Electric pole pruner

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11723313
APP PUB NO 20220287243A1
SERIAL NO

17636467

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electric pole pruner having a spring returned cutting head and equipped with a drive unit having an electric motor coupled to a drum via an epicyclic gear assembly is configured to reduce rotation speed and to increase torque. A string element is coupled to the drum of the drive unit, and to the cutting head so as to actuate the cutting head. The pole pruner further includes a locking arrangement to selectively lock or release a ring gear of the gear assembly so as to convert rotation of the electric motor into rotation of the drum when the ring gear is locked, and to convert rotation of the drum into rotation of the ring gear when the ring gear is released.

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First Claim

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Patent Owner(s)

  • FISKARS FINLAND OY AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lindén, Jan Turku, FI 5 18
Lindén, Olavi Billnäs, FI 8 107

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