Shaft telescoping and rotational adjustment mechanism for a...

Details Shaft telescoping and rotational adjustment mechanism for a... Shaft telescoping and rotational adjustment mechanism for a...

B - Operations, Transporting

25

G

B25G 1/04 (2006.01) A01D 34/00 (2006.01) A01D 34/416 (2006.01) A01D 34/84 (2006.01) A01G 3/00 (2006.01) A01G 3/06 (2006.01)

Patent

CA 2521970

A lawn and garden tool, such as a string trimmer, includes a lower housing, an upper housing having one or more axial channels interconnected with one or more circumferential channels disposed on an interior surface thereof and a shaft connected between the upper housing and the lower housing. A boss is located on an exterior surface of the shaft and is disposed within the channels such that the boss is capable of traveling back and forth between the interconnected axial and circumferential channels. Movement of the boss within one of the axial channels telescopes the shaft while movement of the boss within one of the circumferential channels rotates the shaft and, thereby, rotates the lower housing with respect to the upper housing. The shaft may be moved from a locked position upon actuation of a push-button mechanism located on the upper housing of the string trimmer.

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