US470777A - Pocket-knife - Google Patents

Pocket-knife Download PDF

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Publication number
US470777A
US470777A US470777DA US470777A US 470777 A US470777 A US 470777A US 470777D A US470777D A US 470777DA US 470777 A US470777 A US 470777A
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United States
Prior art keywords
knife
handle
bolt
blade
slot
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Expired - Lifetime
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B5/00Hand knives with one or more detachable blades
    • B26B5/001Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32254Lockable at fixed position
    • Y10T403/32426Plural distinct positions
    • Y10T403/32442At least one discrete position
    • Y10T403/32451Step-by-step adjustment
    • Y10T403/32459Retainer extends through aligned recesses

Definitions

  • This invention relates to that class of pocket-knives having hollow handles and sliding blades arranged to be slid into the handle when the knife is not in use, the object being to furnish a knife of that class which shall be strong and reliable in construction and operation with effective blade-locking means.
  • Figure l is a side view of my improved pocket-knife with the blade retracted.
  • Fig. 2 is a plan view of the knife with the blade extended in working position.
  • Fig. 3 is a sectional side elevation showing the manner of and means for locking the blade in Working position.
  • Fig. 4 is a view similar to Fig. 3, showing the blade retracted within the handle, as in Fig. l.
  • Fig. 5 is a cross-sectional view in line a cvf'Fig. l.
  • Fig. 6 is a view similar in part to Fig. 5 and illustrates a modified cross-sectional form of the blade-shank and handle.
  • the handle of my improved pocket-knife consists of a tube II, fitted internally to receive the shank S of the sliding knife-blade K.
  • Said tube is of uniform internal size throughout its length and is shown of uniform thickness throughout its length; but the external form may obviously be modified independently of the internal form of the tube.
  • the handle H is constructed with lock-bolt sockets, which in their preferred form consist in transverse perforations at the opposite ends of said handle.
  • the handle has formed therein the holes 2 2 and 3 3 to receive the lockbolt. On one side of the handle this is slotted at 4 between said perforations 2 and 3.
  • the width of the slot 4 as shown in Fig.
  • the slot 4 may not be widened at its ends to form the so-called perforations 2 and 3, in which case the perforations 2 and 3 i may be described as located in the handle opposite the ends of the slot 4, as will be understood by comparison of the figures of the drawings.
  • the shank S of the sliding knife-blade K is bored transversely thereto to receive the lockbolt B and the bolt-actuating springs 6.
  • the stem 5 of said bolt extends throughvthe upper side of the handle and is furnished with the head or thumb-piece T, whereby said bolt may be retracted.
  • the hub 7 of said head T is shown forming a lock-pin, which engages in the perforations and 3, while the larger lower end of said bolt simultaneously engages the corresponding openings 2 and 3 in the lower side of the handle, as will be understood, for instance, from Figs. 3 and 4.
  • the bolt B is therefore a draw-bolt having a boltactuating head, whereby it may be Withdrawn from engagement with that side of the handle which is opposite to the slot.
  • the lock-bolt is Iirst drawn to the height represent-ed by the dotted line at e, Fig. 3, so that it is disengaged from the handle, when the blade may be slid either from the position thereof shown in Fig. 4 to that shown in Fig. 3, or vice versa, as the case may be.
  • the bolt B when the blade has been shifted from one position to the other, being released is thrown into engagement with the handle by means of the spring 6, as shown in Figs. 3 and 5.
  • the blade-shank is shown provided with a suitable eye, as 9, to which a cord may be attached for suspending the knife from a belt or otherwise, as may be required.
  • the holes 2 and 3 are in a sense enlargements of the ends of the slot 4. In some cases these enlargements may be omitted, in which case the blade K will be locked in place only by the lower end of the bolt B engaging in the sockets 2 and 3 the bolt being actuated and retracted as before.
  • Figs. l and 2 the handle is shown knurled externally throughout nearly the whole of its length, so as to enable the user to firmly grasp the same.
  • the head or button T of the lock-bolt being located at the back of the knife-blade, natu- IOC) rally the user, if hitting said head at all when using the knife, will bear down thereon, thus dentally unlocked.

