Rotary joint especially for heavy duty articulated shafts driving metallurgical machines
CA 1107525 A · Owner: Osrodek Badawczo-Rozwojowy Maszyn Hutniczych · Inventors: Kasperczyk, Jozef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The shaft end of a rotary joint is mounted in a joint chamber on a mandrel arranged coaxially with joint housing by means of a self-aligning bearing. The joint chamber is sealed by a cover provided with a concave spherical cup surface directed inwards the joint chamber and fastened rigidly to the front face of joint housing. The cover is engaged by a slideable and deflectable sealing ring which contacts through its convex spherical surface the concave counterpart of cover 6. The sealing ring is pressed against cover by a set of springs and holding-down pins. The shaft is provided with a hole in which is located a resilient thrust device.
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 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- 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.