Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Securing means pivotable about axis transverse to fastener...
Patent
1994-04-29
1996-03-19
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Securing means pivotable about axis transverse to fastener...
411345, F16B 2100
Patent
active
054998948
ABSTRACT:
A keybolt (40) includes a bolt member (10) and a key member (12). The key member includes a first leg (22) and a second leg (24) which are biased apart. The first leg includes steps (21) thereon. The key member is rotationally and slidably movable in a recess (20) on said bolt member. The key member is held in said recess by a rivet (14) which extends through elongated channels (42) in the leg members. The key member is movable between a locked position in which it extends generally traversely of the axis of the bolt member so as to hold the keybolt in an aperture through which it extends. The key member is movable to an unlocked position wherein it is rotatable to extend coaxially with the bolt member and wherein the keybolt may be readily installed or removed from appropriately sized apertures.
REFERENCES:
patent: 2287117 (1942-06-01), Montalto
patent: 2360395 (1944-10-01), Byron
patent: 3673910 (1972-07-01), Collister
patent: 3861267 (1975-01-01), Collister
patent: 4508479 (1985-04-01), Mez
Alto Roger E.
Alto Scott E.
Collister Frank C.
Jocke Ralph E.
Perma Manufacturing Inc.
Pophal Michael C.
Wilson Neill R.
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