Description

(No Model.)
C. E. BILLINGS.
POCKET KNIFE.
Patented Mar. l5, 1892.
Z Q7/MW me mums versus t0., mvmn'uo.. wnsmucmw, nA e.A
' llNrrn yTATES ATENT OFFICE.
CHARLES E. BILLINGS, OF HARTFORD, CONNECTICUT.
POCKET-KNIFE.
SPECIFICATION forming part of Letters Patent N0. 470,777, dated March 15, 1892.
i Application led December 18, 1891. Serial No. 415,451. (No model.)
-To @ZZ whom it may concern.-
Be it known that I, CHARLES E. BILLINGS, a citizen of the United States, residing at Hartford, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Pocket-Knives, of which the following is a specification.
This invention relates to that class of pocket-knives having hollow handles and sliding blades arranged to be slid into the handle when the knife is not in use, the object being to furnish a knife of that class which shall be strong and reliable in construction and operation with effective blade-locking means.
In the drawings accompanying and forming a part of this specification, Figure l is a side view of my improved pocket-knife with the blade retracted. Fig. 2 is a plan view of the knife with the blade extended in working position. Fig. 3 is a sectional side elevation showing the manner of and means for locking the blade in Working position. Fig. 4 is a view similar to Fig. 3, showing the blade retracted within the handle, as in Fig. l. Fig. 5 is a cross-sectional view in line a cvf'Fig. l. Fig. 6 is a view similar in part to Fig. 5 and illustrates a modified cross-sectional form of the blade-shank and handle.
Similar characters designate like parts in all the figures.
Referring to Figs. l to 5, inclusive, the handle of my improved pocket-knife consists of a tube II, fitted internally to receive the shank S of the sliding knife-blade K. Said tube is of uniform internal size throughout its length and is shown of uniform thickness throughout its length; but the external form may obviously be modified independently of the internal form of the tube. The handle H is constructed with lock-bolt sockets, which in their preferred form consist in transverse perforations at the opposite ends of said handle. For this purpose the handle has formed therein the holes 2 2 and 3 3 to receive the lockbolt. On one side of the handle this is slotted at 4 between said perforations 2 and 3. The width of the slot 4, as shown in Fig. 2, is equal to or slightly greatei than the thickness of the stem 5 of the lock-bolt. In some cases the slot 4 may not be widened at its ends to form the so-called perforations 2 and 3, in which case the perforations 2 and 3 i may be described as located in the handle opposite the ends of the slot 4, as will be understood by comparison of the figures of the drawings.
The shank S of the sliding knife-blade K is bored transversely thereto to receive the lockbolt B and the bolt-actuating springs 6. The stem 5 of said bolt extends throughvthe upper side of the handle and is furnished with the head or thumb-piece T, whereby said bolt may be retracted. The hub 7 of said head T is shown forming a lock-pin, which engages in the perforations and 3, while the larger lower end of said bolt simultaneously engages the corresponding openings 2 and 3 in the lower side of the handle, as will be understood, for instance, from Figs. 3 and 4. The bolt B is therefore a draw-bolt having a boltactuating head, whereby it may be Withdrawn from engagement with that side of the handle which is opposite to the slot.
In using the knife the lock-bolt is Iirst drawn to the height represent-ed by the dotted line at e, Fig. 3, so that it is disengaged from the handle, when the blade may be slid either from the position thereof shown in Fig. 4 to that shown in Fig. 3, or vice versa, as the case may be. The bolt B, when the blade has been shifted from one position to the other, being released is thrown into engagement with the handle by means of the spring 6, as shown in Figs. 3 and 5.
The blade-shank is shown provided with a suitable eye, as 9, to which a cord may be attached for suspending the knife from a belt or otherwise, as may be required.
It will be observed that the holes 2 and 3 are in a sense enlargements of the ends of the slot 4. In some cases these enlargements may be omitted, in which case the blade K will be locked in place only by the lower end of the bolt B engaging in the sockets 2 and 3 the bolt being actuated and retracted as before.
In Figs. l and 2 the handle is shown knurled externally throughout nearly the whole of its length, so as to enable the user to firmly grasp the same.
The head or button T of the lock-bolt being located at the back of the knife-blade, natu- IOC) rally the user, if hitting said head at all when using the knife, will bear down thereon, thus dentally unlocked.
substantially as described, carried in the bore of the blade-shank and adapted to engage in the perforations opposite said slot, the spring carried with the knife-shank for actuating the bolt, and means for retracting the lockbolt, substantially as described.
2. In a knife, the combination, with the tubular handle having the opposite lock-bolt sockets 2 2 and 3 3 and the slot 4, of the sliding blade bored snbstantiall y as described,
the lock-bolt carried by said blade and fitted to engage in the perforations 2 and 3 and having its stem adapted lo pass through said slot, and the head on the lock-bolt, adapted to engage in the perforations 2 and 8, whereby the blade-shank is locked to the handle on both-the upper and lower sides thereof, substantially as described.
3. In a knife, the combination, witha tubnlar handle having in one side thereof a slot and in the other side thereof perforations opposite the ends of said slot, of the sliding blade having its shank bored transversely, and a draw-bolt carried in said shank-bore y and adapted to engage said perforations, said bolt being extended through the slot and provided with means whereby it` may be Withdrawn from engagement with the handle, substantially as described.
CHARLES E. BILLINGS. lVitnesscs:
FRANCIS Il. RICHARDS, Il. MALLNER.
US470777D Pocket-knife Expired - Lifetime US470777A (en)

