Apparatus for converting rotary motion into axial motion
CA 1305874 C · Owner: Deutsche Forschungs- Und Versuchsanstalt Fur Luftund Raumfahrt E.V. · Inventors: Gombert, Bernd; Dietrich, Johannes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for converting rotary motion into axial motion includes a spindle with an external contour and a nut with an Internal profile end interposed contoured rollers which have two different contours, one of which produces an axial connection with the contour of the spindle and the other of, which produces a corresponding axial connection with the contour of the interior of the nut. It is preferred that the contour on the interior of the nut be in the form of relatively coarse grooves of V-shaped cross section with one, simple thread on the exterior of the spindle. Coarse grooves corresponding to and fitting the coarse grooves on the interior of the nut, alternating with a number of …
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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 August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 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.