Title:
ROTARY DISK TUMBLER LOCK
Document Type and Number:
Japanese Patent JP2014163207
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide many kinds of cylinder locks, capable of increasing a key difference in manufacture.SOLUTION: A rotary disk tumbler lock is composed of an inner cylindrical body rotatably fitted to an outer cylindrical body and having an unlocking cutout in the radial direction, a locking bar provided in this inner cylindrical body and engaging with/disengaging from a lock cam groove and a movable obstacle piece slidably provided in the radial direction against spring force of a tumbler spring in a tumbler storage part of the inner cylindrical body, having respectively an engaging part for engaging in response to an engaging object part respectively formed in a different part of a blade of a duplicate key and arranged in the rotary shaft direction of the inner cylindrical body, in which at least one sheet of the movable obstacle piece is divided into two pieces, and a divided piece divided into two pieces is positioned via a guide rod on an axially perpendicular cross section orthogonal to a rotary shaft of the inner cylindrical body, and the engaging part formed in these divided pieces is any one formed in at least mutually different shapes or different positions.
Inventors:
KONOSE MASAAKI
Application Number:
JP2013038353A
Publication Date:
September 08, 2014
Filing Date:
February 28, 2013
Export Citation:
Assignee:
MIWA LOCK KK
International Classes:
E05B29/10
Domestic Patent References:
| JPH0316366Y2 | 1991-04-09 | |||
| JPH0328281U | 1991-03-20 | |||
| JP2595636Y2 | 1999-05-31 | |||
| JP2001098805A | 2001-04-10 | |||
| JP4416097B2 | 2010-02-17 | |||
| JP3432433B2 | 2003-08-04 | |||
| JP2003213991A | 2003-07-30 |
Attorney, Agent or Firm:
Mitsuyasu Miura
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