Variable length windshield wiper arm assembly
CA 1257951 A · Owner: General Motors Corporation · Inventors: Budinski, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Variable Length Windshield Wiper Arm Assembly Abstract of the Disclosure, A variable length windshield wiper arm assembly for disposition below the center of a vehicle windshield includes a base supported on the body for angular oscillation about a pivot axis of the body through a wiping stroke, a blade support arm carrying a wiper blade for wiping the window, an outboard slide bearing between the support arm and the base for partially guiding the arm relative to the base and for reacting blade torque, a hypocycloidal gear system on the base having a rotary input member rotatable about the pivot axis and a linear output member connected to an inboard end of the support arm whereby the …
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 August 1, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 2006.
- 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.