WO2006134559A1 - Appliance comprising a grip - Google Patents

Appliance comprising a grip Download PDF

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Publication number
WO2006134559A1
WO2006134559A1 PCT/IB2006/051890 IB2006051890W WO2006134559A1 WO 2006134559 A1 WO2006134559 A1 WO 2006134559A1 IB 2006051890 W IB2006051890 W IB 2006051890W WO 2006134559 A1 WO2006134559 A1 WO 2006134559A1
Authority
WO
WIPO (PCT)
Prior art keywords
grip
temperature
appliance
hand
shape
Prior art date
Application number
PCT/IB2006/051890
Other languages
French (fr)
Inventor
Jacob Smid
Original Assignee
Koninklijke Philips Electronics N.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of WO2006134559A1 publication Critical patent/WO2006134559A1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00Details; Accessories
    • A45C13/26Special adaptations of handles
    • A45C13/28Combinations of handles with other devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25GHANDLES FOR HAND IMPLEMENTS
    • B25G1/00Handle constructions
    • B25G1/10Handle constructions characterised by material or shape
    • B25G1/102Handle constructions characterised by material or shape the shape being specially adapted to facilitate handling or improve grip
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16Physical interface with patient
    • A61H2201/1602Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1645Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support contoured to fit the user
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/46Knobs or handles, push-buttons, grips
    • B29L2031/463Grips, handles

