US1786636A - Wedge for tool handles - Google Patents

Wedge for tool handles Download PDF

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Publication number
US1786636A
US1786636A US321783A US32178328A US1786636A US 1786636 A US1786636 A US 1786636A US 321783 A US321783 A US 321783A US 32178328 A US32178328 A US 32178328A US 1786636 A US1786636 A US 1786636A
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United States
Prior art keywords
wedge
handle
tool handles
sides
corners
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Expired - Lifetime
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US321783A
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Jacob J Sprunger
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Individual
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Individual
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Priority to US321783A priority Critical patent/US1786636A/en
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Publication of US1786636A publication Critical patent/US1786636A/en
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    • 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
    • B25G3/28—Locking and securing devices comprising wedges, keys, or like expanding means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/40—Clamping arrangements where clamping parts are received in recesses of elements to be connected

Definitions

  • Patented idea 39, 1930 earner caries JACOB J. SPRUNGEB, 015 FORT WAYNE, INDIANA WEDGE FOB TOOL HANDLES Application filed November 26, 1928.
  • Another object is to so form the wedge as to lessen the tendency to become loose and work out of position as is frequently experienced where wedges of the ordinary construction are employed.
  • a further object is to so shape the wedge as to increase the extent of the surface thereof that bears against the surrounding handle substance into which it is driven.
  • FIG. 1' is a perspective View of a hammer head disposed upon a handle secured by a wedge embodying the invention
  • Fig. 2 is a side elevation of a wedge embodying the invention, portion thereof be ing cut away;
  • Fig. 3 is a top view projected 2;
  • Fig. i is a perspective view of the wedge.
  • the invention consists of a wedge 1, one end of which presents a straight sharpened edge 2.
  • the front and back surfaces 3 of the wedge are divergent and extend in corresponding planes from the sharp edge 2 to the top of the wedge.
  • the sides l of the Wedge extend divergently from the sharpened end to the top of the wedge, and the surfaces thereof are concave, and the corners 5 and 6 are sharp, and each of said corners extends divergently with respect to the other corners.
  • a cavity 7 that extends from the top of the wedge to a point spaced from the sharp edge 2 at the bottom end, the cavity being so shaped as to taper from the corresponding edges 5 at the top of the wedge to a point 8 Serial No. 321,783.
  • the wedge is so formed that all of the surfaces exposed by its front and back and its sides are divergent with respect to each other, and the extent of the area of the wedge that contacts w rounding substance when the wedg into the handle is augmented.
  • the wedge or departure from the invention As the chasnis in the vertically inclined faces of the wedge are disposed longitudinally, the wedge is held as it is being driven into the handle, to a course in line with its longitudinal center which enables the operator to drive the Wedge accurately into place. As the substance of the handle extends inte the chasnis, the Wedge is guided thereby during the driv ing operation, and deflection of the Wedge is prevented.
  • ⁇ Vhat I claim is A Wedge having a sharp edge at one end, the :iront, back and sides out said wedge ex tending divergently from said sharp edge and ear. 1 having formed therein a longitndinally disposed chasm, the chasins in the front and back being spaced from said sharp edge and extending laterally at their upper ends to the corresponding sides of the Wedge, and the ehaslns in the sides extending throughout the entire length of the Wedge.

