Shutter frame lock
AssigneeMaxxmar Inc.
InventorMario M Marocco
Life of this patent
Estimating the term…
Abstract
A shutter frame lock formed of thermoplastic material for incorporation between a shutter frame and a mounting frame and having a recess integrally formed in a first one of the frames, a one piece moulded locking member secured in a second one of the frames; in which the locking member defines a main body; attachment extensions on the main body engageable with the second frame; a flexible resilient lock strip integrally moulded with the main body, having a lock portion interlockable with the recess in the first frame, and integral flexible arms extending on either side of the lock portion, joining it to the main body.
Claims8
A shutter frame lock formed of thermoplastic material incorporated between a shutter frame and a mounting frame and comprising;
- a recess integrally formed in a first one of said frames;
- a one piece moulded locking member secured in a second one of said frame said locking member defining a main body;
- attachment extensions on said main body engageable with said second frame;
- a flexible resilient lock strip integrally moulded with said main body, having a lock portion interlockable with said recess in said first frame, and,
- lock strip arm members defining generally U-shapes in section, on both side of said lock portion joining it to said main body to permit resilient flexing of said arm members;
- and said locking member has integral ribs on both sides of said lock strip, said ribs defining generally convex edges with a linear intermediate edge section, said ribs engaging said first frame, and said ribs registering said shutter frame in a predetermined position when said shutter frame is swung into its locked position.
Dependencies are inferred from the claim text.