Electric carpet stapler with electronic sensor switch
AssigneeCrain Cutter Company, Inc.
InventorsGregory Joseph Chambers, Tan Dinh Nguyen
Life of this patent
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Abstract
An electric carpet stapler comprises a trigger and switch assembly that has an actuation caused by a change of state of a sensor, which causes the sensor to send a signal to a control circuit to begin a process to supply power to a winding. The trigger and switch assembly includes a trigger that moves in a trigger actuation direction to move a sensor actuator in a sensor actuation direction, causing a change of state in the sensor, which causes the control circuit to begin the process to supply power to the winding. The trigger and switch assembly may also include a toggle. At the actuation of the trigger and switch assembly, the toggle creates a mechanical instability, and a toggle signal to the user, which may be produced mechanically.
Claims21
An electric carpet stapler comprising:
- a housing including a handle;
- a winding within the housing;
- an armature attached to a staple driver blade, the armature in communication with the winding such that the armature is magnetically forced to move the staple driver blade to drive a staple upon supply of power of the winding;
- a trigger;
- a sensor actuator coupled to the trigger, the sensor actuator moveable by the trigger;
- a photo sensor having a change of state caused by movement of the sensor actuator relative to the photo sensor;
- a control circuit configured to receive a signal caused by the change in state of the photo sensor, where the signal causes the control circuit to begin a process to supply power to the winding;
- a toggle mechanically coupled to the trigger, where the trigger rotates on a pivot from a trigger starting position to a trigger point of actuation, and when the trigger rotates to the trigger point of actuation, the toggle creates a mechanical instability requiring the trigger to rotate either towards the trigger starting position or to rotate further past the trigger point of actuation;
- and
- a ball having an apex, and wherein the sensor actuator comprises a slider that is moved by the trigger, and the slider includes the toggle comprising a rounded projection having an apex, wherein the mechanical instability is caused by the apex of the rounded projection being in contact with the apex of the ball.
An electric carpet stapler, comprising:
- a trigger that is rotatable on a pivot from a trigger starting position to a trigger point of actuation;
- a slider coupled to the trigger to move when the trigger is rotated, the slider including a rounded projection and an apex;
- a ball having an apex;
- a photo sensor that has a change in state when the slider permits or prevents light from passing from a photo sensor light emitter to a photo sensor light sensor;
- a control circuit coupled to detect the change of state of the photo sensor, the control circuit configured to begin a process to supply power to a winding in response to detecting the change in state of the photo sensor;
- wherein when the trigger rotates from the trigger starting position to the trigger point of actuation, the trigger moves the slider to permit or prevent light from passing from the photo sensor light emitter to the photo sensor light sensor, causing the photo sensor to have the change in state causing the control circuit to begin the process to supply power to the winding, and the trigger moves the rounded projection of the slider to move the apex of the rounded projection into contact with the apex of the ball.
Dependencies are inferred from the claim text.