| 摘要 |
<p>Two-way elevator parachute which allows braking in both directions, upwards and downwards, comprised by a moving clamp (3), a moving clamp support (2) and between these a set of rollers (15, 16) which allow them to move without friction, and also provided with an anchoring system for box (1) and the chassis which consists of a set of caps which allow a play between the box and the chassis, and also provided with a drive subunit, consisting of a lever (24) and a drive connection rod (25) which are meant to transmit the drive force and block any spontaneous unblocking which may occur during operation in an upwards direction. In addition it is provided with a knurled pulley (6) with a shaft (7), as well as a flat clamp (5) and its support (4).</p> |
