Patent ID: 9550283
Date: 2017-01-24
CPC Classifications: B23B,B25B,B25D,B25F

Claim:
1. A power tool with a spindle lock assembly comprising: an output assembly that includes a spindle configured to support a tool element; wherein the spindle is rotatable about a spindle axis; a power source; an electric motor that rotates about a motor axis when supplied with energy from the power source; wherein the motor axis is perpendicular to the spindle axis; a solenoid actuator movable along the spindle axis perpendicular to the motor axis; wherein both the solenoid actuator and the electric motor are electrically connectible and disconnectible from the power source; a switch movable between a released position in which the power source does not supply energy to the electric motor and the solenoid actuator, and a depressed position in which the power source supplies energy to the electric motor and the solenoid actuator; a spindle lock that is operable along the spindle axis perpendicular to the motor axis, wherein the spindle lock includes an upper face, a lower face opposite the upper face, and one or more teeth extending from the lower face away from the upper face; and an output gear coupled to the spindle; wherein the output gear includes a plurality of teeth; wherein the spindle lock is coupled to the solenoid actuator which is configured to move the spindle lock along the spindle axis in response to the solenoid actuator being connected or disconnected to the to the power source which selectively moves the spindle lock into and out of engagement with the output gear of the output assembly; wherein when the switch is moved to the released position, the power source does not supply energy to both the electric motor and the solenoid actuator which causes the solenoid actuator to bias toward the output assembly such that the spindle lock is moved along the spindle axis perpendicular to the motor axis and into engagement with the output gear of the spindle lock by the one or more teeth of the spindle lock that mate with the plurality of teeth of the output gear which prevents rotation of the spindle; and wherein when the switch is moved into the depressed position, the power source supplies power to the electric motor and the solenoid actuator which causes the spindle lock to disengage from the output gear to allow rotation of the spindle about the spindle axis.