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US Patent: 2,263,423
Sheet Metal Smoothing Machine
Patentee:
William J. Kattrein (exact or similar names) - Albany, Albany County, NY

USPTO Classifications:
173/138, 173/211, 173/31, 269/14, 72/447

Tool Categories:
metalworking machines : sheet metal

Assignees:
Watervliet Tool Co. - Albany, Albany County, NY

Manufacturer:
Watervliet Tool Co. - Albany, Albany County, NY

Witnesses:
none listed

Patent Dates:
Applied: May 13, 1936
Granted: Nov. 18, 1941

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
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Description:
Abstract:

The important advantage in the present machine relates to the provision of means whereby the hammer and its support unit may be rapidly raised and depressed relative to the co-acting dolly and the work, thus to enable the tool to be quickly set to the work, without removal of any of the tool parts thereof, thus to quickly provide a major clearance for removal or placement of the complete tool.

Claim:

A sheet metal smoothing machine comprising a bearing member, a hammer member supported for reciprocal -motion therein, means for holding said second member in normally raised position in said bearing and means for depressing and locking said second member in said bearing when in depressed position, and an adjustable stabilizing base on the lower end of said second member.

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