US Patent: 152,364 - Improvement in hand-planers


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US Patent: 152,364

Improvement in hand-planers

Patentee:

Jonathan P. Grosvenor (exact or similar names) - Lowell, MA

USPTO Classifications:

144/129

Tool Categories:

woodworking machines : cutter head machines : jointers

Assignees:

None

Manufacturer:

Jonathan P. Grosvenor - Lowell, MA

Witnesses:

John S. Thornton

William Ventz

Patent Dates:
Applied:	Mar. 13, 1871
Granted:	Jun. 23, 1874

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for J. P. Grosvenor.

Description:

This invention is for the use of an inclined wedge-shaped bed for the infeed table of a jointer. This seems to be the first appearance of a wedge-bed design.

The patent disclaims (i.e., acknowledges the primacy of) Climer and Riley's patent 59,966 and Frank Douglas's patent 105,657.