Title:
SLOPE ROCK EXCAVATING MACHINE
Document Type and Number:
Japanese Patent JP3467673
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To finish irregularities of a slope roughly made by blasting in a flat surface.
SOLUTION: This slope rock excavating machine is installed on a working arm of a construction machinery such as a backhoe, etc., through a mounting bracket 110. A drilling drum 260 is installed on a frame part 100 having the mounting bracket 110 free to move in the lateral direction along a lateral guide rail 230 and to move in the longitudinal direction along a vertical guide rail 130, the drilling drum 260 is free to vertically move by a feed unit 250, a drilling bit 263a is formed on a lower end of a shaft center, and an axis of rotation to be struck by a drifter 261 is inserted by a drive motor in a state free to revolve.
Inventors:
Hiromi Kawakami
Masanao Hongo
Masanao Hongo
Application Number:
JP33469796A
Publication Date:
November 17, 2003
Filing Date:
November 29, 1996
Export Citation:
Assignee:
Yamamoto Lock Machine Co., Ltd.
Abe Industry Co., Ltd.
Abe Industry Co., Ltd.
International Classes:
E02F5/00; E21B3/00; E21B10/00; (IPC1-7): E02F5/00; E21B3/00; E21B10/00
Domestic Patent References:
| JP50114832A | ||||
| JP363383A | ||||
| JP57168557U | ||||
| JP6250293U |
Attorney, Agent or Firm:
Sadanobu Shimizu (2 outside)