Periscopic sight with support means for elevation adjustment mou

Details Periscopic sight with support means for elevation adjustment mou Periscopic sight with support means for elevation adjustment mou

1989-07-25

1990-12-18

Henry, Jon W.

89 3614, G02B 2308, G02B 2316

Patent

active

049782061

ABSTRACT:
A periscopic sight comprising a base having a mounting aperture defining a first axis, first support apparatus mounted in association with the mounting aperture for rotation therein about the first axis, second support apparatus mounted in association with the first support apparatus and defining a second axis substantially perpendicular to the first axis and a periscope passing through the mounting aperture and defining a longitudinal axis coincident with the first axis and mounted within the second support apparatus for rotation about the second axis between predetermined limits.

REFERENCES:
patent: 1341683 (1920-06-01), Styll
patent: 2390516 (1945-12-01), Crawford
patent: 2546111 (1951-03-01), Rattray
patent: 3493296 (1970-02-01), Albert
patent: 3602088 (1971-08-01), Spring

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