US133908A - Improvement in tool-handles - Google Patents

Improvement in tool-handles Download PDF

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Publication number
US133908A
US133908A US133908DA US133908A US 133908 A US133908 A US 133908A US 133908D A US133908D A US 133908DA US 133908 A US133908 A US 133908A
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United States
Prior art keywords
tool
handles
screw
improvement
jaws
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Expired - Lifetime
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/12—Locking and securing devices
    • B25G3/20—Locking and securing devices comprising clamping or contracting means acting concentrically on the handle or socket
    • B25G3/22—Chucks
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17291—Resilient split socket
    • Y10T279/17299—Threaded cam sleeve

Definitions

  • said screw-clamp and the jaws have always been formed as an entire therefore, consists in a woodenhandle slit atone end to form jaws to receive the tang of the tool, and provided with metallic shields on the I outer surfaces of the slitted end and a conical clamping-screw or thimble running on a screwthread cut on said shields, as will be more particularly set forth.
  • A is the tool-handle, which, as usual, is made of some suitable hard wood. 'A; longitudinal slit, b, is sawed through the center of the handie, as shown, sufficiently far to give the parts thus separated sufficient elasticity and flexibility.
  • the end of the handle A is made conical for a short distance, as shown at c, and said conical part is covered by the plates D D, which have a screw-thread out upon their outer surface to en gage with th e corresponding screwthread on the inner surface of the conical thimble or nut E.
  • the plates D may be made of sheet metal struck to shape in dies, orthey may be cast, as may be found to be most advantageous.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Description

Tool-Handles.
Patented DecJO, i872.v
AM PHOTD-LITHOGHAFHIC CON. K (OSBOHNE S PROCESS.)
UNITED STATES PATENT OFFICE.
SANFORD W. WEATHERHEAD, or NORTHFIELD, MASSACHUSETTS.
- lMPR OVEMENT IN TOOL-HANDLES.
Specification forming part of Letters Patent No. 133,908, dated December 10, 1872.
To all whom it may concern:
Be it known that I, SANFORD W.WEATHER- HEAD, of Northlield,in the county of Franklin and State of Massachusetts, have invented a new and useful Improvement in Tool-Handles; and I do hereby declare the following to be a full,clear, and exact description of the same, reference being had to the accompanying drawing, in which- Figure 1 is a perspective view of my toolhandle; Fig. 2 is a longitudinal section of the same; and Fig. 3 is an end view of the same.
Hitherto when tool-handles have been constructed with jaws to receive and hold the tang of the tool anda conical screw, either internal-or external, to move said jaws toward each other, said screw-clamp and the jaws have always been formed as an entire therefore, consists in a woodenhandle slit atone end to form jaws to receive the tang of the tool, and provided with metallic shields on the I outer surfaces of the slitted end and a conical clamping-screw or thimble running on a screwthread cut on said shields, as will be more particularly set forth.
A is the tool-handle, which, as usual, is made of some suitable hard wood. 'A; longitudinal slit, b, is sawed through the center of the handie, as shown, sufficiently far to give the parts thus separated sufficient elasticity and flexibility. The end of the handle A is made conical for a short distance, as shown at c, and said conical part is covered by the plates D D, which have a screw-thread out upon their outer surface to en gage with th e corresponding screwthread on the inner surface of the conical thimble or nut E. The plates D may be made of sheet metal struck to shape in dies, orthey may be cast, as may be found to be most advantageous. They are'applied to-the surface of the wood and secured thereto by a wire rivet, d, which passes through the jaw'a-nd plate D parallel with 'the slit 1). At the up; per end of the plate D there is also a small flange, e, projecting inward, and said flange is seated in a groove formed for it in the bandle. This flange and groove holds the plate D against movements in the directionof the axis of the handle, and thereby materially relieves the rivet d from strain.
1t is important that the contact of the plates D D and the screw-thimble E should be confined mainly to those parts of said plates midway between the slit edges, and therefore the screw-thread near the edges'of said plates is cut away and the jaws reduced to an elliptical form. This permits the jaws to open and close without being cramped by the screw-thimble.
Having described myinvention, whatI claim 1S .0
The combination of the slitted handle A with the protecting shields or platesD and the conical screw-thimble E.
SANFORD W. WEATHERHEAD.
Witnesses:
L. J. GUNN, G. EDGERTON.
US133908D Improvement in tool-handles Expired - Lifetime US133908A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180001490A1 (en) * 2016-07-01 2018-01-04 Slice, Inc. Precision knife with ring hook
USD1027599S1 (en) 2022-03-16 2024-05-21 Techtronic Cordless Gp Multi-blade utility saw

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180001490A1 (en) * 2016-07-01 2018-01-04 Slice, Inc. Precision knife with ring hook
USD1027599S1 (en) 2022-03-16 2024-05-21 Techtronic Cordless Gp Multi-blade utility saw

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