Spring compressor
CA 1049237 A · Owner: K-D Manufacturing Company · Inventors: Diffenderfer, Walter L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In spring compressors it is known to utilize hydraulic or, pneumatic actuation. In this invention a spring compressor especially, adapted for use with MacPherson strut assemblies comprises two parallel end plates having apertures sized to allow the insertion of the tubular shock assembly of the MacPherson strut assembly and engaging the housings containing the ends of the spiral spring of the strut assembly. The two end plates are joined by threaded support rods which allow the perpendicular distance between the two end plates to be varied to compress the spring as desired. Pivoted latches allow the quick insertion or removal of the MacPherson strut assembly from the spring compressor. …
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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 February 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
- 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.