Patent ID: 9643815
Date: 2017-05-09
CPC Classifications: B66B

Claim:
1. An elevator safety comprising: a first brake member having a braking surface for engaging a rail; a block, the first brake member secured to the block; a plurality of shims located between the first brake member and the block to control a gap between the first brake member and the block, the plurality of shims being positioned in the gap between the first brake member and the block; the first brake member having grooves on a back surface, the back surface opposite the braking surface; the plurality of shims being positioned in the grooves; a first adjustment control device for adjusting the position of the first brake member relative to the block along an axis normal to a braking surface of the first brake member; and a second adjustment control device for changing the position of the plurality of shims relative to the first brake member along an axis parallel to a braking surface of the first brake member, the second adjustment control device moving the plurality of shims from a location entirely within the grooves to a position partially within the grooves.