Periscope rear view helmet and helmet adapter

Details Periscope rear view helmet and helmet adapter Periscope rear view helmet and helmet adapter

1975-04-09

1976-09-07

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2DIG8, 350304, A42B 302, G02B 508

Patent

active

039785262

ABSTRACT:
A head helmet including a head protective shell having a crown and a brim defining the top of an open facial area with a frontal area of the shell extending downwardly from the crown to the brim extremity. A mirror optical system is supported in a tunnel disposed forwardly of the frontal area of the shell and includes a scanning mirror positioned adjacent the crown for receiving rearward images and reflecting the images downwardly to a reflecting mirror positioned adjacent the brim extremity and facing generally upwardly toward the scanning mirror for reflecting the rearward images from the scanning mirror generally upwardly and forwardly to a viewing mirror positioned above and forwardly of the reflecting mirror and the brim extremity and generally facing rearwardly and downwardly for reflecting the rearward images from the reflecting mirror into the open facial area to the wearer's eyes whereby the image line between the wearer's eyes and the viewing mirror crosses the image line between the reflecting mirror and the scanning mirror.

REFERENCES:
patent: 2522938 (1950-09-01), Francis et al.
patent: 3712714 (1973-01-01), Uyeda et al.
patent: 3804495 (1974-04-01), Rayow et al.

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