Autolock slider for slide fastener
AssigneeYKK Corporation
InventorIwao Yaguramaki
Life of this patent
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Abstract
In an autolock slider, an upper wing of a slider body has a concave pivot-projection-receiving recess extending into a fastener-element guide post, a locking-pawl-insertion hole off the guide post, and an attachment post standing on the guide post. A locking lever having at its front and rear ends a pivot projection and a locking pawl, respectively, is supported on the upper wing with a rounded end of the pivot projection loosely received in the concave recess and the locking pawl inserted in the locking-pawl-insertion hole. A spring is accommodated in a spring-accommodating portion formed on the upper side of the attachment post, resiliently touching the upper side of the lever. The attachment post has a tongue for restricting upward movement of the pivot projection.
Claims9
An autolock slider for a slide fastener, comprising:
- (a) a slider body comprised of upper and lower wings and a guide post standing on a front end of said lower wing so as to define a fastener-element guide channel between said upper and lower wings;
- (b) said upper wing having a pivot-projection-receiving recess extending into said guide post and a locking-pawl-insertion hole disposed off said guide post and communicating with said fastener-element guide channel, said pivot-projection-receiving recess having a concave bottom;
- (c) a locking lever having a locking pawl at one end and a pivot projection at the other end and supported on said upper wing with said locking pawl inserted in said locking-pawl-insertion hole and with said pivot projection pivotally received in said pivot-projection-receiving recess, said pivot projection having a rounded end;
- (d) restricting means disposed above said pivot-projection-receiving recess for restricting upward sliding movement of said pivot projection;
- (e) a spring acting on said locking lever in such a manner that said locking pawl is urged to normally project into said fastener-element guide channel;
- and
- (f) a pull tab having an axle disposed between said upper wing and said locking lever for pulling said locking lever away from said upper wing against the resiliency of said spring so as to retract said locking pawl from said fastener-element guide channel.
Dependencies are inferred from the claim text.