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1. 发明申请

WO2022134678A1 BATTERY POWERED GARDEN SHREDDER 审中-公开
公开(公告)号：WO2022134678A1
公开(公告)日：2022-06-30
申请号：PCT/CN2021/119104
申请日：2021-09-17
申请人： TECHTRONIC CORDLESS GP , LEE, Wai Chung
发明人： CHUNG, Koon For , WU, Kun Hao , LAN, Xiao Di , WANG, Yan Jia
IPC分类号： A01G3/00
摘要： Systems and methods providing battery powered garden shredder (100) configurations in which one or more batteries (151a, 152a, 151b) may be utilized to power a motor (340) of a battery powered garden shredder (100) implementation are described. A shredder powerhead assembly (110a, 110b) may include a battery area (115a, 115b) configured to receive and securely hold one or more batteries (151a, 152a, 151b), wherein the battery area (115a, 115b) may be recessed and/or otherwise configured to provide protection to the batteries (151a, 152a, 151b). The battery area (115a, 115b) may be variously configured to accommodating and protecting components such as the batteries (151a, 152a, 151b), battery docking interfaces (321a, 322a, 321b), safety keys, safety key interfaces, etc. The battery area may comprise a cover structure (160, 560) for providing protection. The shredder powerhead assembly (110a, 110b) may be held in juxtaposition with a bin (130) by a support structure (120), embodiments of which provide a pivotal interface (124). A motor cowl (170) configured for ventilating various components while discouraging infiltration of debris into an internal area containing the components may also be provided.

2. 发明申请

WO2021151369A1 OUTDOOR SURFACE CLEANING APPARATUS WITH SPRAY MECHANISM 审中-公开
公开(公告)号：WO2021151369A1
公开(公告)日：2021-08-05
申请号：PCT/CN2021/073032
申请日：2021-01-21
申请人： TECHTRONIC CORDLESS GP , LEE, Wai Chung
发明人： CHUNG, Koon For , AN, Weiwei , WONG, Wai For
IPC分类号： B05B7/24 , B08B3/02 , E01H1/05 , E01H1/10 , E01H1/12
摘要： The invention provides a rugged cleaning device configured to clean outdoor surfaces using a variety of fluids and techniques. The outdoor cleaning device includes a brush head, a motor and a transmission for providing a driving force to the brush head, a fluid tank for storing a fluid (e.g., a cleaning solution or detergent), and a controller for controlling mixing (or not mixing) the fluid stored in the fluid tank during operation of the outdoor cleaning device. The controller may enable fluid from the cleaning tank to be mixed with a second fluid (e.g., water) prior to being dispensed via a plurality of nozzles. The nozzles may be formed via grooves on an inner cover and an outer cover may be provided to close off the grooves to form fluid channels. The fluid channels enable the distribution of cleaning fluids in various directions, enhancing the brush head's cleaning capability.

3. 发明申请

WO2021151370A1 OUTDOOR SURFACE CLEANING APPARATUS WITH SPRAY MECHANISM 审中-公开
公开(公告)号：WO2021151370A1
公开(公告)日：2021-08-05
申请号：PCT/CN2021/073033
申请日：2021-01-21
申请人： TECHTRONIC CORDLESS GP , LEE, Wai Chung
发明人： CHUNG, Koon For , AN, Weiwei , WONG, Wai For
IPC分类号： A46B13/00 , A46B13/02 , A46B13/04 , B05B7/24 , B08B3/02 , E01H1/05 , E01H1/10 , E01H1/12
摘要： The invention provides a rugged cleaning device configured to clean outdoor surfaces using a variety of fluids and techniques. The outdoor cleaning device includes a brush head, a motor and a transmission for providing a driving force to the brush head, a fluid tank for storing a fluid (e.g., a cleaning solution or detergent), and a controller for controlling mixing (or not mixing) the fluid stored in the fluid tank during operation of the outdoor cleaning device. The controller may enable fluid from the cleaning tank to be mixed with a second fluid (e.g., water) prior to being dispensed via at least one nozzle. The at least one nozzle may be secured to a guard cover via grooves on an inner guard cover and an outer guard cover. The nozzle (s) enables the distribution of cleaning fluids in various directions, enhancing the brush head's cleaning capability.

4. 发明申请

WO2022223021A1 FORCE AMPLIFIED FASTENER FOR POWER TOOL IMPLEMENTS 审中-公开
公开(公告)号：WO2022223021A1
公开(公告)日：2022-10-27
申请号：PCT/CN2022/088439
申请日：2022-04-22
申请人： TECHTRONIC CORDLESS GP
发明人： CHUNG, Koon For , WONG, Tsz Kin
IPC分类号： A01D34/416 , A01D34/73
摘要： Systems and methods which provide force amplified fastener assemblies (130) configured for use with respect to detachable implements for power tools are described. Force amplified fastener assemblies (130) may implement various gear train configurations for giving a mechanical advantage with respect to manual manipulation of the fastener assembly. A force amplified fastener assembly (130) may include a lock mechanism operative to lock and/or unlock the force amplified fastener assembly and thus a fastening element thereof. In some examples, a force amplified fastener assembly (130) may include a grasping member assembly for facilitating manual application of torque. Additionally or alternatively, a force amplified fastener assembly (130) may include a removable and replaceable external surface covering configured to protect at least a portion of the force amplified fastener assembly. Force amplified fastener assemblies (130) of embodiments of the invention may be utilized in place of a conventional lock nut for affixing detachable implements to power tools.

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