Lock structure

Details Lock structure Lock structure

1975-09-11

1978-02-14

Wolfe, Robert L.

Locks

Operating mechanism

Key

70421, 70375, E05B 2902

Patent

active

040731715

ABSTRACT:
A lock device comprising a housing having a plurality of rotatable cylindrical members therein, one of said cylindrical members being integral with a latch operating member, each of said cylindrical members having one or more tumblers, said tumblers normally holding said cylindrical members in a locked non-rotatable position, said cylindrical members being inter-engaged with each having limited relative movement, and an operating member engaging and operating said tumblers in a given order to rotate said cylindrical members in a like order, said cylindrical members progressively joining together in rotation until all of said tumblers have been engaged and operated at which time all of said cylindrical members will be inter-engaged to rotate as a unit to move said latch operating member to an unlock position.

REFERENCES:
patent: 1232792 (1917-07-01), Grimes
patent: 1376256 (1921-04-01), Conte
patent: 3216230 (1965-11-01), Falk
patent: 3863476 (1975-02-01), Patriquin

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