Cam lock outlet gate
CA 2019249 A1 · Owner: Haag, Henry · Inventors: Haag, Henry; Galichowski, Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In accordance with the present invention a positive locking device is provided to prevent a sliding plate outlet gate from opening while the car is in transit or when stationary. The positive locking device is automatically engaged or disengaged when the capstan shaft is rotated. The device comprises a shaft with a capstan attached at each end of the shaft. A full sprocket and a portion of a sprocket is attached near to each end of the shaft next to, which a cam lobe is attached. A pivotally shaft of two cam-locks is generally concave configuration, and each is welded near each end of the shaft. A tension coil spring is attached to the pivotal shaft at each end and is loaded against the …
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 June 19, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2012.
- 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.