Title:
HANDHELD CULTIVATOR
Document Type and Number:
WIPO Patent Application WO/2022/262125
Kind Code:
A1
Abstract:
Improved cooling systems for handheld devices are disclosed. In some aspects, the cooling system may utilize air inlets disposed behind a guard to prevent debris or liquids from entering the handheld device and potentially causing damage to internal components of the handheld device. In aspects, vents may be disposed on the guard to divert cooling air into a housing of the handheld device to cool internal components, such as the motor or a printed circuit board (PCB). In some aspects, a motor mount may be provided that includes ribs defining air channels to divert or direct cooling air to components to be cooled. The air channels provided by the motor mount may enable the cooling air to reach portions of the internal components that may be distant from the air inlets of the housing. Transfer housings and gear guides may also be provided to improve stabilization and enhance cooling.
Inventors:
WANG ZHENG JUN (CN)
LI JIN CHENG (CN)
LI DONG WEI (CN)
LI JIN CHENG (CN)
LI DONG WEI (CN)
Application Number:
PCT/CN2021/116655
Publication Date:
December 22, 2022
Filing Date:
September 06, 2021
Export Citation:
Assignee:
TECHTRONIC CORDLESS GP (US)
WANG ZHENG JUN (CN)
WANG ZHENG JUN (CN)
International Classes:
B25F5/00; A01B1/06; B25F5/02
Domestic Patent References:
| WO2003011009A1 | 2003-02-13 |
Foreign References:
| US5850882A | 1998-12-22 | |||
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| US5960889A | 1999-10-05 | |||
| US20170223886A1 | 2017-08-10 | |||
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| EP3479967A1 | 2019-05-08 | |||
| EP3534504A1 | 2019-09-04 | |||
| DE19924552A1 | 2000-11-30 | |||
| CN2021100371W | 2021-06-16 |
Attorney, Agent or Firm:
BEIJING PAT SF INTELLECTUAL PROPERTY AGENCY CO. LTD (CN)
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