US Patent: 3,049,839 - Air actuated platen for sanding machines


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US Patent: 3,049,839

Air actuated platen for sanding machines

Patentee:

Orson W. Smith (exact or similar names) - Seattle, WA

USPTO Classifications:

451/301, 451/350

Tool Categories:

woodworking machines : sanding machines

Assignees:

Smithway Machine Co., Inc. - Seattle, WA

Manufacturer:

Smithway Machine Co. - Seattle, WA

Witnesses:

Unknown

Patent Dates:
Granted:	Aug. 21, 1962

Patent Pictures:

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Vintage Machinery entry for Smithway Machine Co.

Description:

According to a family member, the inventor is the son of Smithway founder O. P. Smith. This patent is for a sander for face-sanding plywood sheets.

"This invention relates to panel sanding machines. More particularly, it has reference to improvements in contour sanding machines of those types wherein a continuous abrasive belt of the full width of the panel, operates about belt mounting rolls and is positioned thereby to engage in sanding contact with a surface of each panel as successively advanced through the machine; such panels generally having a width of four feet and length of from six to twelve feet."