Title:
CHAIN SAW
Document Type and Number:
WIPO Patent Application WO/2023/138200
Kind Code:
A1
Abstract:
The present invention relates to a chain saw, which is provided with a guide plate and a chain. The chain saw comprises a housing, a driving assembly arranged inside the housing, and a fixing assembly for tensioning the chain and locking the guide plate. The fixing assembly comprises a protective cover pressed against the guide plate, a knob arranged on an outer side of the protective cover, a tensioning member driven by the knob, a locking member clamped to the protective cover, and an elastic member located between the knob and the locking member, wherein a first clamping portion is arranged on the side of the protective cover facing the locking member; a second clamping portion is arranged on the side of the locking member facing the protective cover; and when the guide plate is locked, the elastic member deforms and presses against the locking member, such that the second clamping portion is clamped to the first clamping portion. In the present invention, the first clamping portion is arranged on the protective cover, the second clamping portion is arranged on the locking member, the two clamping portions are clamped to each other, and under the action of the elastic member, the locking member and the protective cover cannot easily generate relative movement, such that the guide plate is not easy to loosen.
More Like This:
| WO/2015/169342 | IMPROVED POWER TOOL |
| WO/2007/058189 | CHAIN SAW |
Inventors:
FAN GONGYUAN (CN)
Application Number:
PCT/CN2022/133038
Publication Date:
July 27, 2023
Filing Date:
November 19, 2022
Export Citation:
Assignee:
JIANGSU DONGCHENG TOOLS TECH CO LTD (CN)
International Classes:
B27B17/00; B27B17/14; B23D57/02
Foreign References:
| CN114425800A | 2022-05-03 | |||
| CN217494552U | 2022-09-27 | |||
| CN110560782A | 2019-12-13 | |||
| CN113523427A | 2021-10-22 | |||
| CN211362619U | 2020-08-28 | |||
| CN210615347U | 2020-05-26 | |||
| CN106238820A | 2016-12-21 | |||
| US20210114249A1 | 2021-04-22 |
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