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US 5,331,766 AGranted
Device for locking windows
OwnerRobert A. Bennettinventor
Life of this patent
Estimating the term…
Abstract
A device adapted for use in locking a window in closed position or in partially or fully open position which utilizes an elongated locking pin; and a flexible spiral shaped spring lying in a plane perpendicular to the direction of elongation of the pin. The spring has an inner end secured to the pin at a position intermediate the ends of the pin. The spring has an outer end with an opening therein.
Claims2
A device adapted for use in locking a window in a closed position or in a partially or fully open position, said device comprising:
- an elongated cylindrical locking pin having two opposed ends;
- a flat flexible spiral shaped spring lying in a single plane perpendicular to the direction of elongation of said pin, the spring having an inner end secured to the pin at a position intermediate the ends of the pin, the inner end having an opening through which the pin extends, the pin being secured immovably to the spring, the spring having an outer end with an opening therein;
- and
- a screw removably disposed in the opening in the outer end of the spring.
1 more element
Dependencies are inferred from the claim text.