Power head configured to operate multiple tool heads with universal rotary device

A multi-tool comprising

• a power head comprising a power head housing having a handle operably coupled thereto;
• a tool attachment configured to perform a work function, the toot attachment being alternately separable from and operably coupled to the power head;
• a motor disposed in the power head housing;
• a battery configured to be operably coupled to the motor to selectively power the motor;
• a drive provider portion disposed at the power head, the drive provider portion including a driving portion of a shaft operably coupled to the motor;
• and
• a drive receiver portion disposed at the tool attachment, the drive receiver portion comprising a driven portion of the shaft,
• wherein the driving portion, the drive receiver portion, and the motor share a common axis,
• wherein the power head receives the battery at an opposite end of the power head housing relative to an end of the power head housing at which the motor is located,
• wherein the handle extends from a first portion of the power head housing above the motor to a second portion of the power head housing above the battery, and
• wherein the battery comprises a housing having a receiving portion configured to be operably coupled to a rail structure that is provided at a battery receiver disposed at a rear portion of the power head.

A power head for providing power for a multi-tool, the power head comprising:

• a power head housing having a handle operably coupled thereto;
• a motor disposed in the power head housing;
• a battery configured to be operably coupled to the motor to selectively power the motor;
• a drive provider portion comprising a driving portion of a shaft operably coupled to the motor,
• wherein the drive provider portion is configured to be operably coupled to a drive receiver portion disposed at a tool attachment,
• wherein the driving portion and the motor share a common axis, and
• wherein the power head receives the battery at an opposite end of the power head housing relative to an end of the power head housing at which the motor is located,
• wherein the handle extends from a first portion of the power head housing above the motor to a second portion of the power head housing above the battery, and
• wherein the battery is inserted into the power head in a direction substantially parallel to the common axis.