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US 2010/0074702 A1Published application
Spindle drive coupling
OwnerDouglas J. Klugeinventor
Life of this patent
Estimating the term…
Abstract
A spindle drive coupling releasably connects a cordless electric motor to an auger assembly used to drill holes in ice on a body of water. The coupling has a sleeve supporting a split head onto the drive shaft of the motor with a clamp assembly.
Claims17
A drive coupling for connecting a drive shaft of a motor to an auger assembly comprising:
- a sleeve having an upper end and a lower end;
- a member secured to the lower end adapted to be connected to the auger assembly;
- a fastener for connecting the member to the auger assembly;
- a split head secured to the upper end of the sleeve adapted to be connected to the drive shaft of the motor;
- and
- a clamp surrounding the split head operable to lock the split head on the drive shaft of the motor.
3 more elements
A power tool for cutting a hole in an object comprising:
- a cordless electric motor having a drive shaft and a battery to supply electric power to the motor;
- an auger assembly having a core and helical flight secured to the core;
- a drive coupling for connecting the drive shaft of the motor to the core of the auger assembly, said coupling comprising;
- a sleeve having an upper end and a lower end;
- a member secured to the lower end of the sleeve;
- a fastener connecting the core of the auger assembly to the member;
- a split head secured to the upper end of the sleeve surrounding the drive shaft of the motor;
- and
- a clamp surrounding the split head operable to lock the split head on the drive shaft of the motor.
6 more elements
Dependencies are inferred from the claim text.