Work machine having vertically adjustable work unit
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United States of America Patent
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-
Nov 7, 2023
Grant Date -
Feb 11, 2021
app pub date -
Jul 13, 2020
filing date -
Aug 9, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A work machine (10) such as a lawnmower provided with a height adjusting mechanism comprises a machine main body (12), a guide member (50) supported on the machine main body so as to be rotatable around a vertical axis, a support member (60) engaged by the guide member via a converting mechanism that converts a rotational motion of the guide member into a vertical motion of the support member, a work unit (18) supported by the support member, and a sheet spring (66) provided on the machine main body and resiliently and slidably abutting against the support member to urge the support member in a prescribed rotational direction.
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