Title:
ピンおよび油圧ショベル
Document Type and Number:
Japanese Patent JP6942571
Kind Code:
B2
Abstract:
To propose a hydraulic shovel that reduces the adverse effect of mud, earth or the like, and that can take out a hook smoothly.SOLUTION: In a hydraulic shovel 1, a link mechanism 47 is connected to a bucket 43 and an arm 42. A hook 48 has a hook part 73 and can be stored in a storage position P1 of the link mechanism 47. A pin 49 locks the hook 48 in the storage position P1. The pin 49 includes a pin body 81, a spring member 82 and a cover member 83. As shown in Figures 8 and 9, the pin body 81 can move between a locking position P3 where the pin body 81 is inserted into the hook part 73 of the hook 48 in the storage position P1 and an unlocking position P4 where the pin body 81 is pulled out from the hook part 73. The spring member 82 is disposed around the pin body 81 and biases the pin body 81 toward the locking position P3. The cover member 83 covers the periphery of the spring member 82 and has a long hole 833.SELECTED DRAWING: Figure 2
Inventors:
Tetsunori Hiyama
Sawada Hiroshi
Masafumi Tsuji
Sawada Hiroshi
Masafumi Tsuji
Application Number:
JP2017171470A
Publication Date:
September 29, 2021
Filing Date:
September 06, 2017
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
E02F3/36
Domestic Patent References:
| JP2014156339A | ||||
| JP2001226078A | ||||
| JP2017048880A | ||||
| JP2106050U |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation