Butt hinge with means to prevent the wear of knuckles

Details Butt hinge with means to prevent the wear of knuckles Butt hinge with means to prevent the wear of knuckles

1975-05-06

1976-11-16

Larkin, G. V.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Sash balances

Spring

16191, E05D 1104

Patent

active

039914364

ABSTRACT:
To prevent the wear of, and noise production by, the opposed or abutting ends of knuckles on a pair of hinge leaves, a pair of rings of wear resisting material are interposed between the opposed ends of each two adjacent knuckles, with a pintle passing through the knuckles and rings. The rings have pairs of fingers gripping the opposed marginal edges of the leaves, respectively, so that the paired rings rotate relative to each other with the swinging movement of the leaves. Each ring with its pair of fingers is exactly flat and is therefore manufacturable by punching from sheet metal, plastic or the like.

REFERENCES:
patent: 137623 (1973-04-01), Rankin
patent: 1180192 (1916-04-01), Rowe
patent: 1203114 (1916-10-01), Hurd
patent: 2930075 (1960-03-01), Deutchman et al.
patent: 2990572 (1961-07-01), Schwartzberg
patent: 3178762 (1965-04-01), Whiting
patent: 3602942 (1971-09-01), Neff et al.

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