Conveyor roller
CA 1320159 C · Owner: Murphy, James · Inventors: Murphy, James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A conveyor roller (1, 40) comprising a hollow cylindrical roller body (2) with a pair of end plates (3) mounted on the roller body (2). Each end plate (3) is received within and engaged by one of the free ends (13) of the roller body (2). The free ends (13) are bent radially inwardly to engage a circumferential slot (10) in the rim (7) of each end plate (3). A rubber sealing ring (30) may be provided in the slot (10). A support spindle (4, 42) rotatably supports the roller body (2), the support spindle (4, 42) engaging with bearings (17) and associated seals (18) mounted in inwardly facing recesses (16) in the end plates (3).
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 July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
- 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.