Definitions

  • Appliance comprising a grip
  • the invention relates to an appliance comprising a grip.
  • the invention also relates to such a grip and a method of shaping such a grip.
  • appliances comprise a solid grip located at a certain point to provide the user a way to control the appliance.
  • a commonly used grip contains for instance rubber or a rubber- like material.
  • grips made out of materials such as polypropylene, polyamide, polybutylene terephtalate, metal, aluminum, ceramics etc are known. It has been discovered that such known grips do not always provide optimal steering control over the appliance.
  • the appliance according to the invention which is characterized in that the grip comprises a material that is moldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature.
  • the invention is based on the insight that a grip having a solid shape has a single uniform shape that does not always provide optimal steering control over the appliance for any shape of hand and as a result is not optimal for a lot of people. Both the shape and size of the hand of a person are individual. Moreover, some people have a preference to use their right hand to control an appliance and others prefer to use their left hand. Some people are physically challenged and might not be able to optimally use the appliance in case a standard grip is provided.
  • the first temperature is the temperature at which the material starts to soften and becomes moldable by hand force.
  • the grip is taken away from the warm area to cool down. This way the grip solidifies in the desired personal shape.
  • the personal grip will maintain its shape as long as it is kept at a temperature below the first temperature. This temperature is called second temperature; this is the temperature at which the grip is generally used.
  • the grip could be heated using warm air from a hair blower; aiming the hot air stream towards the grip.
  • the grip could be heated via (infrared) radiation or a heat source inside the appliance or any other source of heat.
  • phase change material An example of a material that is moldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature is a phase change material (PCM).
  • Phase change materials are compounds which melt and solidify at certain temperatures
  • Such a material can be wrapped by for instance a flexible blister.
  • the choice of material for the flexible blister and the thickness of the blister should be chosen in such a way that the blister is strong enough to hold the material during use and flexible enough to allow for the grip shape created by the user at the first temperature.
  • the material of the blister should withstand the first temperature and the temperature at which it is exposed as for the grip to reach the first temperature.
  • Such a flexible blister can be made out of for instance a Thermo-Plastic Elastomer (TPE).
  • TPE Thermo-Plastic Elastomer
  • SEBS Styrene-Ethylene-Butylene-Styrene block copolymer
  • a rubber or a rubber like material or poly-propylene can be used.
  • a suitable blister thickness could for instance be ca. 0.5 - ca. 1.5 mm.
  • the thickness of the grip can be selected from a thickness that allows for sufficient moldability at the first temperature.
  • the thickness referred to is the thickness of the material including the thickness of the blister. Depending on the application a thickness between 0.2 and 1.2 may be optimal.
  • the grip has a thickness for instance 0.2-0.3 cm.
  • a thickness of for instance in the range of 0.3-0.6 cm could be beneficial for domestic appliances.
  • domestic appliances can be an iron or a shaver or a kettle.
  • a thickness of 0.8 cm would provide a more optimal steering control.
  • heavy duty machinery like for instance a drilling tool a concrete pavement a thickness of 1.2 cm or more might be beneficial.
  • the grip has a housing or core on which the material is provided.
  • the housing or core material can be any material that can provide a backbone-or foundation- like function.
  • the grip can be produced for instance via injection molding techniques and subsequently be slipped around a core material, like for instance in the case of a grip of a bicycle steering wheel or a computer control stick.
  • the grip could also be fixedly connected to a surface for instance by means of injection molding techniques, welding or gluing or any other suitable technique.
  • a further example could for instance be to click the grip on the appliance.
  • the grip should maintain its shape during handling by the user.
  • the body temperature of a person is generally 37 degrees C. Therefore the first temperature has to be higher than 37 degrees C. It is not desirable that a person will burn his/her hand during shaping of the personal grip. Therefore the first temperature should stay below this burning threshold.
  • Such a burning threshold or a temperature which the user experiences as uncomfortable depend on the person in question but also on the conditions under which the heat is provided.
  • a temperature of 50 degrees C may generally be experiences as uncomfortably hot.
  • a dry heat will allow a higher threshold of 75 degrees C and even higher depending on the moist present in the air.
  • an insulating layer might prevent the second temperature to reach the skin of the user, and as a result a second temperature of over 80 degrees might still be usable
  • the first temperature is higher than 40 degrees C and lower than 75 degrees C.
  • the first temperature is higher than 40 degrees C and lower than 50 degrees C.
  • the user can semi-permanently personalize the shape of the grip at the first temperature; the shape can be maintained for a self-chosen period of time.
  • a shape can be favourable on an appliance.
  • appliances are kettles, shavers, hair trimmers, epilators, irons, toothbrushes, food processors, scissors, tools and utensils.
  • the invention can also be useful for a grip of a handle bar or a wheel of for example a bike or a motor or a scooter.
  • a personalised computer control like a stick or a mouse could also benefit from the invention. This is a non limiting list of examples, a person skilled in the art can apply such a grip on any other appliance where the user can benefit of an improved control over the appliance by means of improved grip.
  • the user can semi-permanently personalise the shape of the grip. This can be performed as often as the user wants. As a result different users can reshape the grip of the appliance according to their hand. This way the grip of the appliance can fit personally to persons with any size of hands, left handed people, right handed people and for instance people with physical challenges.
  • a single appliance can be personalised for multiple users.
  • the grip in accordance with the invention is characterized in that the grip comprises a material that is mouldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature.
  • Figure 1 schematically shows a shaving apparatus according to the invention.
  • Figure 2 show a cross-sectional view taken on the line A-A in Figure 1.
  • Figure 3 schematically shows an iron according to the invention.
  • Figure 4 show a cross-sectional view taken on the line B-B in Figure 3.
  • Figure 5 show a cross-sectional view taken on the line B-B in Figure 3 of an alternative embodiment.
  • Figure 6 schematically shows a computer control stick according to the invention.
  • the shaving apparatus 1.1 has a housing 1.3 that comprises a grip 1.5.
  • the grip comprises a flexible blister 1.7 containing the phase change material 1.9.
  • the flexible blister 1.7 is connected to the housing 1.3.
  • phase change materials examples include ClimSelTM C 48 or ClimSelTM C 58 supplied by Climator AG, Sweden.
  • a (paraffin) wax could be used or for instance micro encapsulated wax balls.
  • the iron 100.1 shown in figure 3 comprises a grip 100.5.
  • the grip 100.5 comprises a flexible blister 100.7.
  • this blister contains a phase change material 100.9.
  • the flexible blister 100.7 is wrapped around and connected to a solid core 100.11. (see figure 4)
  • the flexible blister 100.7 can comprise two walls: an inside wall 100.7a and an outside wall 100.7b.
  • FIG 6 diagrammatically shows a computer control stick 200.1.
  • the computer control stick 200.1 comprises a grip 200.5.
  • the grip 200.1 comprises a flexible blister 200.7, which is wrapped around a solid core 200.11.
  • the flexible blister 200.7 contains a phase change material 200.9.

