Surface/cremone bolt

Closure fasteners – Bolts – Sliding

Patent

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Details

292145, E05C 104

Patent

active

054722489

ABSTRACT:
A self-centering surface bolt comprising two or more keepers, a surface bolt and two or more guides. The guides further comprise a base, a stem and a cap. The base of the guide is received within a recess in the keepers and the stem and cap of the guides are received within a channel in the surface bolt. The guides are symmetrical with respect to the channel of the surface bolt. Thus, regardless of the position of the guide with respect to the keepers or the surface bolt, the guides will have the same apparent cross section and will center the surface bolt within the keepers without resulting in the surface bolt binding with respect to the guides.

REFERENCES:
patent: 1776580 (1930-09-01), Deasy
patent: 2100622 (1937-11-01), Adams
patent: 2620213 (1952-12-01), Keeler
patent: 3141692 (1964-07-01), Behrens
patent: 4021063 (1977-05-01), Porter
patent: 4060266 (1977-11-01), Wilkinson
patent: 4331369 (1982-05-01), Lazar et al.

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