Lifting equipment with device for continuous measuring and indicating lifting-rod position

Application Number: 00108748
Application Date: 2000.05.31
Publication Number: 1275682
Publication Date: 2000.12.06
Priority Information: 1999/5/31 FR 99/07031
International: F15B9/02;F15B13/16;F15B15/28
Applicant(s) Name: Pierre Clouvel
Inventor(s) Name: Pierre Clouvel;Louis Renier
Patent Agency Code: 11038
Patent Agent: huang bijing
Abstract The position control for the rod (5,6) of an actuator (2) comprises a cable (10) connected at one end (9) to the rod. The cable is wound in grooves around a rotating drum (11) which has a return spring. A transducer is sensitive to the drum rotation. The hollowed out drum receives part of the spring which is fixed to the drum periphery and to a fixed hub.