Title:
SWING MOTION LOCK DEVICE OF MOBILE CRANE
Document Type and Number:
Japanese Patent JP3490806
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To lock swing motion of a swinging body against a car body frame without rattling by furnishing a means to engage a member for locking and an engagement part with each other in an engaged state by a taper.
SOLUTION: A wheel crane is provided with a swing motion lock device 20 to lock swing motion of a swinging body including a swing table 3 against a carrier frame 14. This swing motion lock device 20 is furnished with a pair of oscillating arms 21 installed on the swing table 8 free to oscillate, a block 22 for locking provided on an end of the oscillating arm 21, an engagement bracket 24 provided on the carrier frame 14 and an operation wire 29 to operate oscillation of the oscillating arm 21. Consequently, it is possible to acquire locking motion without rattling by pushing out an operation wire 29 by operating an operation lever, oscillating the arm 21 downward and engaging a tapered block 22 with a tapered engagement groove 28 of the engagement bracket 24 at the time of locking swing motion of the swinging body.
Inventors:
Masahiro Ogi
Application Number:
JP21635295A
Publication Date:
January 26, 2004
Filing Date:
August 24, 1995
Export Citation:
Assignee:
Kato Manufacturing Co., Ltd.
International Classes:
B66C23/84; B66C23/94; (IPC1-7): B66C23/94; B66C23/84
Domestic Patent References:
| JP4201996A | ||||
| JP50120130U | ||||
| JP3418732Y1 |
Attorney, Agent or Firm:
Takehiko Suzue
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