Title:
MECHANISM FOR ADJUSTING THE LEG HEIGHT OF CHAIR OR DESK AND ITS USING METHOD
Document Type and Number:
Japanese Patent JP3496139
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a mechanism for adjusting the leg height of a chair or a desk, excellent in safety and convenience, without using any bolts and nuts, which can be easily handled by anyone with just a little force, and a method for using it.
SOLUTION: To lock a locking member 3, a lock pin 6 is fitted into a concave lock stop part 8 on stopping hardware 7, with the engagement part of locking hardware 5 being engaged with a jagged member 2. To release the locking state and adjust the height, after a lower cover 30 is moved upward, the lock pin 6 is disengaged from the concave lock stop part 8, and then by slanting an upper cover 20 to move it upward, the locking hardware 5 is pulled toward the upper cover 20, while the lower cover 30 is moved downward to set the locking member 3 at a desired height in the lock release state in which the lock pin 6 is fitted into a concave lock release part.
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Inventors:
Mitsuto Nagasue
Application Number:
JP2001058118A
Publication Date:
February 09, 2004
Filing Date:
March 02, 2001
Export Citation:
Assignee:
Daiichi Kogyo Co., Ltd.
International Classes:
A47B9/08; A47B9/00; A47B91/02; A47C3/26; A47C7/00; (IPC1-7): A47B9/08; A47B9/00; A47B91/02; A47C3/26; A47C7/00
Domestic Patent References:
| JP200070048A | ||||
| JP716117A | ||||
| JP4875905U | ||||
| JP55120332U | ||||
| JP4878202U |
Attorney, Agent or Firm:
Kenji Shoji