Battery-operated child's swing
CA 1204458 A · Owner: Graco Metal Products, Inc. · Inventors: Saint, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract Of The Disclosure A child's swing or the like of the type having a supporting frame and a horizontal pendulum axle journaled in the frame and from which a seat is suspended. A motor is mounted on the horizontal pendulum axle for movement with the axle. A crank is mounted on the axle for movement with the axle, and is driven for rotation with respect to the axle by the motor. A torsional spring is fixedly mounted with respect to the frame. The spring is in spaced relation to the axis of the horizontal pendulum axle and is substantially parallel to it. A sliding coupling couples the crank to the torsional spring. Rotation of the crank imparts a force to the torsional spring through …
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 May 13, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 2003.
- 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.