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US Patent: 4,192,104
Dust shroud
Patentee:
James K. Patenaude - Easthampton, MA

USPTO Classifications:
144/252.1, 29/DIG.84, 451/456, 83/100

Tool Categories:
metalworking machines : grinders : surface grinders

Assignees:
WIlderness Mold, Inc. - Northampton, MA

Manufacturer:
Electrotools, Inc. - Broadview, IL

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 10, 1978
Granted: Mar. 11, 1980

Patent Pictures:
USPTO pdf tiff
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Description:
"A vacuum unit comprises a dust confining shroud or casing which surrounds the major portion of a rotating abrading component and is provided with baffle means located relative to the component to define vacuum chambers on opposite sides of the component for effecting withdrawal of the objectionable generated dust from the work area."

This patent number was seen on a "VAC-U-GUARD" wheel shroud from Electrotools, Inc. The shroud is mounted on a surface grinder.

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