Actuator
CA 1302307 C · Owner: Sab Wabco A.B. · Inventors: Severinsson, Lars Mattis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An actuator for supplying a controlled force or attaining a controlled position, especially an electro-mechanical brake unit includes a drive sleeve, (8), which may be subjected to a torque for example from a coil spring (6), and a ball screw (15 25) for transforming the torque into an axial force for brake application. Between the drive sleeve and the ball screw there Is a control arrangement, comprising an outer locking spring (16) a control sleeve, (17), and an Inner locking spring (18) a control motor (20) being connected to the control sleeve for rotation thereof In either direction. The control sleeve is connected to the locking springs for control of their locking and unlocking …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.