Buckles – buttons – clasps – etc. – Strap tighteners – Accordion straps
Patent
1996-01-31
1997-10-21
Brittain, James R.
Buckles, buttons, clasps, etc.
Strap tighteners
Accordion straps
245731, 24589, 24654, 403319, A44B 2100
Patent
active
056782829
ABSTRACT:
A jewelry clasp (10) comprises a pair of opposite interlocking members (30). Each of the interlocking members has a top portion (26), a bottom portion (28), and a forward and a rearward end (25,27), respectively. The interlocking members have forward end tines (24). Each of the tines has a transverse bore extending therethrough. A pin (60) is provided for inserting through the bores to lock the interlocking members together in a closed position. The pin has a top (62), a terminal end (80) and an shank (70) therebetween. The top has a bore (67) extending through it. A pair of upstanding posts (50,51) are secured to the top portion of each of the interlocking members. The top of the pin protrudes a height at least as great as the posts when the pin is fully inserted in the bores. At least one of the bores and at least a portion of the shank have complementary threads (31,81). A resilient locking clip (90) extends through the bore in the top of the pin and is positioned on the posts for securing the pin when the clasp is in the closed position. One of the posts (50) has a terminal head (52) such that the clip cannot be separated from the clasp.
REFERENCES:
patent: 328822 (1885-10-01), Spruce
patent: 457012 (1891-08-01), Roberts
patent: 821086 (1906-05-01), Cannan
patent: 1193135 (1916-08-01), Gerstner et al.
patent: 2620248 (1952-12-01), Mutchnik
patent: 3165804 (1965-01-01), Marosy
patent: 3848417 (1974-11-01), Smith et al.
patent: 4611367 (1986-09-01), Meulenberg et al.
patent: 4671528 (1987-06-01), Thompson
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