Abstract

The invention relates to an appliance comprising a grip (1.5). The invention also relates to such a grip and a method of shaping a grip. The grip comprises a material (1.9) that is moldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature. The first temperature is the temperature at which the material starts to melt and becomes moldable by hand force. By keeping the grip in a warm location, for instance under a warm tap, the material becomes moldable and the person can apply a hand force to the grip and thus shape it to his/her own hand. After shaping at the first temperature, the grip is taken away from the warm area to cool down. This way the grip solidifies in the desired personal shape. The personal grip will maintain its shape as long as it is kept at a temperature below the first temperature.

Description

Appliance comprising a grip
The invention relates to an appliance comprising a grip. The invention also relates to such a grip and a method of shaping such a grip.
Generally available appliances comprise a solid grip located at a certain point to provide the user a way to control the appliance. A commonly used grip contains for instance rubber or a rubber- like material. But also grips made out of materials such as polypropylene, polyamide, polybutylene terephtalate, metal, aluminum, ceramics etc are known. It has been discovered that such known grips do not always provide optimal steering control over the appliance.
It is an object of the invention to better fit a persons hand to an appliance and if applicable improve the control of the user over the appliance.
This objective is achieved with the appliance according to the invention which is characterized in that the grip comprises a material that is moldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature. The invention is based on the insight that a grip having a solid shape has a single uniform shape that does not always provide optimal steering control over the appliance for any shape of hand and as a result is not optimal for a lot of people. Both the shape and size of the hand of a person are individual. Moreover, some people have a preference to use their right hand to control an appliance and others prefer to use their left hand. Some people are physically challenged and might not be able to optimally use the appliance in case a standard grip is provided.
The first temperature is the temperature at which the material starts to soften and becomes moldable by hand force. By keeping the grip in a warm location, for instance under a warm tap, the material becomes moldable and the person can apply a hand force to the grip and thus shape it to his/her own hand. After shaping at the first temperature, the grip is taken away from the warm area to cool down. This way the grip solidifies in the desired personal shape. The personal grip will maintain its shape as long as it is kept at a temperature below the first temperature. This temperature is called second temperature; this is the temperature at which the grip is generally used.
Alternatively the grip could be heated using warm air from a hair blower; aiming the hot air stream towards the grip. Furthermore the grip could be heated via (infrared) radiation or a heat source inside the appliance or any other source of heat.
An example of a material that is moldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature is a phase change material (PCM). Phase change materials are compounds which melt and solidify at certain temperatures
Such a material can be wrapped by for instance a flexible blister.
The choice of material for the flexible blister and the thickness of the blister should be chosen in such a way that the blister is strong enough to hold the material during use and flexible enough to allow for the grip shape created by the user at the first temperature. The material of the blister should withstand the first temperature and the temperature at which it is exposed as for the grip to reach the first temperature. Such a flexible blister can be made out of for instance a Thermo-Plastic Elastomer (TPE). An example of a TPE is Styrene-Ethylene-Butylene-Styrene block copolymer (SEBS).
Alternatively a rubber or a rubber like material or poly-propylene can be used. A suitable blister thickness could for instance be ca. 0.5 - ca. 1.5 mm.
In the grip design according to the invention, the thickness of the grip can be selected from a thickness that allows for sufficient moldability at the first temperature. The thickness referred to is the thickness of the material including the thickness of the blister. Depending on the application a thickness between 0.2 and 1.2 may be optimal.
An adult's hand is larger than a child's hand. Children usually has less muscle power in their hands. It can therefore be more optimal that for an appliance typically used by children, the grip has a thickness for instance 0.2-0.3 cm. A thickness of for instance in the range of 0.3-0.6 cm could be beneficial for domestic appliances. Examples of domestic appliances can be an iron or a shaver or a kettle. For a grip on a steering wheel a thickness of 0.8 cm would provide a more optimal steering control. For heavy duty machinery like for instance a drilling tool a concrete pavement a thickness of 1.2 cm or more might be beneficial. In general the grip has a housing or core on which the material is provided. The housing or core material can be any material that can provide a backbone-or foundation- like function.
