Quick fastening and adjusting safety clasp especially for safety

Details Quick fastening and adjusting safety clasp especially for safety Quick fastening and adjusting safety clasp especially for safety

1977-06-02

1978-09-05

Guest, Alfred R.

Apparel

Guard or protector

For wearer's head

24230A, A42B 700

Patent

active

041108477

ABSTRACT:
A rapidly attachable and adjustable safety buckle for a chin strap of a protective helmet having a catch rotatably fixed to the helmet, a hook having one end attached to the chin strap and the other end terminating in a special protuberance, the catch having a cavity therein for receiving the specially shaped protuberance, and means for biasing the buckle toward a closed position with the protuberance being locked into the cavity.

REFERENCES:
patent: 423681 (1890-03-01), Glidden
patent: 2513592 (1950-07-01), Silverman
patent: 3145442 (1964-08-01), Brown
patent: 3235930 (1966-02-01), Chapin et al.
patent: 3447163 (1969-06-01), Bothwell et al.
patent: 3514816 (1970-06-01), Inoue
patent: 3796461 (1974-03-01), Cucheran et al.
patent: 3990113 (1976-11-01), Coenen

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