Bolt binder

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Lap bolt or fastener

Patent

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Details

411353, 402 63, F16B 2100, B42F 1312

Patent

active

052942260

ABSTRACT:
A bolt binder, particularly for a file or holder, comprises in combination a bolt, a round head, a press piece, a cap, a washer and, optionally, a connector. In use, the cap is received within the proximate end of the bolt, and the press piece fitted on the bolt can be desirably moved up and down to press against the papers bound thereunder. When the file is going to be closed, the round head and, optionally, the press piece may be removed, and thus the cap can be instead engaged on distal end of the bolt.

REFERENCES:
patent: 908429 (1908-12-01), Tobey
patent: 1169405 (1916-01-01), Jenkins
patent: 1467781 (1923-09-01), Dawson
patent: 1582405 (1926-04-01), Jennings, Jr.
patent: 1686780 (1928-10-01), Wigginton
patent: 1897024 (1933-02-01), Shuss
patent: 2087397 (1937-07-01), Dinsmoor
patent: 2210048 (1940-08-01), Swanson
patent: 2586556 (1952-02-01), Mullikin
patent: 2609069 (1952-09-01), McLaughlin
patent: 2913950 (1959-11-01), Tinnerman
patent: 3279109 (1966-10-01), Whittum

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