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US 10,766,128 B2Granted
Power tool drive mechanism
AssigneeBlack & Decker Inc.
InventorsPaul Gerard Gross, Marco Alessandro Mattucci
Life of this patent
Estimating the term…
Abstract
A cantilevered flywheel for a motor having an inner rotor. A power tool having an electric motor which drives a cantilevered flywheel. A fastening device having a driver blade and/or driver profile which has a driving action energized by a transfer of energy from contact with a cantilevered flywheel. Methods of using a cantilevered flywheel in power tools and appliances.
Claims13
A nailer, comprising:
- a housing;
- a motor disposed in the housing, the motor having a stator and a rotor;
- a magazine which holds nails to be driven by the nailer;
- a driver configured to drive the nails;
- a flywheel which is driven by the motor, the flywheel having a cantilevered portion which radially surrounds at least a portion of the stator;
- wherein the flywheel has a flywheel ring with at least one groove;
- wherein the at least one groove is on the cantilevered portion;
- and
- wherein the rotor is located radially inwardly compared to the stator.
6 more elements
A nailer, comprising:
- a housing;
- a motor disposed in the housing, the motor having a stator and a rotor;
- a magazine which holds nails to be driven by the nailer;
- a flywheel which is driven by the motor, the flywheel having a flywheel ring;
- a driver configured to drive the nails, the driver including a driver profile configured to selectively engage the flywheel ring to receive energy from the flywheel;
- wherein the flywheel has a cantilevered portion which radially surrounds at least a portion of the stator;
- wherein the flywheel ring is on the cantilevered portion;
- and
- wherein the rotor is located radially inwardly compared to the stator.
6 more elements
Dependencies are inferred from the claim text.