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

Description

Dec. 30, 1930- J. J. SPRUNGER 3 WEDGE FOR TOOL HANDLES Filed Nov. 26, 1928 j ATTORNEY rod 5' W IINVENTOR. BY
Patented idea. 39, 1930 earner caries JACOB J. SPRUNGEB, 015 FORT WAYNE, INDIANA WEDGE FOB TOOL HANDLES Application filed November 26, 1928.
as compared with the ordinary wedge, and
another object is to so form the wedge as to lessen the tendency to become loose and work out of position as is frequently experienced where wedges of the ordinary construction are employed. A further object is to so shape the wedge as to increase the extent of the surface thereof that bears against the surrounding handle substance into which it is driven.
These objects are accomplished by the construction illustrated in the accompanying 'rawings, in which Fig. 1' is a perspective View of a hammer head disposed upon a handle secured by a wedge embodying the invention;
Fig. 2 is a side elevation of a wedge embodying the invention, portion thereof be ing cut away;
Fig. 3 is a top view projected 2; and
Fig. i is a perspective view of the wedge.
The invention consists of a wedge 1, one end of which presents a straight sharpened edge 2. The front and back surfaces 3 of the wedge are divergent and extend in corresponding planes from the sharp edge 2 to the top of the wedge. The sides l of the Wedge extend divergently from the sharpened end to the top of the wedge, and the surfaces thereof are concave, and the corners 5 and 6 are sharp, and each of said corners extends divergently with respect to the other corners. In the front and back of the wedge is made a cavity 7 that extends from the top of the wedge to a point spaced from the sharp edge 2 at the bottom end, the cavity being so shaped as to taper from the corresponding edges 5 at the top of the wedge to a point 8 Serial No. 321,783.
located midway between said edges adjacent the sharp edge 2, there being formed in the front and back of the wedge a corresponding pair of surfaces 9 and 10 that are divergent laterally with respect to each other, the surfaces 9 and 10 on the frontof the wedge being also divergent from the point 8 to the top of the wedge with respect to the corresponding surfaces 9-and 10 on the back of the wedge.
In this manner the wedge is so formed that all of the surfaces exposed by its front and back and its sides are divergent with respect to each other, and the extent of the area of the wedge that contacts w rounding substance when the wedg into the handle is augmented.
in utilizing the inventio ing it e so into the (EEZPOSGCl end of the hand that the inserted end of the handle is expanded tightly in the head and thus firmly se- The divergence the conof less acuteness than the sides of the wedge he corners Sand 6, and the divergence of the surfaces 9 and 10 in the front and back of the wedge being similarly of less acuteness than the wedge the corresponding corners 5 and 6, permits the wedge to enter the handle more readily when driven thereinto, and with less tendency of splitting the handle, than the ordinary wedge, the contacting surfaces of which are divergent with the same acuteness at corners. A further advantage of the wedge in which the present invention is embodied is that the wedge is more firmly held in place because of the acute ess of its concave sides cured therein. cave sides i being and the front and hac 1 surfaces 9 and 10.
the wedge or departure from the invention: As the chasnis in the vertically inclined faces of the wedge are disposed longitudinally, the wedge is held as it is being driven into the handle, to a course in line with its longitudinal center which enables the operator to drive the Wedge accurately into place. As the substance of the handle extends inte the chasnis, the Wedge is guided thereby during the driv ing operation, and deflection of the Wedge is prevented.
\Vhat I claim is A Wedge having a sharp edge at one end, the :iront, back and sides out said wedge ex tending divergently from said sharp edge and ear. 1 having formed therein a longitndinally disposed chasm, the chasins in the front and back being spaced from said sharp edge and extending laterally at their upper ends to the corresponding sides of the Wedge, and the ehaslns in the sides extending throughout the entire length of the Wedge.
In testimony whereof I aiiix my signature.
JACOB J. sPRUNe-nn
US321783A 1928-11-26 1928-11-26 Wedge for tool handles Expired - Lifetime US1786636A (en)

Priority Applications (1)

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US321783A US1786636A (en) 1928-11-26 1928-11-26 Wedge for tool handles

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Application Number Priority Date Filing Date Title
US321783A US1786636A (en) 1928-11-26 1928-11-26 Wedge for tool handles

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US1786636A true US1786636A (en) 1930-12-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455733A (en) * 1946-01-25 1948-12-07 Donald F Christoffer Tool handle wedge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455733A (en) * 1946-01-25 1948-12-07 Donald F Christoffer Tool handle wedge

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