Folding-type waist level finder

Claim 2

A foldable viewing hood for a reflex camera comprising a front cover hinged on the front side of the hood body to rotate between erected and folded positions thereof and having a pair of spaced sidewalls, a magnifier supporting plate hinged on said front cover and rotatable between a viewing position and retracted position in which said plate is parallel with side front cover, a rear cover hinged on the rear side of the hood body rotatable between erected and folded positions in accordance with the movement of said front cover and having a pair of spaced sidewalls adjacent respective sidewalls of said front cover, an upper projection on the upper end portion of at least one side walls of said rear cover, and being slidably engageable with said magnifier supporting plate, a first spring urging said rear cover to its erected position, a cam being formed by the edge of at least one of said sidewalls of said front cover, a lower projection on the lower end portion oF the rear cover side wall adjacent said one front cover sidewall engaging said cam due to the bias of said first spring, and a second spring urging said magnifier supporting plate to its viewing position, said magnifier supporting plate being simultaneously moved by said upper projection from its viewing position to its retracted position upon movement of said rear cover to its folded position.

Claim 3

A foldable viewing hood according to claim 1, wherein said upper and lower projections are bent portions of one of said sidewalls of said rear cover, said upper projection being bent inwardly and said lower projection outwardly.

Claim 4

A foldable viewing hood according to claim 1 wherein said front cover is hinged to the hood by a shaft fixed on the front side of the hood body, said spaced sidewalls of the front cover being formed with a first pair of elongated openings for receiving said shaft, a third spring urging said front cover to its erected position in which said fixed shaft is engaged with one end of said respective openings, said magnifier supporting plate being hinged on said front cover by a movable shaft secured to one end of said supporting plate, the spaced sidewalls of the front cover being formed with a second pair of elongated openings to receive the ends of said movable shaft, a fourth spring urging said movable shaft to the one end of said second pair of openings, a first latch for retaining said front cover in its folded position consisting of a first hooked member on the hood body and a second hooked member on said front cover, a second latch for retaining said magnifier supporting plate in its retracted position consisting of a third hooked member on said front cover and a fourth hooked member on said magnifier supporting plate, and a releasing member for said magnifier supporting member fixed on the hood body and engageable with the free end of said magnifier supporting plate only when said front cover is erected, said front and rear covers being permitted to rotate to the erected position by the sliding movement of said front cover is permitted to rotate to its viewing position by the sliding movement of said front cover in its open position.