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
1979-06-18
1981-09-01
Nunberg, Casmir A.
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
042864976
ABSTRACT:
In combination with a conventional toggle fastener adapted for insertion into and to secure behind a blind entry, a ratchet assembly adapted to retain the toggle fastener in the blind entry and to adjust for the depth of such entry, the ratchet assembly comprising at least one ratchet bar and a cooperating ratchet retainer adapted to slide on the ratchet bar. Excess length of the ratchet bar is removed to permit a conventional screw fastener to be engaged through the blind entry to the toggle wing assembly. The ratchet bar may be comprised of a ribbed construction, such as a saw-toothed surface, or a sequence of retaining openings therein.
REFERENCES:
patent: 2398220 (1946-04-01), Gelpcke
patent: 2616327 (1952-11-01), Karitzky
patent: 3581347 (1971-06-01), Verspieren
patent: 3605547 (1971-09-01), Millet
patent: 4043245 (1977-08-01), Kaplan
patent: 4075924 (1978-02-01), McSherry
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