Patent ID: 9451156
Filing Date: 2016-09-20
CPC Classification: G02B,G03B,H04N

Claim Text:
1. A focus assembly for a magnification device, the assembly comprising: a housing with front and rear surfaces, a display screen within the front surface, a camera opening within the rear surface, the housing being pivotally connected to a handle, the housing and handle having a first orientation wherein the handle and housing are in alignment, a second orientation wherein the handle and housing are angled with respect to one another, and a third orientation wherein the handle is folded against the rear surface of the housing; an optical sensor and a lens positioned within the housing, the sensor and lens being in registry with the camera opening, the distance between the optical sensor and lens constituting a focus distance; a pivotal clevis assembly positioned within the housing, the clevis having forward and rearward ends and a pivotal axle therebetween, the clevis having a pivotal range of movement, a spring biased actuator positioned at the rearward end of the clevis, the actuator having a distal end that extends through the rear surface of the housing, a lens cradle pivotally interconnected to the forward end of the clevis, the lens positioned within the lens cradle, a set screw positioned within the rearward end of the clevis for selectively adjusting the pivotal range of movement; whereby when the housing and handle are in the third orientation the actuator is depressed and the clevis is pivoted such that the lens moves towards the camera opening and the focus distance is thereby increased.