Patent ID: 6947191

Claim:
An angle-adjusting apparatus of a reflection mirror, comprising: a holding base plate; an affixing block, mounted on the holding base plate; a rotatable chassis, on which a reflection mirror is affixed, wherein the rotatable chassis has a hemispheric structure located at a center portion of the rotatable chassis and coupled to the affixing block, and the hemispheric structure has an extending portion at a periphery region, the extending portion extending along the reflection mirror; and a first adjusting set, comprising a first adjusting screw and a first elastic adjusting device, wherein the first adjusting screw is affixed onto the holding base plate and transpierces the holding base plate to hold the rotatable chassis at the extending portion, and the first elastic adjusting device holds the rotatable chassis at the extending portion opposite to the first adjusting screw, the angle-adjusting apparatus of a reflection mirror further comprising a first affixing screw for the first adjusting screw, locked onto the holding base plate, the first elastic adjusting device being fit in the first affixing screw for the first adjusting screw; wherein when the first adjusting screw is rotated in, the rotatable chassis rotates along a first direction and compresses the first elastic adjusting device, and when the first adjusting screw is rotated out, the rotatable chassis rotates along a direction opposite to the first direction and expands the first elastic adjusting device.