Patent ID: 11945090
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC B  A | IPC A  B

Claim 0:
1. An outdoor tool comprising:
a powerhead unit including
a motor,
a first shaft segment having a first driveshaft segment coupled to the motor, and
a first connecting portion attached to the first shaft segment; and

an attachment unit selectively couplable to and powered by the powerhead unit, the attachment unit including
an operational unit configured to be driven by the motor,
a second shaft segment having a second driveshaft segment operatively coupled to the operational unit, and
a second connecting portion attached to the second shaft segment, the second connecting portion configured for coupling to the first connecting portion, wherein
one of the first driveshaft segment and the second driveshaft segment defines a female connection member, and another of the first driveshaft segment and the second driveshaft segment defines a male connection member configured for receipt by the female connection member,
one of the first connecting portion and the second connecting portion defines an envelope with the female connection member positioned therein and includes a first bearing that rotatably supports the female connection member, wherein a first elastomeric member is interposed between the bearing and the envelope,
the one of the first connecting portion and the second connecting portion includes a second bearing that rotatably supports the female connection member, and wherein a second elastomeric member is interposed between the second bearing and the envelope, and
the female connection member includes a radially outwardly extending projection disposed between the first bearing and the second bearing.