Contact ledge for safety gate of injection molding machine
CA 1164614 A · Owner: Hehl, Karl · Inventors: Hehl, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive-reversing safety mechanism using a pivotable contact ledge on the leading edge of a mechanically openable and closable safety gate of an injection molding machine the pivot axis being arranged at a flange corner of the safety gate, where the channel-shaped contact ledge engages the outside of the corner with a fillet of a ledge fold. An adjacent positioning flange of the contact ledge is yieldingly clamped to the safety gate by means of pins and compression springs. An actuator plate attached to the contact ledge cooperates with a switch controlling the safety gate drive.
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 April 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2001.
- 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.