Apparatus for passing workpieces into and out of a coating chamber through locks
CA 1300367 C · Owner: Zejda, Jaroslav · Inventors: Walde, Michael; Zejda, Jaroslav
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an apparatus for passing a discoidal workpiece into and out of a coating chamber through a lock and for shifting the workpiece into and out of the range of a coating source a, swiveling arm is journaled for movement about a vertical axis on the top of the coating chamber. The ends of the swiveling arm have jacks bearing workpiece holding plates which transport the workpiece to an opening in the coating chamber. The workpiece holders are adapted to close off the opening from above. A turntable which can swivel about a vertical axis in the interior of the coating chamber has recesses on its top side for accommodating the workpieces. Lifting plates are journaled in these recesses and can be …
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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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.