Hammering screwdriver device with disengageable striking mechanism
CA 2278321 A1 · Owner: Rodcraft Pneumatic Tools Gmbh & Co. Kg · Inventors: Georgiou, Yiannis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hammering screwdriver 1 for tightening and loosening screws offers the possibility of operating the rotating action alone when tightening the screws, and a rotation/hammering action when loosening the screws. This is primarily attained by the construction of the cam controller casing 2 between which and the hammering mechanism cage 6 a ball 10 is arranged. With this exclusively rotating motion, this ball 10 lies in a salient 16 below an elevation 8 on the head end 7 of the cam controller casing 2. With rotation/hammering motion the ball 10 is moved, over the track 3 to the head end 7 of the cam controller casing 7 until it reaches the elevation. Here the cam controller casing 2 moves …
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 July 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 21, 2021.
- 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.