Slider for slide fastener provided with automatic locking...

Details Slider for slide fastener provided with automatic locking... Slider for slide fastener provided with automatic locking...

2005-10-05

2008-03-04

Brittain, James R. (Department: 3677)

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Slider having specific configuration, construction,...

Reexamination Certificate

active

07337510

ABSTRACT:
The invention provides a high-quality slider for a slide fastener provided with an automatic locking device, wherein the slider comprises a body, a pull, and the spring with the locking pawl, the spring is formed in an inverted U-shape comprising an upper and lower elements by cutting and bending a linear material having a same cross-sectional shape, a locking pawl is provided at a front end of the lower element, the body comprises a front and rear side attaching portions, a housing groove is provided at each attaching portion to house the spring so as to fix it to the upper element, a projection amount regulating portion of the locking pawl is provided on a wall of a pawl hole to elastically contact a base portion of a pawl element thereto, and a rear face of the upper element attached to the rear side attaching portion regulates an upward movement of the pawl element.

REFERENCES:
patent: 2569298 (1951-09-01), Erdmann
patent: 3793684 (1974-02-01), Moertel
patent: 6314624 (2001-11-01), Lin

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