Patent ID: 8544911
Filing Date: 2013-10-01
Classification: B25B

Abstract:
1. A holding device, comprising: a fixing base; a rotary driving member mounted on the fixing base; a first positioning member mounted on the fixing base comprising a positioning portion; a first holding assembly driven by the rotary driving member and rotating about a rotation axis, the first holding assembly comprising a holding portion and a driving member driving the holding portion; a second holding assembly driven by the rotary driving member and rotating about the rotation axis, the second holding assembly comprising a holding portion and a driving member driving the holding portion of the second assembly; and a second positioning member connecting the first holding assembly and the second holding assembly to the first positioning member, wherein the second positioning member comprises an engaging portion engaging with the positioning portion, the positioning portion and the engaging portion are away from the rotation axis by a predetermined distance, the first positioning member moves relative to the second positioning member to engage with the second positioning member to position the first holding assembly and the second holding assembly, and the first holding assembly and the second holding assembly are capable of moving separately to complete different tasks.