Nutating drive
CA 1104376 A · Owner: Caterpillar Tractor Co. · Inventors: Hanson, Edwin E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nutating drive includes an outer rotatable structure rotatable about an axis and having a generally cylindrical cavity therein, an axis of the cavity being inclined to the axis of rotation of the rotatable structure. A generally cylindrical nutatable member is mounted within the cavity and a generally conical surface of a complementary member is in driving contact with a generally cylindrical surface of the nutatable member. The complementary member has an output shaft generally coaxial with the axis of the rotatable structure. The nutatable member is constrained against rotation while nutating upon rotation of the rotatable structure by means of a number of balls which are partly located …
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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 July 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 1998.
- 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.