Closure fasteners – Bolts – Hooked end
Patent
1988-08-18
1990-09-25
Brittain, James R.
Closure fasteners
Bolts
Hooked end
24606, 292113, E05C 316
Patent
active
049588656
ABSTRACT:
There is disclsed an improved clamping system for releaseably securing two external members (30) and (40) each to the other. The improved clamping system includes a hook member (3) which is fixedly secured to external member (40) and a chassis mechanism (2) which is fixedly secured to external member (30). The chassis mechanism (2) includes a U-shaped supporting frame (21) having a spring (22) passing therethrough. A clamping mechanism (1) is provided which includes a rotative displacement member (12) having an eccentric groove hole (124) formed in a lower disk member (121). A bridge plate member (13) having a central opening (131) encloses and provides a linear restraint for a sliding plate member (14) which includes a slot (141) passing therethrough. An insertion pin (15) passes through the slot (141), the central opening (131) and is insertable within the groove hole (124). Rotation of the rotative displacement member (12) provides for a responsive linear reversible displacement of the sliding plate member (14) for allowing a hooked end (145) to grasp onto the curved end of the hook member (3). In this manner, there is provided an economical, easily manufacturable, one-piece improved clamping system.
REFERENCES:
patent: 2820995 (1958-01-01), Schlueter
patent: 2853752 (1958-09-01), Schlueter
patent: 3295877 (1967-01-01), Swanson
patent: 4090727 (1978-05-01), Busch et al.
Brittain James R.
Klein David I.
Rosenberg Morton J.
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