US Patent: 803,304 - Grinding Machine


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US Patent: 803,304

Grinding Machine

Patentees:

Walter J. Muncaster (exact or similar names) - Cumberland, Allegany County, MD

Lawrence A. Fletcher (exact or similar names) - Cumberland, Allegany County, MD

USPTO Classifications:

29/DIG.93, 451/278

Tool Categories:

specialty machines : glass grinding machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Dec. 20, 1904
Granted:	Oct. 31, 1905

Patent Pictures:

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Description:

Abstract:

This invention pertains to a machine for grinding the mouths or edges of tumblers and like glasses.

Claim:

In combination with a grinding-wheel and a chuck or holder movable toward and from said wheel and adapted to carry a glass, a stationary rod extending through the base of the chuck and adapted when said chuck is lowered to engage the glass and arrest its movement while the chuck makes further descent, thereby starting the glass from its seat.