Control device for steering apparatus or the like
CA 1091131 A · Owner: Danfoss A/S · Inventors: Rasmussen, Ivar; Baatrup, Johannes V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification descirbes a control device for a steering apparatus or the like comprising a housing an outer and an inner rotary slide disposed in a bore of the housing and forming a reversing switch. Four axially adjacent annular grooves are provided at the sliding face between the bore of the housing and the rotary slides preferably in the bore of the housing. The first groove is connected to a pump connection, the second and third to a respective connection to an operating conduit leading to an operating motor and the fourth to a tank connection. A steering shaft is connected to the inner rotary slide and, a measuring motor which, on actuation of the control device is connected …
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 December 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
- 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.