Hydraulic vibrator
CA 1057162 A · Owner: Zinga Industries Inc. · Inventors: Zinga, William L.; Thompson, Raymond C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluid-operated vibrator having improved structure for lubricating the bearings of an eccentric portion thereof. A portion of the pressurized fluid delivered to the drive motor of the vibrator is bypassed through the drive shaft of the motor. After lubricating the bearings the lubricant fluid, is returned to the exhaust fluid line. The bypass passage may effectively define a pressure drop restrictor for improved lubrication of the bearings. The inlet and outlet to the motor may be connected to a conduit structure having an outer exhaust conduit and a supply conduit extending longitudinally within the exhaust conduit.
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 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 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.