Title:
走行台車のフレーム構造
Document Type and Number:
Japanese Patent JP6812083
Kind Code:
B2
Abstract:
To provide a frame structure in which assembly work and disassembly work for an axle even if a frame becomes smaller in association with down-sizing of a work truck.SOLUTION: A structure of a frame A of a travel truck which travels in a state that a welding torch or a cutting torch is mounted thereon has a pair of side wall members 1 which is located in a travel direction, and a top plate member 2 which connects the pair of side wall members. The pair of side wall members has: plural bearing accommodation recesses 5, 6 for accommodation of a bearing 13 which is formed on at least one end side in the travel direction and is located on the same axes 5a, 6a, and supports axles 11, 12; and notch parts 7, 8 which are formed from each bearing accommodation recesses 5, 6 toward a free end 1a side of the side wall member 1, and has a dimension which is larger than at least an outer diameter of the axles 11, 12 supported by the bearing 13 and is smaller than an outer diameter of the bearing 13, or a dimension which is substantially equal to the outer diameter of the bearing 13.SELECTED DRAWING: Figure 2
Inventors:
Daisuke Kato
Satoshi Ota
Minahara Masatoshi
Satoshi Ota
Minahara Masatoshi
Application Number:
JP2017246125A
Publication Date:
January 13, 2021
Filing Date:
December 22, 2017
Export Citation:
Assignee:
Koike Oxygen Industry Co., Ltd.
International Classes:
B23K37/02; B23K7/00
Domestic Patent References:
| JP57003492U |
Attorney, Agent or Firm:
Nakagawa International Patent Office