BLADE MOUNTING STRUCTURE OF LAWN MOWER

A lawn mower blade mounting structure (20; 80; 90; 100; 120; 130) includes: a drive hub (26) mounted on an output shaft (16) of a power source (15) and protruding outward beyond the output shaft; a friction member (27) for transmitting driving force from the drive hub to a blade holder (28), the dri...

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Bibliographic Details
Main Authors IKENO, TETSURO, HASEI, SHOJI
Format Patent
LanguageEnglish
French
German
Published 30.09.2015
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
FISHING
FORESTRY
HARVESTING
HUMAN NECESSITIES
HUNTING
MOWING
TRAPPING
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Summary:A lawn mower blade mounting structure (20; 80; 90; 100; 120; 130) includes: a drive hub (26) mounted on an output shaft (16) of a power source (15) and protruding outward beyond the output shaft; a friction member (27) for transmitting driving force from the drive hub to a blade holder (28), the drive hub and the friction member having curved surfaces (36, 38) slidable on each other when the drive hub and the friction member are in abutting engagement; a grass cutting blade (31) attached to the blade holder; and an energy absorbing member (32; 82; 92; 102; 122; 132) disposed in a space (57) defined by the blade holder and peripheral members, the energy absorbing member being constructed to maintain its shape during normal operating condition but deform when a load exceeding a predetermined value acts on the energy absorbing member.
Bibliography:Application Number: EP20150161352