The grip can be produced for instance via injection molding techniques and subsequently be slipped around a core material, like for instance in the case of a grip of a bicycle steering wheel or a computer control stick. The grip could also be fixedly connected to a surface for instance by means of injection molding techniques, welding or gluing or any other suitable technique. A further example could for instance be to click the grip on the appliance. The grip should maintain its shape during handling by the user. The body temperature of a person is generally 37 degrees C. Therefore the first temperature has to be higher than 37 degrees C. It is not desirable that a person will burn his/her hand during shaping of the personal grip. Therefore the first temperature should stay below this burning threshold. Such a burning threshold or a temperature which the user experiences as uncomfortable depend on the person in question but also on the conditions under which the heat is provided.
For a wet heat, such as in water or under a running tap, a temperature of 50 degrees C may generally be experiences as uncomfortably hot. A dry heat will allow a higher threshold of 75 degrees C and even higher depending on the moist present in the air.
Furthermore in case the heat is supplied from within the core of the grip, an insulating layer might prevent the second temperature to reach the skin of the user, and as a result a second temperature of over 80 degrees might still be usable
In an embodiment the first temperature is higher than 40 degrees C and lower than 75 degrees C.
In another embodiment the first temperature is higher than 40 degrees C and lower than 50 degrees C.
The user can semi-permanently personalize the shape of the grip at the first temperature; the shape can be maintained for a self-chosen period of time. Such a shape can be favourable on an appliance. Examples of appliances are kettles, shavers, hair trimmers, epilators, irons, toothbrushes, food processors, scissors, tools and utensils. The invention can also be useful for a grip of a handle bar or a wheel of for example a bike or a motor or a scooter. A personalised computer control like a stick or a mouse could also benefit from the invention. This is a non limiting list of examples, a person skilled in the art can apply such a grip on any other appliance where the user can benefit of an improved control over the appliance by means of improved grip.
The user can semi-permanently personalise the shape of the grip. This can be performed as often as the user wants. As a result different users can reshape the grip of the appliance according to their hand. This way the grip of the appliance can fit personally to persons with any size of hands, left handed people, right handed people and for instance people with physical challenges. A single appliance can be personalised for multiple users.
The grip in accordance with the invention is characterized in that the grip comprises a material that is mouldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature.
With reference to the claims it is further noticed that the invention also refers to all possible combinations of features as described in the claims.
An example of the invention will now be described with reference to the accompanying drawings, in which:
Figure 1 schematically shows a shaving apparatus according to the invention.
Figure 2 show a cross-sectional view taken on the line A-A in Figure 1. Figure 3 schematically shows an iron according to the invention.
Figure 4 show a cross-sectional view taken on the line B-B in Figure 3.
Figure 5 show a cross-sectional view taken on the line B-B in Figure 3 of an alternative embodiment.
Figure 6 schematically shows a computer control stick according to the invention.
Referring now to figure 1 and 2, the shaving apparatus 1.1 has a housing 1.3 that comprises a grip 1.5. According to the invention the grip comprises a flexible blister 1.7 containing the phase change material 1.9. The flexible blister 1.7 is connected to the housing 1.3. By keeping the shaving apparatus 1.1 in a warm location, for instance under a warm tap, the phase change material 1.9 becomes moldable and the user can apply a hand force to the grip and thus shape it to his/her own hand. After shaping at the first temperature, the grip is taken away from the warm area to cool down. This way the grip solidifies in the desired personal shape. The personal grip will maintain its shape as long as it is kept at a temperature below the first temperature. This temperature is called second temperature; this is the temperature at which the grip is generally used.
Examples of phase change materials according to the invention are ClimSel™ C 48 or ClimSel™ C 58 supplied by Climator AG, Sweden. Alternatively a (paraffin) wax could be used or for instance micro encapsulated wax balls.
The iron 100.1 shown in figure 3 comprises a grip 100.5. The grip 100.5 comprises a flexible blister 100.7. As shown in figure 4 this blister contains a phase change material 100.9. The flexible blister 100.7 is wrapped around and connected to a solid core 100.11. (see figure 4)
In Figure 5 it is diagrammatically shown that the flexible blister 100.7 can comprise two walls: an inside wall 100.7a and an outside wall 100.7b.
Figure 6 diagrammatically shows a computer control stick 200.1. The computer control stick 200.1 comprises a grip 200.5. The grip 200.1 comprises a flexible blister 200.7, which is wrapped around a solid core 200.11. The flexible blister 200.7 contains a phase change material 200.9.

