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Patent Searching and Data


Title:
HYDRAULIC TOOL
Document Type and Number:
WIPO Patent Application WO/2017/118444
Kind Code:
A1
Abstract:
A hydraulic tool (1), comprising: an operation unit (30), suitable for performing an operation on a workpiece; a drive unit (20), constructed to drive the operation unit (30), and comprising a housing and a movable portion (23, 25) which is arranged within the housing and moves between an initial position and a final position; a connection unit (26), connecting the operation unit (30) and the drive unit (20); a switch device (10), rotating between a first position and a second position. When the switch device is in the first position, the movable portion of the drive unit has a first stroke from the initial position to the final position, and when the switch device is in the second position, the movable portion of the drive unit has a second stroke which is smaller than the first stroke. The hydraulic tool can change stroke, and is suitable for a variety of applications or workpieces.

Inventors:
ZHOU, Qi (No. 89, Jiangtian East Road Songjiang Industrial Zone, Shanghai 3, 201613, CN)
CHEN, Leihua (No. 89, Jiangtian East Road Songjiang Industrial Zone, Shanghai 3, 201613, CN)
Application Number:
CN2017/074719
Publication Date:
July 13, 2017
Filing Date:
February 24, 2017
Export Citation:
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Assignee:
EMERSON PROFESSIONAL TOOLS (SHANGHAI) CO., LTD. (No. 89, Jiangtian East Road Songjiang Industrial Zone, Shanghai 3, 201613, CN)
International Classes:
B25B27/02; B23D29/00; B25B5/04; B25B5/16
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (7th Floor, Scitech PlaceNo.22, Jian Guo Men Wai Ave., Chaoyang District, Beijing 4, 100004, CN)
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