| 摘要 |
The invention is an improved lock for a gripping device, for use by handicapped persons, with a lock-type member to improve safety. The gripping device consists of double acting jaws that grips the item to be picked up or lifted, a forward arm section, a rearward arm section, and a control mechanism to control the gripping action of the double acting jaws and the hinge action between the forward arm section and the rearward arm section. A lock-type safety member for the hinge action improves the safety factor when using the device. The device with the lock-type safety member can be operated with one hand. It can also be operated from a wheel chair.
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