Title:
クレーン結合部のためのピン駆動装置
Document Type and Number:
Japanese Patent JP6393488
Kind Code:
B2
Abstract:
A pin puller (150) is mounted between first and second connectors (124,125,135,136,145,146) preferably connectors on a lift crane, each of the connectors having a hole (140) therethrough. The pin puller includes: a) first and second support frame members (160, 162); b) a first pin (142) with a first end located in the hole of the first connector and a second end inside the first support frame member; c) a second pin (144) with a first end located in the hole of the second connector and a second end inside the second support frame member; d) at least one linear actuator (170) connected to the first and second pins; and e) a length adjustment device (180, 181) between the first and second support frame members, with its length adjusted so as to force the first support frame member into contact with the first connector and the second support frame member into contact with the second connector.
Inventors:
Bronson E. Forst
Kennis Jay. Polvecanski
Kennis Jay. Polvecanski
Application Number:
JP2014031197A
Publication Date:
September 19, 2018
Filing Date:
February 21, 2014
Export Citation:
Assignee:
MANITOWOC CRANE COMPANIES, LLC
International Classes:
B66C23/26
Domestic Patent References:
| JP2003128385A | ||||
| JP10265200A | ||||
| JP9278373A | ||||
| JP2011225316A |
Attorney, Agent or Firm:
Shigeru Ito
Yusuke Ebi
Yusuke Ebi