Apparatus for blocking release of slide fastener

Details Apparatus for blocking release of slide fastener Apparatus for blocking release of slide fastener

1990-06-20

1991-07-16

Smith, Gary L.

Closure fasteners

Seals

Encasing

70 68, 292318, 24387, B65D 3334

Patent

active

050319442

ABSTRACT:
An apparatus for blocking the release of a slide fastener caused by the movement of a slider. According to the preferable embodiment, this apparatus comprises a pair of sliders, which are provided with a pair of ring-projections respectively, and a pair of engaging members as a blocking member for supporting and ensuring the interlocking of the ring-projections. Then, a pair of studs are provided at the engaging members respectively. When the sliders arranged reversely are moved forwardly to be contacted with each other for closing the slide fastener, the ring-projections are interlocked so that the eyes of the both ring-projections are overlapped. Next, each stud is pushed into the overlapped eyes from each side and engaged to another stud in the eyes so as not to be removed and not to be pulled out. Therefore, the release of the slide fastener caused by the movement of the slider is surely blocked. For allowing the release of the slide fastener, the base of either stud is cut and another side engaging member is pulled out. In so doing, the engaging members are disengaged from each other. Accordingly, the sliders can be moved backwardly away from each other for opening the slide fastener.

REFERENCES:
patent: 2569706 (1951-09-01), Schaye
patent: 2578035 (1951-12-01), Bashover
patent: 2621387 (1952-12-01), Williams
patent: 2701903 (1955-02-01), Williams
patent: 3955842 (1976-05-01), Edwards
patent: 4008914 (1977-02-01), Anderson
patent: 4027361 (1977-06-01), Yoneya
patent: 4112990 (1978-09-01), Anderson
patent: 4123829 (1978-11-01), Takabatake
patent: 4588218 (1986-05-01), Guiler et al.
patent: 4664432 (1987-05-01), Swift
patent: 4697833 (1987-10-01), Swift

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