Title:
【発明の名称】油圧ピストン-シリンダユニットの安全装置
Document Type and Number:
Japanese Patent JPH09500438
Kind Code:
A
Abstract:
PCT No. PCT/AT95/00037 Sec. 371 Date Nov. 2, 1995 Sec. 102(e) Date Nov. 2, 1995 PCT Filed Feb. 21, 1995 PCT Pub. No. WO95/23925 PCT Pub. Date Sep. 8, 1995The invention relates to a safety arrangement on hydraulic piston-cylinder units. In particular for monitoring locking cylinders, e.g., of operating tools mounted on a grab bucket boom. A sensor for monitoring the piston position is provided on the piston-cylinder unit and is coupled electrically to a monitoring circuit for triggering an alarm arrangement if the piston is incorrectly positioned. The sensor (3) is coupled to an electrically actuatable locking valve (2) coupled in the monitoring circuit (9) for controlling the hydraulic piston-cylinder unit (1).
Inventors:
Vimel, Aloys
Application Number:
JP52256095A
Publication Date:
January 14, 1997
Filing Date:
February 21, 1995
Export Citation:
Assignee:
Vimel, Aloys
International Classes:
E02F9/24; F15B15/28; F15B20/00; E02F3/36; (IPC1-7): F15B20/00; E02F9/24; F15B15/28
Attorney, Agent or Firm:
Hayakawa Masaname