US Patent: 1,477,562 - Gear cutting


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US Patent: 1,477,562

Gear cutting

Patentees:

Fred W. Wappat (exact or similar names) - Pittsburgh, PA

Robert L. Hibbard (exact or similar names) - Pittsburgh, PA

USPTO Classifications:

409/44, 409/47

Tool Categories:

metalworking machines : gear making machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 24, 1922
Granted:	Dec. 18, 1923

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Fred W. Wappat

Description:

This invention gives improvements on the cutting of bevel gears. Co-inventor Wappat went on to become one of the first makers of handheld circular saws, but before that he manufactured gears. So far as we know the Wappat Gear Works did not manufacture their gear-cutting machines for sale.