VARIABLE CODE TYPE CYLINDER LOCK

Title:

VARIABLE CODE TYPE CYLINDER LOCK

Document Type and Number:

Japanese Patent JP3411358

Kind Code:

B2

Abstract:

PURPOSE: To have many variable code numbers, enable old codes to be returned, and hardly unlock unlawfully.
CONSTITUTION: A tumbler plate 24 and a variable tumbler 27 are inserted into a plug 6 inserted on the inner circumferential face of a case 1, a sawteeth-like engaging part 26 provided on the tumbler plate 24 is provided on a part 29 to be engaged provided on the variable tumbler 27 capably of being engaged/ disengaged, and an engaging projection 19 engaged/disengaged with the inner circumferential face of the case is provided on a retractor 18 engaged with the variable tumbler 27. A side cover 15 capable of being engaged/disengaged with the case 1 and the tumbler plate 24, and the retractor 18 engaged/ disengaged with a case 17 by a reset key 34 is inserted into the plug 6.

Inventors:

Shunichi Nagata

Application Number:

JP33755193A

Publication Date:

May 26, 2003

Filing Date:

December 28, 1993

Export Citation:

Click for automatic bibliography generation Help