Face shield filter plate retention

Details Face shield filter plate retention Face shield filter plate retention

A - Human Necessities

61

F

2/79, 88/42.4

A61F 9/06 (2006.01) A61F 9/02 (2006.01) G02C 7/16 (2006.01)

Patent

CA 2030389

In face-protecting devices such as welder's shields and helmets, a filter plate is supported on a support ledge surrounding the view port and is retained on the exterior of the device by a filter plate retainer provided with fastening means for attachment to the device.

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