Title:
DOOR LOCK
Document Type and Number:
Japanese Patent JP3294219
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve operability, and to simplify a structure.
SOLUTION: This door lock is provided with doorknobs 5, 8 provided on the outside and inside of a door, respectively and for opening and closing the door, and a lock mechanism for obstructing the door-opening operation of the outside doorknob 8 by interlocking with the operation of the inside doorknob 5. The door-opening operation of the outside and inside doorknobs 5, 8 are set to a rotation in a fixed direction, and only the inside doorknob 5 can be turned in a reverse direction to the door opening operation. The lock mechanism is lockingly operated by the rotation in the reverse direction to the door opening operation of the inside doorknob 5.
More Like This:
| JPS5874798 | 【考案の名称】静電気シヨツク防止扉把手 |
| JP2007297812 | DOOR OPENING/CLOSING EQUIPMENT |
| JP4125424 | Outer handle device |
Inventors:
Tomoe Ito
Masahisa Sakurai
Isamu Mamiya
Masahisa Sakurai
Isamu Mamiya
Application Number:
JP17578899A
Publication Date:
June 24, 2002
Filing Date:
June 22, 1999
Export Citation:
Assignee:
Atom Living Tech Co., Ltd.
Sakurai Metal Industry Co., Ltd.
Sakurai Metal Industry Co., Ltd.
International Classes:
E05B1/00; E05B55/14; E05B55/16; E05B65/06; (IPC1-7): E05B55/16; E05B65/06
Attorney, Agent or Firm:
Yoshiharu Yoshida
Previous Patent: TACKLE FOR CUTTLEFISH FISHING
Next Patent: METHOD FOR DIAGNOSING INSULATION DETERIORATION OF POWER CABLE
Next Patent: METHOD FOR DIAGNOSING INSULATION DETERIORATION OF POWER CABLE