Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Hook head – e.g. – j-bolt – etc.
Patent
1994-12-09
1996-04-23
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Hook head, e.g., j-bolt, etc.
411401, 411485, F16B 2300, F16B 4500
Patent
active
055097677
ABSTRACT:
A conveyor comprises parallel side frames provided with a plurality of apertures and C-shaped cross members provided with apertures in the side walls disposed in juxtaposition to apertures in the side frames. The cross member apertures are each defined by a flat inner wall. The cross members are fastened to the side frames by means of hook-bolts having a hook portion extending through the side wall apertures and a shaft extending to a juxtaposed aperture in the side frame and provided with a nut and washer to secure the bolt in the side frame. The hook portion of the bolt is provided with a flat surface extending a substantial distance across the inner surface of the hook portion of the bolt to provide a load bearing contact area with the inner wall of the side member aperture. The cross members have tabs extending outwardly from each end which are inserted into complementary apertures in the side frames. The resulting bolted conveyor frame construction ensures frame alignment under heavy loads.
REFERENCES:
patent: 501052 (1893-07-01), Brown
patent: 1939034 (1933-12-01), Bennett
patent: 2117717 (1938-05-01), Harmon
patent: 2379752 (1945-07-01), Schultz
patent: 3075622 (1963-01-01), Attwood
patent: 3303735 (1967-02-01), Fisher
patent: 3463525 (1969-08-01), Stewart
patent: 4068856 (1978-01-01), Harris
patent: 4372522 (1983-02-01), Simeonoff
patent: 4926953 (1990-05-01), Platt
Alvey Inc.
Wilson Neill R.
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