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US Patent: 1,916,118
Lapping Machine
Patentees:
Albert E. Robinson (exact or similar names) - Cincinnati, Hamilton County, OH
William G. Hoelscher (exact or similar names) - Norwood, Hamilton County, OH

USPTO Classifications:
451/114, 73/162

Tool Categories:
metalworking machines : gear lapping machines
metalworking machines : grinders : lapping machines

Assignees:
American Tool Works Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 02, 1932
Granted: Jun. 27, 1933

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for American Tool Works Co.
Description:
Claim:

In a gear lapping machine, the combination of a pair of arbors, means for mounting meshing master gears about the axes of rotation of said arbors, means for mounting meshing gears to be lapped about the axes of rotation of said arbors, arranged to form rotative connections between said gears including a pair of rotative members, means for adjusting the angular relations between said rotative members, and resilient resistant means acting on the latter.

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