Driven tool lock mechanism
CA 2089688 A1 · Owner: Batten, Ronald W. · Inventors: Batten, Ronald W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a direct acting lock mechanism to secure a tool within a driver which is useful for securing open channel sockets used to securing aerospace fasteners in a driver. These sockets have a flatted shank typically, hexagonal in cross section, and are received in a socket receptacle of the driver which has a cross section matching that of the shank. In the preferred embodiment the flatted, surfaces of the shank are formed to have substantially coextensive flats which are displaced through an angular increment of at least about 15 degrees. The flats do not extend the entire length of the shank, however thus providing, a thin shelf which has a cross section which matches the …
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 February 17, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2015.
- 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.