Adjustable bar lock

Closure fasteners – Extension link

Patent

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Details

292DIG46, E05C 1730

Patent

active

044615027

ABSTRACT:
An adjustable bar lock for use between an abutment member and a slidable member. The bar lock includes a base attached to the abutment member and an adjustable bar comprising a rigid first link pivotally attached to the base and telescopically connected to a rigid second link. The second link has a free end adapted for abutting the slidable member with the bar in a locked position. A retainer clip adapted for attachment to the abutment member is provided for releasably securing the adjustable bar in a pass position, whereby the slidable member may be moved from a closed to an open location. The adjustable bar is foldable between the locked and the pass positions.

REFERENCES:
patent: 3328920 (1967-07-01), Cohen et al.
patent: 3471189 (1969-10-01), Ness
patent: 3486781 (1969-12-01), Crum
patent: 3615114 (1971-10-01), Harris
patent: 3698754 (1972-10-01), Means
patent: 3977712 (1976-08-01), Northrop
patent: 4005889 (1977-02-01), Patrick
patent: 4073522 (1978-02-01), Tierney
patent: 4076293 (1978-02-01), Valles
patent: 4358758 (1982-11-01), Morton

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