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US Patent: 1,801,326
Guard for planing machines
Patentee:
Onesime Boisvert (exact or similar names) - East Providence, RI

USPTO Classifications:
144/251.3

Tool Categories:
woodworking machines : cutter head machines : jointers
woodworking machines : woodworking machine parts or accessories : woodworking machine safety guards

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 10, 1930
Granted: Apr. 21, 1931

Patent Pictures: [ 1 | 2 ]
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Description:
This cleverly designed jointer guard solves the problem with a porkchop-style guard: when the fence is moved to expose a minimum of cutter-head, the guard sticks out. This guard folds up, each segment nesting into the segments to its left. Each segment has a leaf spring to keep it in position over the cutterhead.

An example has been seen in photographs; it does not appear to have any maker's mark. For a slightly earlier example of the same general design, see patent 1,788,663.

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