US151818A - Improvement in hand-saws - Google Patents

Improvement in hand-saws Download PDF

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US151818A
US151818A US151818DA US151818A US 151818 A US151818 A US 151818A US 151818D A US151818D A US 151818DA US 151818 A US151818 A US 151818A
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hand
saws
improvement
standard
segment
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
    • B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
    • B23D49/14—Pad saws

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  • the object of my invention is to so adjust the blade of a hand-saw that it can be used to out on a curved line; and this object I attain in the manner illustrated in the side view, Figure 1, and plan View, Fig. 2, of the accompanying drawing, in which- Arepresents an ordinary hand-saw, to which is secured a frame, composed of a bar, B, attached to the handle, as shown, a segment or bow, D, attached to the outer end ofthe bar, and diagonal stays ee, for connecting the ends of the segments to the bar.
  • the outer end of the sawblade is connected by a pin, a, to the standard Gr, the latter being recessed to receive the segment D, along which the standard can be moved to anydesired position, and to which it can be secured by a set-screw j', after adjustment.
  • the blade may be curved in any direction, Mand may be retained by the set-screwf on the with the curve of' the blade.
  • Two adjustable stops, d d are adapted to the segment, one on each side of the bar B, for determining the limit of the movement of the standard G, and the extent ofthe curve of the blade, and the segment may be so graduated that by the adjustment of these stops in respect to the graduations, the blade may be bent to any predetermined curve.
  • the frame composed of the bar B, segment D and its stays e e, in combination with the adjustable standard Gr, thewhole being adapted to a hand-saw, as and for the purpose set forth.

Description

E. ABRAMS.
HandSaws.
NOA-[51,818` Patentedlune9,1874.
UNITED STATES PATENT OEEICE GEORGE ABRAMS, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO HENRY DISSTON & SONS, OF SAME PLACE.
IMPROVEMENT IN HAND-SAWS.
` Specification forming part of Letters Patent No. l5 [,818, dated June 9, 1574; application tiled May 18, 1874.
To all whom it may concern:
Be it known that I, GEORGE AERAMS, of Philadelphia, Pennsylvania, have invented an Improvement in Hand-Saws, of which the following is a specifica-tion:
The object of my invention is to so adjust the blade of a hand-saw that it can be used to out on a curved line; and this object I attain in the manner illustrated in the side view, Figure 1, and plan View, Fig. 2, of the accompanying drawing, in which- Arepresents an ordinary hand-saw, to which is secured a frame, composed of a bar, B, attached to the handle, as shown, a segment or bow, D, attached to the outer end ofthe bar, and diagonal stays ee, for connecting the ends of the segments to the bar. The outer end of the sawblade is connected bya pin, a, to the standard Gr, the latter being recessed to receive the segment D, along which the standard can be moved to anydesired position, and to which it can be secured by a set-screw j', after adjustment. By means of this adjustable standard the blade may be curved in any direction, Mand may be retained by the set-screwf on the with the curve of' the blade.
said standard Gr, in the condition to which it has been bent, so that the saw can be used for cutting objects on a curved line coinciding Two adjustable stops, d d, are adapted to the segment, one on each side of the bar B, for determining the limit of the movement of the standard G, and the extent ofthe curve of the blade, and the segment may be so graduated that by the adjustment of these stops in respect to the graduations, the blade may be bent to any predetermined curve.
I claim as my invention- The frame composed of the bar B, segment D and its stays e e, in combination with the adjustable standard Gr, thewhole being adapted to a hand-saw, as and for the purpose set forth.
In testimony whereof I have signed my name to this specification in the'presence ot' two subscribing witnesses. y
GEORGE ABRAMS.
Witnesses WM. H. WRIGHT, E. B. LONG.
US151818D Improvement in hand-saws Expired - Lifetime US151818A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040097839A1 (en) * 2002-07-03 2004-05-20 Epley Research, L.L.C. Head-stabilized medical apparatus, system and methodology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040097839A1 (en) * 2002-07-03 2004-05-20 Epley Research, L.L.C. Head-stabilized medical apparatus, system and methodology
US20100268125A9 (en) * 2002-07-03 2010-10-21 Epley Research, L.L.C. Head-stabilized medical apparatus, system and methodology

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