Blind fastener with lock groove
CA 1268359 C · Owner: Huck Manufacturing Company · Inventors: Dixon, Richard D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A blind fastener including a pin and a sleeve and having grip compensating means for accommodating workpieces varying in total thickness and having means for expanding the sleeve for filling the clearance between the fastener and associated openings in the workpieces and at the same time providing material from the sleeve in the area of expansion to define a lock between the pin and the sleeve. The grip compensating means is separate from the pin and is generally tubular in construction with a portion adapted to provide radial deformation. The construction is such that the pin will travel the same amount regardless of whether the fastener is used in the minimum grip or maximum grip …
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 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2007.
- 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.