Buckles – buttons – clasps – etc. – Buckles – One-piece
Patent
1977-03-09
1978-12-19
Gelak, Bernard A.
Buckles, buttons, clasps, etc.
Buckles
One-piece
2420515R, A44B 1926, A44B 1936
Patent
active
041299280
ABSTRACT:
A slide fastener includes a bottom end stop member for limiting the downward or opening movement of a slider along a pair of series of fastener elements carried on and along confronting longitudinal edges of oppositely disposed stringer tapes. Each of upper and lower wings of the slider has a pair of guide flanges extending on and along its lateral edges. The lengths of each pair of guide flanges are so related to the pitch of the fastener elements that those two opposed fastener elements, located within a guide channel of the slider in adjacent relationship to the front ends of the two pairs of guide flanges, have their respective longitudinal axes disposed downwardly of the front ends of the lateral guide flanges when the slider is in its lowermost position.
REFERENCES:
patent: 2228422 (1941-01-01), Thompson
patent: 2441007 (1948-05-01), Carlile
patent: 2577855 (1951-12-01), Moehler
patent: 2887749 (1959-05-01), Morin
patent: 3170207 (1965-02-01), Morin
patent: 3522327 (1950-09-01), Winterhalter
patent: 3618178 (1971-11-01), Hansen
patent: 3959858 (1976-06-01), Kaisha
Sugiyama Takayuki
Takahashi Kihei
Gelak Bernard A.
Yoshida Kogyo K. K.
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