Patent ID: 9546885
Date: 2017-01-17
CPC Classifications: G01D

Claim:
1. An encoder aligning apparatus, comprising: a first support member connected to a moveable unit moveable along a base; a second support member connected to the first support member through a resilient member, the second support member being provided with an encoder facing a linear scale attached to the base; and an adjustment member penetrating the first support member to contact the second support member and adapted to adjust a distance and an angle between the first support member and the second support member so as to properly align the encoder with the linear scale; wherein the apparatus includes at least three adjustment members; wherein at least two points of the second support member that contact the adjustment members include a contact groove; and wherein one of the contact grooves has the shape of an inverted cone, and another one of the contact grooves has the shape of an inverted quadrangular pyramid.