US 11,745,981 B2
Mounting apparatus for safety brake
Javier Muñoz Sotoca, Madrid (ES); Tanjil Mustafa, New Britain, CT (US); and James M. Draper, Woodstock, CT (US)
Assigned to OTIS ELEVATOR COMPANY, Farmington, CT (US)
Filed by Otis Elevator Company, Farmington, CT (US)
Filed on May 6, 2020, as Appl. No. 16/867,806.
Claims priority of application No. 19382352 (EP), filed on May 8, 2019.
Prior Publication US 2020/0354192 A1, Nov. 12, 2020
Int. Cl. B66B 5/18 (2006.01); B66B 5/16 (2006.01)
CPC B66B 5/18 (2013.01) [B66B 5/16 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An elevator car or counterweight, comprising a frame, the frame comprising an upright structure in which a safety brake is mounted so as to allow for lateral movement of the safety brake relative to the upright structure;
a first vertically or obliquely extending cantilever spring;
a second vertically or obliquely extending cantilever spring separate from the first cantilever spring;
wherein a first end of the first cantilever spring is mounted to the upright structure and a first end of the second cantilever spring is mounted to the upright structure; and
wherein the first cantilever spring is arranged such that a point remote from the first end provides a biasing force to the safety brake when the safety brake moves away from a default position;
wherein a second end of the first cantilever spring is mounted to the safety brake with freedom to move vertically relative to the safety brake.