Universal joint seal with multiple lips
CA 1266688 C · Owner: Zeller Corporation (The) · Inventors: Mazziotti, Philip J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A universal joint seal is provided for a universal joint which seal is more effective in retaining lubricant and in preventing the ingress of water and contaminants particularly when, engaging surfaces which tend to be rough. In a specific form the universal joint includes a cross having a body and trunnions extending therefrom with an annular shoulder and an adjacent surface of circular cross section at the juncture of said body and each of said trunnions. The bearing cup has an open end which receives the trunnion and can have an annular groove adjacent the open end. The universal joint seal comprises a resilient sealing member having at least two circular lips which engage the annular …
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 March 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 2007.
- 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.