Patent ID: 9157496
Filing Date: 2015-10-13
Classification: F16D

Abstract:
1. Rotary shaft brake system including: at least one rotary braking member attached to said rotary shaft and turning therewith, at least one first friction member and one second friction member arranged on either side of said at least one rotary braking member, each friction member being moveable between two extreme positions, a first “braking” position when the first friction member and the second friction member are in contact with the rotary braking member and a second “idle” position when they are moved away from the rotary braking member, a bracket for holding the first friction member and the second friction member on either side of the rotary braking member, means for guiding the movement of the first friction member and of the second friction member on the bracket, means for controlling the movement of the first friction member and of the second friction member between the extreme braking and idle positions thereof, including an actuator linked to a transmission system for controlling the first friction member and the second friction member, in which said actuator is a linear actuator acting on at least a first lever incorporated in series into said transmission system for controlling said at least first and second friction members, and in which the means for controlling the movement of the first friction member and of the second friction member between the extreme braking and idle positions thereof includes, incorporated in series into said control transmission system, an elastically deformable solid element that is able to accumulate potential mechanical energy in the control transmission system, the actuator being able to move, firstly, beyond a first control position of the actuator in which the first friction member and the second friction member reach the braking position thereof and, secondly, beyond a second control position of the actuator in which the first friction member and the second friction member reach the idle position thereof, causing elastic deformation of said deformable solid element under the effect of the linear actuator.