Cylindrical wedge

Details Cylindrical wedge Cylindrical wedge

1982-01-25

1985-03-19

Bilinsky, Z. R.

Bridges

145 36, 145 61R, 279 9R, 403248, 403251, B25D 100

Patent

active

045053138

ABSTRACT:
A cylindrical wedge for holding a tool head on a wooden tool handle has a tapered exterior surface and a central bore containing a throat section that is dimensionally smaller than the openings at either end of the bore. When the wedge is embedded in a wooden handle, the tapered exterior surface spreads the handle within the eye of the tool, and the throat section grips the handle core to hold the wedge securely in the handle.

REFERENCES:
patent: 487778 (1892-12-01), Sanders
patent: 879382 (1908-02-01), Harris
patent: 1399172 (1921-12-01), Vaughan
patent: 1932239 (1933-10-01), Berry
patent: 2187651 (1940-01-01), Jackson
patent: 2214666 (1940-09-01), Elf et al.
patent: 2846277 (1958-08-01), Marsh
American Machinist, McGraw-Hill Book Co., "Shop Tools, Appliances and Expedients", Sep. 6, 1917.

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