Thread feeder
CA 1302068 C · Owner: Sarfati, Alberto G. · Inventors: Sarfati, Alberto G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a thread feeder having a storage member (1) to which the thread (F) is tangentially fed and from which the thread (F) is removed overhead the withdrawal, being effected under elastic fingers (5) through a ring (6) which is provided in the region of the head end of the storage member (1). In order to obtain easy variability of the blocking of removal, fingers (5) seated on the storage member (1) extend, protruding beyond the head end (4) of said member and spring, outward in the direction (x) of application against the ring (6) which is located beyond the head end (4).
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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 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.