Impact drive sprinkler
CA 1209620 A · Owner: Rain Bird Sprinkler Mfg. Corp. · Inventors: Brown, Richard D.; Christen, Hans D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An impact drive sprinkler is provided for projecting a water stream in a generally upward and outward direction from a water supply riser. The sprinkler includes a sprinkler body formed from a length of tubing (12) mounted for rotation on the riser (16) wherein the tubing is bent at a selected angle to define a smooth, substantially uninterrupted flow path (14) from the riser (16) to a discharge nozzle (18). An impact drive assembly (20) is mounted on the tubing (12) and includes a spring-biased drive arm (22) formed preferably from inexpensive stamped metal parts for interrupting the projected water stream at regular intervals and for impacting the tubing (12) to rotate the tubing in …
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 August 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 2003.
- 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.