Retractable binoculars attachable to a visor

Details Retractable binoculars attachable to a visor Retractable binoculars attachable to a visor

1991-11-04

1993-01-19

Henry, Jon W.

Optical: systems and elements

Compound lens system

Telescope

359410, 359411, 351155, 2199, G02B 2318, A42B 124

Patent

active

051811391

ABSTRACT:
Retractable binoculars, to be used in combination with and attached to a visor, the binoculars being structured and fitted to be positioned between a collapsed, out of the way position on the under side of the visor, or an extended, viewing position wherein an individual may look through the binoculars supportably attached to the visor being worn. The retractable binoculars include a frame member having a pair of large, front, magnifying lenses retractably attached to a distal end thereof, and a pair of smaller, rear, eye-piece lenses attached retractably to a proximate end of the support frame, such that when the front lenses are retracted, the rear lenses are caused to be retracted. Further, the binoculars include various adjustment means for focusing and conforming the binoculars to an individual user, and are removably attached at a mounting bracket to the under side of the visor.

REFERENCES:
patent: 2598145 (1952-05-01), Steadman
patent: 2625855 (1953-01-01), Gaylor
patent: 2848924 (1958-08-01), Potez
patent: 3425769 (1969-02-01), Stone
patent: 4449787 (1984-05-01), Burbo et al.
patent: 4839926 (1989-06-01), Choi
patent: 4986644 (1991-01-01), Yang

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