Method of altering the worm wheel depth on a watthour meter
CA 1298335 C · Owner: Howell, Chesley R. · Inventors: Howell, Chesley R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The tooth depth of a gear meshing with a worm wheel such as used in an electricity meter register is adjusted by, providing a mounting plate for holding the shaft of the toothed gear having a limited range of motion for adjusting the distance of the gear from the worm. The toothed gear has one end of its shaft attached to a mounting plate having a Jshaped cutout provided along one edge. The shaft of the gear is mounted to the "hook" portion of the cutout. Movement of the J-shaped cutout in a direction within the plane of the mounting plate causes a corresponding change in the distance of the toothed gear from the worm, thus enabling the mesh depth between the gear and the worm to be easily …
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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
- 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.