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Patent Searching and Data


Title:
WORKING DEVICE OF CONSTRUCTION MACHINERY
Document Type and Number:
WIPO Patent Application WO/2000/058571
Kind Code:
A1
Abstract:
A working device of construction machinery, wherein a recessed part (22a) is formed in an end face (22b) of a pin (22) installed in a boom (3), a case (21a) for an angle sensor (21) is disposed in the recessed part (22a), and a flange (218) for an input shaft (21b) projecting in the axial direction is installed projectingly from the case (21a) so that it surrounds the input shaft (21b) avoiding the movable range of a lever (23), whereby the amount of projection of the flange (218) can be increased over the amount of projection of an input shaft (21c) so as to improve the protective function of the input shaft (21b) by the flange (218).

Inventors:
TOMITA SADAHISA (JP)
SUGIYAMA GENROKU (JP)
HAGA MASAKAZU (JP)
SUZUKI RYOHEI (JP)
HASEGAWA TOSHIO (JP)
TAHARA KOJI (JP)
Application Number:
PCT/JP2000/001997
Publication Date:
October 05, 2000
Filing Date:
March 30, 2000
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
TOMITA SADAHISA (JP)
SUGIYAMA GENROKU (JP)
HAGA MASAKAZU (JP)
SUZUKI RYOHEI (JP)
HASEGAWA TOSHIO (JP)
TAHARA KOJI (JP)
International Classes:
E02F9/26; (IPC1-7): E02F9/26
Foreign References:
JPH03106406U1991-11-01
JPH08260525A1996-10-08
Other References:
See also references of EP 1092809A4
Attorney, Agent or Firm:
Nagai, Fuyuki (Kasumigaseki 3-chome Chiyoda-du, Tokyo, JP)
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