Fastening mechanism

Details Fastening mechanism Fastening mechanism

2011-08-30

2011-08-30

Estremsky, Gary (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Including sleeve and distinct tapered expander

C411S026000, C411S038000

Reexamination Certificate

active

08007215

ABSTRACT:
A fastening mechanism which is easy to handle and operate. The fastening mechanism includes a bolster, a bolt, at least two elbows, and a support bracket. The bolster is provided with several retainer walls externally disposed, one side thereof being formed into an opening and the inside thereof being formed into a hollow space with a passage through which the bolt can pass. At least two elbows extend from the bottom end of the retainer walls. When the bolt mates with the inner thread formed in the retainer wall, a friction plate formed with the support bracket lodges into a tapered slot between two retainer walls so that the support bracket cannot move against the retainer walls. The at least two elbows angle outwards to retain the support bracket when the bolt is traveling along the inner thread.

REFERENCES:
patent: 3143916 (1964-08-01), Rice
patent: 3313083 (1967-04-01), Flora
patent: 3385156 (1968-05-01), Polos
patent: 3601869 (1971-08-01), Flora et al.
patent: 3836704 (1974-09-01), Coules
patent: 4089248 (1978-05-01), Anscher
patent: 4218954 (1980-08-01), Morel
patent: 5690454 (1997-11-01), Smith

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