Patent ID: 9064644
Filing Date: 2015-06-23
Classification: H01H

Abstract:
1. A holding structure for stopping an object from moving in a direction that is opposite an intended direction of movement of the object, the holding structure comprising: a gear rack member constructed and arranged to be coupled with the object for movement therewith, the gear rack member including at least a first set of teeth and at least one cam profile surface, a latch structure including at least one latch associated with the first set of teeth so as to engage and disengage the teeth, a cam follower fixed to the latch structure and constructed and arranged to engage the cam profile surface thereby defining the engaged or disengaged position of the latch with respect to the teeth, and a spring providing torque on the latch, wherein, the holding structure is constructed and arranged such that during movement of the object in the intended direction, the latch engages the teeth and is held in the engaged position by the spring so as to stop any movement of the object in the direction that is opposite the intended direction, otherwise, the spring is constructed and arranged to hold the latch in the disengaged position.