Automatic bar feeder for multispindle lathes
CA 2411357 A1 · Owner: Pietro Cucchi S.P.A. · Inventors: Cucchi, Pietro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic bar feeder for automatic multispindle lathes comprises a revolving drum (12) supporting guides (15) for the running of bars to take them in succession into positions of advancement and machining in a lathe. The guides (15) are equipped with a running bar pusher (17) powered with a hydraulic motor (18) for running of the bars therein. The feeder (10) comprises a first sensor unit (21) which emits signals which are a function of the position of an advancing bar. The signal is received by a control device (23) which commands a proportional flow rate valve (24) for fluid feed to the hydraulic motor to control the movement of the bar by feedback.
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
- Filed November 7, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 7, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 7, 2024.
- 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.