Improved pin tumblers and corresponding keys for cylinder locks

Details Improved pin tumblers and corresponding keys for cylinder locks Improved pin tumblers and corresponding keys for cylinder locks

E - Fixed Constructions

05

B

E05B 27/04 (2006.01) E05B 27/00 (2006.01) E05B 19/00 (2006.01)

Patent

CA 2122051

A tumbler pin tip (14) and key surface (16) are configured so that when engaged, the tumber pin tip (14) fully and precisely seats in the key bitting, and thus is rotationally positioned at a predetermined location. The contacting surfaces (14, 16) are generally sloped from one edge of the tumbler (and key surface) to the other in tapered form and the sloping surface may be flat (18), concave (24), convex (26) or a combination as disclosed.

La pointe de la goupille de la gorge (14) et la surface de la clef (16) sont configurées de manière que, lorsqu'elles sont engagées, la pointe de la goupille de la gorge (14) repose complètement et de manière précise dans l'encoche et se retrouve ainsi placée à un emplacement prédéterminé de manière à pouvoir être tournée. Les surfaces de contact (14, 16) sont généralement inclinées d'un bord de la gorge (et de la surface de la clef) à l'autre et sont effilées; la surface en pente peut être plate (18), concave (24), convexe (26) ou combiner certaines de ces caractéristiques.

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