Hand tool, especially a gardening, farm, cleaning, or like imple

Details Hand tool, especially a gardening, farm, cleaning, or like imple Hand tool, especially a gardening, farm, cleaning, or like imple

1988-06-30

1990-06-05

Reese, Randolph A.

Joints and connections

Biased catch or latch

Pivoted

172371, 403361, 403374, 403316, B25G 318, F16B 202, F16D 106

Patent

active

049309331

ABSTRACT:
An attaching socket of a working implement fits a tool shaft and has an exterior clamping device with a clamping piece, which with the clamping device in a closed condition engages in the tool shaft through an opening in a wall of the attaching socket. The clamping piece is mounted on a clamping lever which is mounted pivotable exteriorly on the attaching socket about a pivot axis extending substantially perpendicular to the sleeve axis and extends from that pivot axis substantially further than the length of the clamping piece. This clamping piece together with the clamping lever form a bent lever. The clamping lever is pivoted in against the tool shaft in the closed condition of the clamping device, while it is swung out in the open condition far enough from it so that the clamping piece is out of engagement with the tool shaft. With the clamping device closed the end of the tool shaft is braced by the clamping piece axially against a backstop formed by and in the attaching socket.

REFERENCES:
patent: 1634422 (1927-07-01), Holmes
patent: 4029279 (1977-06-01), Nakatani
patent: 4596484 (1986-06-01), Nakatani
patent: 4761092 (1988-08-01), Nakatani

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