Welder's hood having a chin operated window closure

Details Welder's hood having a chin operated window closure Welder's hood having a chin operated window closure

1986-09-10

1987-09-22

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2 9, A61F 906

Patent

active

046945075

ABSTRACT:
A mechanism for opening and closing a window closure member (12) in a welder's helmut (10) by movement of the welder's chin. The helmet is provided with a chin engaging member (18), (20) which is attached to one end of an arm (24) by a rod (26). The arm (24) is pivotally connected to the helmut. As the welder lowers his chin against the chin engaging member, a roller (30) attached to the other end of pivoting arm (24) applies an opening force via rod (26) to the lower inner face of the window closure member (12) thus forcing the closure member to swing open about hinges (14). The chin engaging member is biased against the welder's chin by a spring (40). Thus an upward movement of the welder's chin will allow the window closure member (12) to return to a closed position.

REFERENCES:
patent: 2896215 (1959-07-01), Fernandez
patent: 3086213 (1963-04-01), Crozat et al.
patent: 3339207 (1967-09-01), Perry
patent: 3490071 (1970-01-01), Marshall
patent: 3517392 (1970-06-01), Hodge et al.
patent: 3775774 (1973-12-01), Herman
patent: 4539713 (1985-09-01), Hodge

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