Joints and connections – Interfitted members – Clamped members
Patent
1989-08-30
1990-12-11
Cuomo, Peter M.
Joints and connections
Interfitted members
Clamped members
4034091, 172751, 172762, F16B 214, A01B 1500
Patent
active
049765663
ABSTRACT:
An assembly for mounting an earth working tool to a shank having a substantially vertical track on the rear end of the shank, a tool holder having a C-shaped opening at its forward end and adapted to fit over the shank track, and a wedge member adapted for wedging between the shank track and the tool holder to secure the holder to the shank at a selected position with the track forward facing surfaces engaging the flange rear surfaces. The track includes a rearward V-shaped surface and a pair of forward facing surfaces and the holder opening includes a flanges adapted to engage the forward facing surfaces when forced together by the wedge member. Depressions and protrusions are provided on the flanges and forward facing surfaces to secure against vertical movement of the mounted holder relative to the shank. The V-shaped surface has an included angle of substantially ninety degrees. The wedge member includes a striker plate having a first surface which may be struck from the top to secure the holder to the shank track and a second surface which may be struck from the bottom to disengage the holder from the shank track.
REFERENCES:
patent: 775770 (1904-11-01), Herrod, Jr.
patent: 1339357 (1920-05-01), Kopriva
patent: 2757595 (1956-08-01), Clifford et al.
patent: 2765136 (1956-10-01), Knapp
patent: 4190115 (1980-02-01), Couture
patent: 4320608 (1982-03-01), Deike
patent: 4576239 (1986-03-01), Launder
patent: 4840513 (1989-06-01), Hackett
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