4-jaw work holding lathe chuck
CA 1164194 A · Owner: Smith, Bernard · Inventors: Smith, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE "4-JAW WORK HOLDING LATHE CHUCK, ABSTRACT OF THE DISCLOSURE Locking mechanism for the adjusting mechanism of a 4-jaw work holding rotary chuck of the kind having oppositely disposed pairs of jaws normally adjusted in position with equal and opposite movement but having provision for differential adjustment of one of each pair of oppositely disposed jaws relative to the other the locking mechanism being constituted by a spring loaded driving member drivably connected to the adjusting mechanism and by a fixed element which the spring loaded driving member is capable of engaging non-rotatably, a turning moment applied to said spring loaded driving member in either direction being …
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 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- 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.