Claims

CLAIMS:
1. Appliance comprising a grip, characterized in that the grip comprises a material that is moldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature.
2. Appliance as claimed in claim 1, characterized in that the material is chosen such that the first temperature is between 40-75 degrees Celsius.
3. Appliance as claimed in claim 2, characterized in that the first temperature is between 40-50 degrees Celsius.
4. Appliance as claimed in any one of the claims 1 to 3, characterized in that the appliance is a hand held appliance
5. An appliance as claimed in any one of the claims 1 to 4, characterized in that the grip has a thickness chosen between 0.2 and 1.2 cm.
6. An appliance as claimed in claim 5, characterized in that the grip has a thickness between 0.3 and 0.7 cm.
7. An appliance as claimed in any one of the claims 1 to 6, characterized in that the material is a phase change material.
8. An appliance as claimed in any one of the claims 1 to 6, characterized in that the material is a wax or wax in the form of micro encapsulated wax pellets.
9. An appliance as claimed in claim 1, characterized in that the appliance is a shaver, a hair trimmer, an epilator or an iron.
10. A grip suitable for an appliance, characterized in that the grip comprises a material that is moldable at a first temperature by means of applying a hand force and is solid at a second temperature lower than the first temperature.
11. A method of shaping a grip, characterized in that the grip comprises a material that is moldable at a first temperature and is solid at a second temperature lower than the first temperature, which method has the following steps: the grip is heated to the first temperature, the user applies a hand force to the grip and shapes the grip to his/her own hand, the grip is cooled down to the second temperature and thus solidifies in the desired personal shape.
PCT/IB2006/051890 2005-06-15 2006-06-13 Appliance comprising a grip WO2006134559A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05105271.0 2005-06-15
EP05105271 2005-06-15

Publications (1)

Publication Number Publication Date
WO2006134559A1 true WO2006134559A1 (en) 2006-12-21

Family

ID=37087780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/051890 WO2006134559A1 (en) 2005-06-15 2006-06-13 Appliance comprising a grip

Country Status (1)

Country Link
WO (1) WO2006134559A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477169A (en) * 2010-01-21 2011-07-27 Stewart Sean Lewis Hand tool aid

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785495A (en) * 1987-08-17 1988-11-22 Dellis Edward A Moldable hand grips
US4934024A (en) * 1987-05-19 1990-06-19 Debra A. Sullivan Thermoplastic grip and method for making same
DE4209315A1 (en) * 1992-03-23 1992-10-15 Grabosch Reinhold Customisable thermoplastic grips for sports equipment - made of heat deformable plastic having memory properties, heated before use so that it conforms to the grip of the player as it cools during play
US5155878A (en) * 1991-04-15 1992-10-20 Dellis Edward A Moldable hand grip
US5548848A (en) * 1992-12-18 1996-08-27 Robert Huybrechts Mouldable composition and method of making it
WO2000032715A1 (en) * 1998-12-03 2000-06-08 Bic Corporation Customized grip using a thermoreversible gel composition
US6328494B1 (en) * 1999-08-19 2001-12-11 Pengineering, Llc Ergonomic tool holder or writing tool with means to be molded to fit the user's hand
WO2003037448A1 (en) * 2001-10-30 2003-05-08 Jeffrey Tocci Moldable golf club grip and method of manufacturing the same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934024A (en) * 1987-05-19 1990-06-19 Debra A. Sullivan Thermoplastic grip and method for making same
US4785495A (en) * 1987-08-17 1988-11-22 Dellis Edward A Moldable hand grips
US5155878A (en) * 1991-04-15 1992-10-20 Dellis Edward A Moldable hand grip
DE4209315A1 (en) * 1992-03-23 1992-10-15 Grabosch Reinhold Customisable thermoplastic grips for sports equipment - made of heat deformable plastic having memory properties, heated before use so that it conforms to the grip of the player as it cools during play
US5548848A (en) * 1992-12-18 1996-08-27 Robert Huybrechts Mouldable composition and method of making it
WO2000032715A1 (en) * 1998-12-03 2000-06-08 Bic Corporation Customized grip using a thermoreversible gel composition
US6328494B1 (en) * 1999-08-19 2001-12-11 Pengineering, Llc Ergonomic tool holder or writing tool with means to be molded to fit the user's hand
WO2003037448A1 (en) * 2001-10-30 2003-05-08 Jeffrey Tocci Moldable golf club grip and method of manufacturing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477169A (en) * 2010-01-21 2011-07-27 Stewart Sean Lewis Hand tool aid
GB2477169B (en) * 2010-01-21 2014-12-10 Stewart Sean Lewis Hand tool aid with resistant members

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