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US 6,662,606 B2Granted
Lock cylinder retainer
AssigneeNewfrey LLC
InventorLawrence G. Rodriguez
Life of this patent
Estimating the term…
Abstract
A lock cylinder retainer comprises an annular portion and a rectangular portion extending from the annular portion. The annular portion is configured to engage a lock cylinder core and the rectangular portion is configured to engage a pin housing associated with the cylinder core. The annular portion includes a front edge and a flange extending radially inwardly from the front edge and the rectangular portion includes a front surface, a pair of parallel side surfaces and a top surface. The front, top and side surfaces cooperate to partially enclose the pin housing.
Claims3
A doorknob assembly comprising:
- a chassis having a sleeve;
- a knob coupled to the sleeve and having a front surface with a lock cylinder access opening;
- a lock cylinder disposed in the sleeve;
- and
- a cylinder retainer disposed between the lock cylinder and the front surface of the knob, the retainer including an annular portion and a rectangular portion extending from the annular portion transversely to a longitudinal axis of the lock cylinder, the annular portion being configured to engage the lock cylinder and the rectangular portion being configured to receive therein a pin housing associated with the lock cylinder, the retainer being disposed substantially within the doorknob.
2 more elements
Dependencies are inferred from the claim text.