Grass trimming head

The invention discloses a grass trimming head. The grass trimming head can be driven to rotate around a rotating axis to achieve grass trimming, and comprises a spool, a head shell and a transmissionpiece, wherein the transmission piece is installed on the spool and comprises a driving part used for...

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Bibliographic Details
Main Author GUO JIANPENG
Format Patent
LanguageChinese
English
Published 18.12.2020
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
FISHING
FORESTRY
HARVESTING
HUMAN NECESSITIES
HUNTING
MOWING
TRAPPING
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Summary:The invention discloses a grass trimming head. The grass trimming head can be driven to rotate around a rotating axis to achieve grass trimming, and comprises a spool, a head shell and a transmissionpiece, wherein the transmission piece is installed on the spool and comprises a driving part used for driving the head shell to synchronously rotate along with the spool; a matching part matched withthe driving part is formed on the head shell; the matching part is provided with a matching surface which is used for being in contact with the driving part so as to apply counter-acting force to thedriving part, the matching surface comprises an effective acting surface capable of applying the counter-acting force, the effective acting surface has a projection straight line in a plane perpendicular to the rotating axis, the projection straight line comprises a first limit position and a second limit position, the central angle between the first limit position and the axis of the rotating axis and the central angle bet
Bibliography:Application Number: CN202010548132