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428864A (en) * 1945-07-05 1947-10-14 Charles R Boyd Magnet
US2455600A (en) * 1945-12-21 1948-12-07 Matthew J Molumby Pocket prophylaxis dental unit
US2601402A (en) * 1947-12-12 1952-06-24 Autopoint Co Sliding blade knife
US2640260A (en) * 1948-04-30 1953-06-02 Clarence E Taylor Retractable pocket knife
US2675989A (en) * 1951-05-31 1954-04-20 Nevaclog Products Inc Retractable staple extractor
US2735176A (en) * 1956-02-21 Veterinary surgical knife
US2885780A (en) * 1957-12-03 1959-05-12 Floyd A Campbell Marking tool
US2904884A (en) * 1958-03-05 1959-09-22 Wendell E Baum Blade holding device
US3045788A (en) * 1959-02-10 1962-07-24 Cederholm Carl Ingve Bayonet reel
US3137157A (en) * 1962-09-06 1964-06-16 Ralton Theodore Key holder
US4404747A (en) * 1981-07-29 1983-09-20 Schur, Inc. Knife and sheath assembly
US4443963A (en) * 1979-11-26 1984-04-24 Braaten Donald L Fishing rod
US4669692A (en) * 1984-03-26 1987-06-02 Mastrodicasa Arthur R Adjustable bracket assembly for supporting a shelf
US5222951A (en) * 1992-04-13 1993-06-29 Leonard Bloom Guarded skin hook for surgical use
US5305880A (en) * 1992-07-23 1994-04-26 Wilk Marilyn M Retractable tool assembly
US5307930A (en) * 1992-07-23 1994-05-03 Wilk Marilyn M Tool assembly
US5453043A (en) * 1994-04-04 1995-09-26 Monson; Keith W. Pelvic splitter device and method of use thereof
WO1996010364A1 (en) * 1992-04-13 1996-04-11 Bloom, Leonard Guarded skin hook for surgical purposes and method thereof
US5571214A (en) * 1995-07-12 1996-11-05 Niziol; Edward Prosthesis for human forearm
US20060070502A1 (en) * 2004-10-01 2006-04-06 Phipps Lenvill C Hunting knife and method of use
US20070193700A1 (en) * 2005-08-26 2007-08-23 Dometic Corporation Awning assemblies
US7325312B1 (en) 2006-12-08 2008-02-05 Blackhawk Industries Product Group Unlimited Llc Folding knife with pivoting blade and guard
US20080313911A1 (en) * 2004-10-01 2008-12-25 Phipps Lenvill C Hunting Knife
US20140101943A1 (en) * 2012-10-17 2014-04-17 Jitung Chu Retractable knife with a multistage positioning function
US9676105B2 (en) 2012-05-15 2017-06-13 Richard Wayne McChesney Systems, devices, and/or methods for managing an assisted opening retractable knife

