US Patent: 231,331 - Adjustable Frog for Plane Cutter Adjustments


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 231,331

Bench Plane
Adjustable Frog for Plane Cutter Adjustments

Patentee:

Frederic Kraengel (exact or similar names) - Buffalo, NY

USPTO Classifications:

30/489

Tool Categories:

woodworking tools : planes : plane adjustment mechanisms : plane throat adjustments

woodworking tools : planes : plane adjustment mechanisms : plane cutter adjustments

Assignees:

Emil Jetter - Buffalo, NY

Albert Jetter - Buffalo, NY

Manufacturer:

Not known to have been produced

Witnesses:

Michael J. Stark

Hattie L. Walker

Frank Hirsch

Patent Dates:
Applied:	Apr. 30, 1880
Granted:	Aug. 17, 1880

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Steve Reynolds

Description:

Kraengel provides a carriage (effectively a frog) for supporting the cutter. The carriage is adjustable forwards and backwards to vary the mouth opening and the angle of the cutter.