Title:
LOCK STRUCTURE FOR FOLDING LEG POLE
Document Type and Number:
Japanese Patent JP3648207
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lock structure for folding leg pole capable of performing a lock release, in the extension of a leg pole and in the folding of the leg pole, by pressing a lock lever laid substantially in the same waiting attitude.
SOLUTION: This lock structure comprises a support bracket fixed to a top plate and having the leg pivotally fixed to one end, the lock lever pivotally fixed to the other end of the support bracket and energized in the locking direction while having a locking part at one end and an operation piece on the other end, and a locking cam piece fixed to the leg pole and provided so that the locking part of the lock lever is regularly in contact therewith. The locking cam piece has a folding lock receiving part and an extending lock receiving part, so that the lock lever can be held substantially in the same waiting attitude in the extension and folding of the leg pole.
Inventors:
Toshio Suzuki
Application Number:
JP2002059595A
Publication Date:
May 18, 2005
Filing Date:
March 05, 2002
Export Citation:
Assignee:
Massset Co., Ltd.
International Classes:
A47B3/08; (IPC1-7): A47B3/08
Domestic Patent References:
| JP10179261A | ||||
| JP61123740U |
Attorney, Agent or Firm:
Yoshihisa Nishi