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735176A (en) * 1956-02-21 Veterinary surgical knife
US2428864A (en) * 1945-07-05 1947-10-14 Charles R Boyd Magnet
US2455600A (en) * 1945-12-21 1948-12-07 Matthew J Molumby Pocket prophylaxis dental unit
US2601402A (en) * 1947-12-12 1952-06-24 Autopoint Co Sliding blade knife
US2640260A (en) * 1948-04-30 1953-06-02 Clarence E Taylor Retractable pocket knife
US2675989A (en) * 1951-05-31 1954-04-20 Nevaclog Products Inc Retractable staple extractor
US2885780A (en) * 1957-12-03 1959-05-12 Floyd A Campbell Marking tool
US2904884A (en) * 1958-03-05 1959-09-22 Wendell E Baum Blade holding device
US3045788A (en) * 1959-02-10 1962-07-24 Cederholm Carl Ingve Bayonet reel
US3137157A (en) * 1962-09-06 1964-06-16 Ralton Theodore Key holder
US4443963A (en) * 1979-11-26 1984-04-24 Braaten Donald L Fishing rod
US4404747A (en) * 1981-07-29 1983-09-20 Schur, Inc. Knife and sheath assembly
US4669692A (en) * 1984-03-26 1987-06-02 Mastrodicasa Arthur R Adjustable bracket assembly for supporting a shelf
WO1993020755A1 (en) * 1992-04-13 1993-10-28 Bloom, Leonard Guarded skin hook for surgical use
US5222951A (en) * 1992-04-13 1993-06-29 Leonard Bloom Guarded skin hook for surgical use
US5352220A (en) * 1992-04-13 1994-10-04 Leonard Bloom Guarded skin hook for surgical purposes and method thereof
WO1996010364A1 (en) * 1992-04-13 1996-04-11 Bloom, Leonard Guarded skin hook for surgical purposes and method thereof
US5305880A (en) * 1992-07-23 1994-04-26 Wilk Marilyn M Retractable tool assembly
US5307930A (en) * 1992-07-23 1994-05-03 Wilk Marilyn M Tool assembly
US5453043A (en) * 1994-04-04 1995-09-26 Monson; Keith W. Pelvic splitter device and method of use thereof
US5571214A (en) * 1995-07-12 1996-11-05 Niziol; Edward Prosthesis for human forearm
WO1997002792A1 (en) * 1995-07-12 1997-01-30 Edward Niziol Improved prosthesis for human forearm
US20060070502A1 (en) * 2004-10-01 2006-04-06 Phipps Lenvill C Hunting knife and method of use
US20080313911A1 (en) * 2004-10-01 2008-12-25 Phipps Lenvill C Hunting Knife
US20070193700A1 (en) * 2005-08-26 2007-08-23 Dometic Corporation Awning assemblies
US8316910B2 (en) * 2005-08-26 2012-11-27 Dometic Llc Awning assemblies
US7325312B1 (en) 2006-12-08 2008-02-05 Blackhawk Industries Product Group Unlimited Llc Folding knife with pivoting blade and guard
US9676105B2 (en) 2012-05-15 2017-06-13 Richard Wayne McChesney Systems, devices, and/or methods for managing an assisted opening retractable knife
US20140101943A1 (en) * 2012-10-17 2014-04-17 Jitung Chu Retractable knife with a multistage positioning function

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