Balancer for tools
AssigneeTecna S.P.A.
InventorsFabio Gubellini, Andrea Lolli, Damiano Bergami
Life of this patent
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Abstract
A balancer for tools includes a rotary drum for winding and unwinding a cable, which is adapted with a free end thereof to support a tool. The balancer also includes a spring, wound around the main rotation axis of the drum, which is adapted to develop an elastic reaction contrasting the unwinding of the cable.
Claims6
A balancer for tools comprises a rotary drum configured for winding and unwinding a cable, which is adapted with a free end thereof to support a tool, and a spring, wound around a main rotation axis of said drum, which is adapted to develop an elastic reaction contrasting the unwinding of said cable, further comprising a measurement transducer configured for measuring at least one parameter correlated to the rotation of said drum about said main axis and a respective assembly configured for supplying electric power to said transducer, wherein said transducer is an encoder adapted to measure the rotation or a number of revolutions of said drum about said main axis, further comprising gear means, interposed between said main axis and an input shaft of a converter, for varying the number of revolutions.
Dependencies are inferred from the claim text.