公开(公告)号：US3930645A

公开(公告)日：1976-01-06

申请号：US522698

申请日：1974-11-11

Applicant: Raymond Anderson

Inventor： Raymond Anderson

IPC: B25J1/04 ,  E04F21/18 ,  F16M13/00 ,  B25J3/00

CPC classification number: B25J1/04 ,  E04F21/1805 ,  E04F21/1833

Abstract: An elevator and support device is disclosed wherein a required adjustment may be conveniently made by a single operator without substantially disturbing his position. Devices such as disclosed in the subject invention find application in the installation of ceiling tiles and other building materials usually attached to overhead rafters and ceiling beams. Prior art devices have been cumbersome and/or complicated and expensive and most have required at least two operators in order to effectuate a fine adjustment of the holding device. The present invention provides fine adjustment capabilities requiring the attention of only one operator.

Abstract translation: 公开了一种电梯和支撑装置，其中可以由单个操作者方便地进行所需的调节，而基本上不干扰他的位置。 在本发明中公开的装置可用于安装通常连接到架空椽子和天花板横梁上的天花板瓦和其它建筑材料。 现有技术的装置是麻烦和/或复杂和昂贵的，并且大多数需要至少两个操作者以实现保持装置的微调。 本发明提供了仅需要一个操作者注意的精细调整能力。