Manufacturers Index - Beaver Power Tools, Callander Foundry
Beaver Power Tools, Callander Foundry
Guelph, ON, Canada
Manufacturer Class:
Wood Working Machinery & Metal Working Machinery
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
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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
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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.
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213,309
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Sep. 13, 1921
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Clamp for metal pipes
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Hugh B. Callander |
ON, Canada |
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289,145
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Apr. 30, 1929
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Conduit outlet box
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Malcolm Callander |
ON, Canada |
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350,179
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May. 14, 1935
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Motor mounting
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John Scott Callander |
ON, Canada |
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413,342
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Jun. 22, 1943
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Conduit box
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Paul George Rudolf Ringert |
ON, Canada |
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419,293
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Mar. 28, 1944
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Wire entrance fitting
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Paul George Rudolf Ringert |
ON, Canada |
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2,536,627
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Jan. 02, 1951
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Woodworking machine blade guard
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William Copp |
ON, Canada |
Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Mfg. Co. in 1953. |
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2,575,250
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Nov. 13, 1951
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Woodworking tool fence supporting structure
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William Copp |
ON, Canada |
Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Mfg. Co. in 1953. |
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2,617,453
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Nov. 11, 1952
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Jig saw
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William Copp |
ON, Canada |
Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Mfg. Co. in 1953. |
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2,625,966
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Jan. 20, 1953
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Motor and belt drive for tilt arbor saws
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William G. Copp |
ON, Canada |
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2,652,966
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Sep. 22, 1953
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Motor and drive belt for tilt arbor saws
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William G. Copp |
ON, Canada |
Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Mfg. Co. in 1953. |
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499,489
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Jan. 26, 1954
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Tilt arbor saw
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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. |
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