Assembly for removably attaching flexible cutting line element in grass trimmer
CA 1098721 A · Owner: Benchmark Tool Company · Inventors: Smith, Richard T.; Jacyno, Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A grass trimmer employing a short length of nylon or the like line as the cutting element includes an assembly for removably attaching the line to a rotatable drive member. A hub member is coupled to the drive member for rotation. A post member extends from the free end of and parallel to the axis of rotation of the hub member. A rim portion also formed on the hub member extends along a, portion of the periphery thereof and defines a radially extending aperture therethrough. A length of line to be attached for rotation includes an eyelet connector at one end thereof. The opposite end of the line is received in the aperture in the rim portion so that the line …
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 April 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 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.