Switch and cable actuator
CA 1109107 A · Owner: Singer Company (The) · Inventors: Comerford, John; Lauritsen, Richard L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The actuating knob is biased to a center (off) position and can be actuated in opposite directions in each of two planes. Actuation in one plane serves to actuate either of two switches. Actuation in the other plane will actuate either of the same two switches but prior to actuating the switch will mechanically actuate a transmission through a Bowden cable. The cable wire is connected to the free end of each of two levers pivoted on the mounting bracket. Each lever is engaged by a pin protruding from a disc carried on the end of a cylinder rockably mounted in the switch casing and actuated by the knob. When the cylinder is moved from its normal mid position, one of the pins lifts the lever …
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 September 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 1998.
- 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.