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US Patent: 504,742
Machine for Boring Cylinders and Turning the Flanges Thereof
Patentees:
William Alfred Pearn (exact or similar names) - Gorton, Lancaster County, Lancaster England
Frank Pearn (exact or similar names) - Gorton, Lancaster County, Lancaster England

USPTO Classifications:
29/27B, 29/27R, 82/123, 82/131, 82/132, 82/137, 82/142

Tool Categories:
metalworking machines : drilling and boring : horizontal boring mills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. G. Dieterich
B. W. Sommers
Peter J. Livsey
William Faulkner

Patent Dates:
Applied: Jan. 13, 1893
Granted: Sep. 12, 1893

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Patented in England, 25 Nov 1891, Patent # 20,498,.

Abstract:

Our invention has relation to metal working machines, and more particularly to machines for boring cylinders or other castings and facing or turning and boring the flanges thereof.

Claim:

In a machine of the class described, the combination with the live spindle, a tool stock carrier revoluble with the spindle, and a tool stock having motion on the carrier in a plane perpendicular to the longitudinal axis of the spindle; of mechanism controlled by said live spindle adapted to impart a continuous rectilinear motion to the tool stock.

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