Invention Grant
US08640784B2 Turf aerator with single journal bearing adapters 有权
带单轴承转接头的草坪曝气机

Turf aerator with single journal bearing adapters
Abstract:
A turf aerator including a plurality of rotary hoes (39) that are supported along a drive shaft (41). Each rotary hoe (39) has a single journal bearing adapter (60) including a bearing support sleeve (61) with a cylindrical outer surface oriented at an angle with respect to the axis of rotation of the drive shaft so as to wobble the rotary hoes laterally in response to the rotation of the drive shaft.
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