Adjustable stroke electric motor using stroke adjusting linkage means
CA 1081770 A · Owner: Honeywell Inc. · Inventors: Porter, Richard B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electric control motor which utilizes a reduction type of gear train to provide output motion to a shaft for positioning devices such as valves dampers, and other similar equipment is disclosed. This type of control motor is limited in rotation of the output shaft to less than 360 degrees so that the shaft can be used as a positioning force in numerous control applications. The total number of angular degrees rotated by the output shaft of the motor is readily adjustable by changing a potentiometer setting. In order to protect the motor, the linkages, and its load a limit, switch is also provided. A single stroke adjusting linkage that has a readily accessable location is used to …
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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 July 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 1997.
- 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.