Slidable boring tool with fine adjustment
CA 2483302 A1 · Owner: Reliance Machine Company · Inventors: Baker, Joseph; Cardemon, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus for fine adjustment of the position of the cutting tool (35) includes a CNC boring machine, a cutting tool (35) which is slidably coupled to the coupling member (45), and a slidable adjustment member (21). A frictional force resists sliding movement of the cutting tool (35). The frictional force is sufficient to retain the position of the cutting tool (35) during machining operations. However, the frictional force is insufficient to resist an adjusting force applied to the adjustment member (21). Sliding motion of the adjustment member (21), either by pulling or pushing it results , in movement of the cutting tool (35). In one embodiment the cutting tool (35) …
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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
- Filed April 25, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 25, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 25, 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.