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US Patent: 326,889
Dwight Slate - Hartford, CT

USPTO Classifications:
409/57, 409/61, 451/147, 451/374

Tool Categories:
metalworking machines : gear making machines

E. Horton & Son Co. - Windsor Locks, CT

Not known to have been produced

B. S. Woodward
Charles L. Burdett
Edwin L. Dimock

Patent Dates:
Applied: Nov. 13, 1883
Granted: Sep. 22, 1885

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Dwight Slate Machine Co.
Machinery magazine article on Dwight Slate
Simonds & Burdett - patent attorneys

I claim as my invention—

In a gear-cutter, in combination, a disk shaped chuck arranged in a horizontal plane and having a central supporting-shaft, and a vertically adjustable supporting-rest arranged beneath the rim of the chuck, substantially as described.

In combination with a rocking bed formed with guide ways and mounted on bearings on the frame and adjustable in a vertical plane on its bearings, and a reciprocating head-piece adapted to move within the guides on said rocking bed, a rotary cutter mounted on bearings in said head-piece and vertically adjustable therein, substantially as described, and for the purpose stated.

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