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Patent number:
Patent Date:
US Patent: 840,528
Double boring-machine
Patentee:
John T. Towsley (
exact
or
similar
names) - Cincinnati, OH
USPTO Classifications:
74/665R
Tool Categories:
woodworking machines
:
wood drilling and boring
Assignees:
None
Manufacturer:
John T. Towsley Mfg. Co.
- Cincinnati, OH
Witnesses:
Walter F. Murray
Agnes McCormack
Patent Dates:
Granted:
Jan. 08, 1907
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for John T. Towsley Mfg. Co.
Description:
Horizontal borer with one fixed spindle, and one spindle that rotates about the fixed spindle, and the distance between them can be varied.
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