(19)
(11) EP 4 032 672 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.10.2022 Bulletin 2022/43

(43) Date of publication A2:
27.07.2022 Bulletin 2022/30

(21) Application number: 21217663.0

(22) Date of filing: 23.12.2021
(51) International Patent Classification (IPC): 
B27B 17/00(2006.01)
B25F 5/02(2006.01)
B27B 17/08(2006.01)
(52) Cooperative Patent Classification (CPC):
B27B 17/0008; B27B 17/086; B25F 5/027
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 05.01.2021 CN 202120008909 U

(71) Applicant: Techtronic Cordless GP
Anderson, SC 29621 (US)

(72) Inventors:
  • LAM, Kwok Fan
    Kwai Chung (HK)
  • WONG, Kar Tat
    Kwai Chung (HK)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) CHAIN SAW


(57) A chain saw (100), comprising a housing (10), a drive unit accommodated in the housing (10) and a chain (20) driven by the drive unit, wherein the chain (20) is provided on a guide plate (21) extending from the housing (10) outward along a first axis (L1), and the drive unit rotates about a second axis (L2). The second axis (L2) is located on the plane where the guide plate (21) is located or parallel to the plane where the guide plate (21) is located. The chain saw (100) comprises a front handle (31), wherein one end (311) of the front handle (31) is connected to the housing (10) and the other end (312) comprises a free end. The drive unit comprises a motor (50), which is located between the front handle (31) and a rear handle (30), and at least part of the motor (50) is at the same height as the front handle (31). A battery mounting portion (13) is formed on one side of the housing (10), and the motor (50) and the battery mounting portion (13) essentially overlap in the direction of the first axis (L1).







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Search report