Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Closure checks
Patent
1998-01-10
1999-09-21
Mah, Chuck Y.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Closure checks
16 66, 16 49, E05F 502
Patent
active
059537892
ABSTRACT:
A checking mechanism (22) to frictionally check reciprocative devices (10) comprising a rod (16) that functions within a body (12) controlling a biasing means (11); the mechanism (22) providing superior leverage and torsion causing substantial direct frictional pressure (29) upon the rod (16), mountable axially (17) through an aperture configuration (26) bounded by a central structure (34) comprising a fulcrum locus (26-A) opposing a counter locus (26-B), both composed upon a common axis of symmetry (32) and each providing at least one opposing friction point (28) to create the direct frictional pressure (29) within an axial plane (30), torsionally urged upon the surfaces (16-A) (16-B) of the rod (16) wherein the distance between the opposing points (28) is less than the diameter of the rod (16), thus the pressure (29) created between the points (28) is not linearly aligned upon the common axis of symmetry (32); the mechanism (22) leveraged by a trigger appendage (38) fixated to the central structure (34) forming a fixated joint (42); the trigger appendage (38) providing a trigger point (40) for abutment against said body (12), the trigger point (40) variably disposed upon a substantial curvature surface to include an arching, ovoid, and convex design (40-A).
REFERENCES:
patent: 2732920 (1956-01-01), Newton
patent: 3032806 (1962-05-01), Mallory
patent: 3162889 (1964-12-01), Runnels
patent: 3566435 (1971-03-01), Nakamura
patent: 3665549 (1972-05-01), Quinn
patent: 4723765 (1988-02-01), Pearson
patent: 4777698 (1988-10-01), Lord
patent: 4815163 (1989-03-01), Simmons
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