| 摘要 |
An adjustable suspension support having a suspensible vertical cylinder, a coaxial shaft in the cylinder, a brake device on the upper end of the shaft, a grip device carried by the lower end of the shaft with an associated lever, a spacer tube between the brake and the grip, and at least one hanger on the support for holding an object. The brake means has a collar carrying spherical bearings and a plug on the end of the shaft retaining the bearings in the cage. The device is rotatable about its vertical axis and it is adjustable vertically by actuating the lever and exerting an upward force on the grip to release the brake.
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