US Patent: 152,393 - Improvement in sandpapering-machines


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US Patent: 152,393

Improvement in sandpapering-machines

Patentees:

Paul McBride (exact or similar names) - Williamsport, PA

Warren F. Brenizer (exact or similar names) - Williamsport, PA

USPTO Classifications:

451/172, 76/50.2

Tool Categories:

woodworking machines : sanding machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

C. D. Brewer

John F. Stevenson

Patent Dates:
Applied:	Feb. 23, 1874
Granted:	Jun. 23, 1874

Patent Pictures:

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Description:

"The object we have in view is the construction of a machine for smoothing and polishing moldings of various styles and sizes, and either straight or curved, in a more perfect manner; and our invention therein consists, principally, in the means employed to give an elastic adjustable pressure upon the rubbers; in the means employed to adapt the rubbers to either straight or curved molding of various styles and sizes; in means employed for giving movement to the moldings, and at the same to hold them upon the table by an elastic pressure; in pivoting the rubbing-block frame..."