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US 2018/0111236 A1Published application
Chuck mechanism
AssigneeSanoh Industrial Co., Ltd.
InventorGuang Ping LAN
Life of this patent
Estimating the term…
Abstract
A chuck mechanism enables downsizing of the device with a simple structure, has a wide open/close width of clamps, and hardly causes a dent or scar on pipes. The chuck mechanism includes a horizontally arranged shaft, a frame, a pair of dog leg shaped link members, parallel link members, a pair of clamp members, and a swing drive mechanism.
Claims7
A chuck mechanism comprising:
- a horizontally arranged shaft;
- a frame provided at a distal end of the shaft and protruding in an up and down direction of the shaft;
- a pair of dog leg shaped link members each having a bent portion protruded inward, and swingably supported at the bent portions respectively on an upper part and a lower part of the frame;
- parallel link members each having a rear end rotatably supported on the frame so as to be parallel to each of front parts of the pair of dog leg shaped link members;
- a pair of clamp members having clamp surfaces arranged opposite each other and rotatably supported, respectively, at a distal end of the dog leg shaped link member and at a distal end of the parallel link member arranged parallel to the dog leg shaped link member on the upper part, and rotatably supported at a distal end of the dog leg shaped link member and at a distal end of the parallel link member arranged parallel to the dog leg shaped link member on the lower part;
- and a swing drive mechanism causing rear parts of the pair of dog leg shaped link members to swing in directions in which the rear parts move apart from and closer to each other.
3 more elements
Dependencies are inferred from the claim text.