Cordless drill having rotating magazine for bits

1 . A cordless drill having rotating magazine for bits comprising:

a drill body, a drill chuck, an electric motor, a trigger switch, a magazine, a mechanical drive bypass, and a battery pack;

wherein a linear actuator within the magazine deploys a first bit selected from a set of bits stored within the magazine by pushing the first bit forward into the drill chuck;

wherein the first bit is rotated by the electric motor in order to drill a hole;

wherein the mechanical drive bypass transfers the rotational motion of the electric motor around the magazine to the drill chuck;

wherein the linear actuator retracts the first bit, the magazine is rotated, and a second bit is deployed;

wherein the magazine is a rotating cylinder comprising a plurality of bit chambers for storing the set of bits;

wherein the individual bit chamber is a hollow cylindrical cavity that is oriented to be parallel to a spindle;

wherein a front of the individual bit chamber is open such that an individual bit slides into and out of the individual bit chamber via the front of the individual bit chamber;

wherein each of the individual bit chambers comprise the linear actuators;

wherein the linear actuators are operable to move the individual bits forward and rearward.

2 . The cordless drill having rotating magazine for bits according to claim 1

wherein the drill body is a pistol grip enclosure for the magazine, the electric motor, the trigger switch, and the mechanical drive bypass;

wherein the drill body comprises a handle that extends downward from the rear of the drill body;

wherein the handle is adapted for a user to grasp while using the cordless drill having rotating magazine for bits;

wherein the trigger switch is coupled to the top, front of the handle where the trigger switch is adapted to be accessible by the user.

3 . The cordless drill having rotating magazine for bits according to claim 2

wherein the drill body comprises one or more cooling vents to provide air circulation for cooling the electric motor.

4 . The cordless drill having rotating magazine for bits according to claim 2

wherein the drill chuck is rotationally coupled to the front of the drill body;

wherein the drill chuck is tightened to retain the individual bit for drilling by turning an outer ring in a tightening rotational direction with respect to the individual bit;

wherein the drill chuck is loosened to remove the individual bit from the drill chuck by turning the outer ring in a loosening rotational direction with respect to the individual bit.

5 . The cordless drill having rotating magazine for bits according to claim 4

wherein the electric motor converts electrical energy into mechanical energy;

wherein the electric motor causes rotational motion of a motor shaft when the electrical energy is applied to the electric motor;

wherein the electrical energy applied to the electric motor is controlled by the trigger switch and a direction control button;

wherein the trigger switch applies the electrical energy to the electric motor when the trigger switch is actuated and removes the electrical energy when the trigger switch is released.

6 . The cordless drill having rotating magazine for bits according to claim 5

wherein the direction control button determines the polarity of the electrical energy applied to the electric motor and the rotational direction of the electric motor and the individual bit;

wherein the direction control button is moved to a clockwise position in order to rotate the individual bit in a clockwise direction;

wherein the direction control button is moved to a counter-clockwise position in order to rotate the individual bit in a counter-clockwise direction.

7 . The cordless drill having rotating magazine for bits according to claim 6

wherein an individual bit chamber selected from the plurality of bit chambers stores a single bit;

wherein the magazine rotates on the spindle that is oriented front-to-rear and centered within the magazine;

wherein the plurality of bit chambers are equally spaced around the spindle.

8 . The cordless drill having rotating magazine for bits according to claim 7 wherein the magazine comprises six bit chambers.

9 . The cordless drill having rotating magazine for bits according to claim 7

wherein the magazine is rotated manually;

wherein as the magazine rotates, the individual bit chamber that is positioned at the top of the magazine aligns with the drill chuck such that the individual bit stored within the top chamber is deployed to the drill chuck and retracted into the top chamber by the linear actuator.

10 . The cordless drill having rotating magazine for bits according to claim 9

wherein the linear actuator pushes the first bit forward out of the top chamber to a bit extended position where the drill chuck is tightened around the first bit such that rotation of the electric motor rotates the first bit and the linear actuator pulls the first bit rearward to a bit retracted position within the top chamber such that the magazine is rotated to select the second bit.

11 . The cordless drill having rotating magazine for bits according to claim 10

wherein the linear actuator is an electromechanical device that moves the individual bit forward and rearward when energized by the battery pack.

12 . The cordless drill having rotating magazine for bits according to claim 11 wherein the linear actuator is a hollow cylindrical telescoping tube such that the individual bit located within the linear actuator is moved by the linear actuator.

13 . The cordless drill having rotating magazine for bits according to claim 11

wherein the linear actuator is energized by the battery pack via a bit control button;

wherein the bit control button is adapted to be actuated by the user in order to energize the linear actuator to deploy or retract the individual bit located in the top chamber.

14 . The cordless drill having rotating magazine for bits according to claim 13

wherein the mechanical drive bypass transfers the rotational motion of the motor shaft to the drill chuck using a mechanical drivetrain that avoids mechanical interference with the magazine;

wherein the mechanical drive bypass comprises a bypass shaft, a first gearset, and a second gearset.

15 . The cordless drill having rotating magazine for bits according to claim 14

wherein the bypass shaft is oriented to front-to-rear and parallel to the magazine;

wherein the first gearset rotationally couples the electric motor to the bypass shaft such that the bypass shaft rotates whenever the electric motor rotates;

wherein the second gearset rotationally couples the bypass shaft to the drill chuck such that the individual bit held by the drill chuck rotates whenever the bypass shaft rotates.

16 . The cordless drill having rotating magazine for bits according to claim 15

wherein the motor shaft is perpendicular to the bypass shaft and the first gearset changes the direction of the rotation by 90 degrees.

17 . The cordless drill having rotating magazine for bits according to claim 15

wherein the battery pack comprises one or more energy-storage devices;

wherein the battery pack is a source of electrical energy to operate the electric motor and the linear actuators;

wherein the battery pack is rechargeable and replaceable;

wherein the battery pack detachably couples to the bottom of the handle.

18 . The cordless drill having rotating magazine for bits according to claim 17

wherein the cordless drill having rotating magazine for bits further comprises a white led light located at the front of the drill body above the drill chuck;

wherein the white led light is configured to shine on the work that is being drilled;

wherein the white led light is energized by the trigger switch such that the white led light is on whenever the electric motor is rotating.