Tripod and locking tripod leg therefor
CA 1318903 C · Owner: Sachtler Corporation Of America · Inventors: O'Connor, Chadwell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tripod leg has upper and lower portions with the upper portion being secured at its upper end to the tripod head and having a housing guide at its lower end. The lower leg portion slides in the housing guide to adjust the total length of the leg. The lower leg portion is firmly clamped to minimize bending deflection. A strip of teeth on the lower leg portion are selectively engaged by elements on a locking block in the housing guide to fix the leg length, and the locking block is controlled from the top of the upper leg portion. Each leg of the tripod can be adjusted separately, or all three legs can be simultaneously adjusted. A biased toggle linkage in the housing guide moves the …
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 June 8, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 8, 2010.
- 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.