Positec Power Tools (suzhou) Co., Ltd.

China University of Mining and Technology

Stanley Black Decker, Inc.

Positec Power Tools Co., Ltd.

Yu Wu

Xiaoli Pang

Hongfeng Zhong

Shisong Zhang

Jingtao Xu

Kai Zhang

Wei Zhang

Hui Li

Ming Li

Yichun Ma

Hongbing Wu

Feng Ju

Peng Wu

Jiang Jia Yong

Hai Pu

Haiquan Wu

Jiangfeng Liu

Xiao Zhao

Yanlong Chen

Yinhang Bian

Jincheng Fan

Weifeng Li

Hui Lu

Zhiwei Feng

Zhongya Zhou

An oscillating power tool, including: a housing; an output shaft for installing a working head, the output shaft being installed in the housing and extending out of the housing; a transmission mechanism, installed in the housing, and the transmission mechanism being connected to the output shaft; and a motor, installed in the housing, the motor being connected to the transmission mechanism and driving the transmission mechanism to drive the output shaft to move, where an outer diameter of the motor is in a range of 40 mm to 50 mm.

Power tool

This disclosure describes a power tool comprising a housing, a motor received in the housing and an output shaft driven by the motor and used for mounting a cutting tool. The housing comprises a first head housing and a second head housing. The first head housing is used for receiving part of the output shaft. A maximal length of the first head housing along an axial direction of the output shaft is L. A plane where the axis of the output shaft is positioned is defined as a middle plane. N vibration damping elements are disposed between the first head housing and the second head housing and, on at least one side of the middle plane, each vibration damping element comprises a vibration damping part contacting with the first head housing and the second head housing. A sum of the lengths of the N vibration damping parts along the axial direction of the output shaft is larger than or equal to 0.2L and smaller than or equal to L. Therefore, a better vibration damping effect is achieved while working efficiency is not affected.

A mechanical constant-resistance single prop continuous prop lifting pre-tightening device, structurally composed of a continuous prop lifting device, a pressurizing system, an oil supply line and a monitoring unit. The continuous prop lifting device is a core component, comprising a hydraulic cylinder, a prop barrel clamping sleeve ring and a prop rod clamping sleeve ring. The prop rod clamping sleeve ring is fixedly connected with a piston rod of the hydraulic cylinder by means of a cylinder head seat, and the prop barrel clamping sleeve ring is fixedly connected with a cylinder body of the hydraulic cylinder. With continuous pressurization of the pressurizing system, a cohesion occurs between the continuous prop lifting device and a prop rod, so that the prop rod of a single prop is lifted up to come into contact with a top plate and provide a pre-tightening force.

Mechanical constant-resistance single prop continuous prop lifting pre-tightening device and method

A laser generating device including a housing and a laser module assembly. The laser module assembly is at least partially housed in the housing. The laser module includes a laser module. The laser module includes a laser generator, a transparent member and a cone member. The laser generator generates a laser beam which is directed towards a cone member. The cone member reflects the laser beam into a laser line. The transparent member has a generally cylindrical shape. The cone member includes a cone section including a reflecting surface and the cone section is located inside the transparent member. The cone member further includes a connection portion, the connection portion including a flange. The flange is located outside the transparent member at an outer surface of the transparent member.

Laser level

The disclosure relates to a power tool with a quick-operated locking mechanism. The power tool comprises a housing, an output shaft configured to mount and drive a working head and provided with a carrier extending out of the housing, a fixer configured to fix the working head at the carrier of the output shaft, a locking mechanism configured to lock or release the fixer and a driving mechanism configured to move the locking mechanism between a locking position and a releasing position. While in the locking position, the fixer is clamped fixedly on the output shaft, and while in the releasing position, the fixer is released from the output shaft. The distance between the locking mechanism and the carrier of the output shaft keeps the fixer constant in the locking position to prevent slippage of the fixer and to ensure the working head is firmly fixed.

Power tools

Growing community of inventors

Suzhou, China

Yu Wu