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US Patent: 2,308,352
Grinding tool speed reducer
Patentees:
Gilbert E. Sears (exact or similar names) - Cleveland, OH
John Y. Blazek (exact or similar names) - Bedford, OH

USPTO Classifications:
451/441, 74/665S

Tool Categories:
trade specific : vehicle repairer : vehicle mechanic : crankshaft maintenance

Assignees:
Lempco Products, Inc. - Bedford, OH

Manufacturer:
Lempco Products, Inc. - Bedford, OH

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 11, 1940
Granted: Jan. 12, 1943

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Lempco Products, Inc.
Description:
The invention is a "speed reducer adapted for use in conjunction with a crankshaft grinding tool of the type comprising a split ring-like member having abrasive material along the inner periphery thereof, which member is adapted for rotation about a crankshaft pin." That type of grinding tool is seen in Lempco patents 2,179,465 and 2,171,417.

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