Adaptive washer and bolt assembly

Details Adaptive washer and bolt assembly Adaptive washer and bolt assembly

1978-07-10

1980-11-04

Britts, Ramon S.

85 50R, F16B 4300

Patent

active

042312795

ABSTRACT:
An adaptive washer assembly comprises a washer body which provides an inner flat surface which is abuttable against a base structure such as a timber bridge member to which a conventional bolt and the attached washer body will be attached in for example, timber construction. The washer body is provided with an outer curved surface, the outer surface and the inner face intersecting to form a periheral edge portion to said washer body. In the preferred embodiment, the washer body is thicker at the center portion thereof, and a substantially cylindrical bore is provided through the washer body at the thickened central portion thereof. The central bore can be provided with a diameter substantially equal to or larger than the diameter of the shaft portion of the bolt to be attached through the washer bore to the base structure which could be, for example, a wooden timber member. A bolt head recess provided on the washer body adjacent to the curved outer surface and communicating with the central bore is capable of protectively housing the bolt head portion of the conventional bolt with the uppermost surface portion of the bolt head being protected and substantially flush with the outer curved surface of the washer body. The adaptive washer provides a combined connection with conventional hex head bolts for situations where protruding heads are undesirable or dangerous.

REFERENCES:
patent: 2234667 (1941-03-01), D'Amico
patent: 2286950 (1942-06-01), Breedlove
patent: 3370631 (1968-02-01), James
patent: 4018111 (1977-04-01), Goldhaber

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