Title:
削岩機
Document Type and Number:
Japanese Patent JP4551601
Kind Code:
B2
Abstract:
A rock drilling machine comprising a rotating device (1), a percussion device (2) and a shank (17) where a tool (18) is to be fastened. According to the inventive idea, lubricant used for lubricating the shank is supplied in suitable conduits to pressurize the holes (3a'-3f') of coupling bolts that join together the different parts of the drilling machine and delivered further in suitable conduits to serve as lubricant on the bearing surfaces between the rock drill and the feed equipment (21).
Inventors:
Heinonen, Yarmo
Maki, Yoruma
Maki, Yoruma
Application Number:
JP2001582681A
Publication Date:
September 29, 2010
Filing Date:
May 10, 2001
Export Citation:
Assignee:
SANDVIK MINING AND CONSTRUCTION OY
International Classes:
B25D17/16; E21B6/02; E21B3/00; E21B6/00; E21B19/24; F16N7/38
Domestic Patent References:
| JP7158378A |
Attorney, Agent or Firm:
Takao Katori