Cutting apparatus for cutting paved road
CA 2419970 A1 · Owner: Kodama, Toshiharu · Inventors: Yamamoto, Takanobu; Bando, Kiyoshi; Kodama, Toshiharu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Geometric relations among components of a wheel angle shift mechanism of a cutting apparatus for cutting paved roads are theoretically determined by utilizing trigonometric and inverse trigonometric functions so that wheel angles are changed and fixed by a one-touch handling for a precise circular or straight movement of the cutting apparatus for a circular or straight cutting operation. Based on calculations the cutting apparatus is arranged as follows. A support axis of a centering jig 8 is detachably inserted, into a support point S0, being functioned as a cutting center of a chassis BS, equipped with two pairs of front wheels and a pair of rear wheels. A wheel angle shift mechanism K …
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
- Filed February 26, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 26, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 2025.
- 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.