Hand operated actuator for rotary storage cabinet
CA 2186956 C · Owner: Poortvliet, Robert J. · Inventors: Bursh, Thomas A.; Poortvliet, Robert J.; Murphree, Michael L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary cabinet with a self-latching, and positioning rotor (30) is provided with an improved latch mechanism. The latch is operated by a sliding hand actuator (66) connected by links (163, 164) and lovers (161, 170) to a latch member (180). To operate, the actuator (66) is lifted to release the rotor (30). An air cylinder (165) retards the return of the actuator (66) and latch member (180) to the latch position. While the rotor (30) is released the rotor (30) is rotated to a desired position. The latch returns to the latched position and restrains the rotor (30). Materials can be stored in or retrieved from the shelves on the rotor (30).
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
- Filed March 31, 1995 and granted December 28, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 2017.
- 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.