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Manufacturers Index - Beaver Power Tools, Callander Foundry

Beaver Power Tools, Callander Foundry
Guelph, ON, Canada
Manufacturer Class: Wood Working Machinery & Metal Working Machinery

Patents
This page contains information on patents issued to this manufacturer.

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If you find a patent number or patent date by this manufacturer that is not on this list, please contact the Site Historian.


Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
213,309 Sep. 13, 1921 Clamp for metal pipes Hugh B. Callander ON, Canada
289,145 Apr. 30, 1929 Conduit outlet box Malcolm Callander ON, Canada
350,179 May. 14, 1935 Motor mounting John Scott Callander ON, Canada
413,342 Jun. 22, 1943 Conduit box Paul George Rudolf Ringert ON, Canada
419,293 Mar. 28, 1944 Wire entrance fitting Paul George Rudolf Ringert ON, Canada
2,536,627 Jan. 02, 1951 Woodworking machine blade guard William Copp ON, Canada Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Manufacturing Co. in 1953.
2,575,250 Nov. 13, 1951 Woodworking tool fence supporting structure William Copp ON, Canada Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Manufacturing Co. in 1953.
2,617,453 Nov. 11, 1952 Jig saw William Copp ON, Canada Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Manufacturing Co. in 1953.
2,625,966 Jan. 20, 1953 Motor and belt drive for tilt arbor saws William G. Copp ON, Canada
2,652,966 Sep. 22, 1953 Motor and drive belt for tilt arbor saws William G. Copp ON, Canada Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Manufacturing Co. in 1953.
499,489 Jan. 26, 1954 Tilt arbor saw William G. Copp ON, Canada This is the Beaver model 2200 tablesaw. The patent covers the motor mount that keeps the motor in line with the arbor pulley as the blade is tilted. The motor does not itself tilt but rather moves both laterally and longitudinally to maintain constant belt tension.