Wallbox-mountable switch and dimmer

• US 5,262,678 A
• Filed: 06/21/1991
• Issued: 11/16/1993
• Est. Priority Date: 06/21/1991
• Status: Expired due to Term

• Current Assignee: Lutron Technology Company LLC
• Original Assignee: Lutron Electronics Company Incorporated (Lutron Electronics)
• Inventors: Spira, Joel S., Flowers, Woodie C., Jacoby, Elliot G. Jr., Graybill, James R. Jr., Longenderfer, John E.
• Primary Examiner(s): Pellinen, A. D.
• Assistant Examiner(s): Krishnan, Aditya
• Application Number:
  US07/719,223
• Time in Patent Office: 879 Days
• Field of Search: 302/125, 174/53-58, 338/68, 338/178, 338/179, 315/297
• US Class Current: 307/125
• CPC Class Codes: H01H 3/0213 Combined operation of electric switch and variable impedance, e.g. resistor, capacitor H01H9/061 takes precedence
• CPC Class Codes: H05B 39/08 by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices in converters H02M5/00; with regulation G05F1/44
• CPC Class Codes: H05B 47/10 Controlling the light source

Abstract

A wallbox-mountable system for controlling electrical power to a load is disclosed. The system comprises a yoke, a frame, a toggle switch and at least one slidable lever. The yoke has an opening which is completely occupied by the frame member and the frame member has at least one channel. The toggle switch has a handle extending through the frame and has one end mechanically coupled to a means for turning power on and off to a load. The slidable lever extends through the channel and is mechanically coupled to a means for adjusting the power to a load.

Claims

1. A wallbox-mountable system for controlling electrical power to a load comprising, :

(a) a yoke having an opening located in correspondence with a central opening of a wallbox faceplate;

(b) a toggle switch which includes a handle, one end of said handle extending through said opening of said yoke and the other end of said handle mechanically coupled to means for turning power on and off to a load such that said handle is rotatable between a first position and a second position and snaps into said first and second positions at opposite extremes of its rotation causing said turn on and said turn off of said power to said load; and

(c) at least one lever arm extending through and movable within said opening of said yoke, said at least one lever arm mechanically coupled to means for adjusting the amount of power supplied to said load.

2. The system according to claim 1, wherein said means for turning power on and off comprises a microswitch.

3. The system according to claim 1, wherein said means for adjusting power comprises a dimmer circuit.

4. The system according to claim 1, wherein said lever arm is of a type having a predetermined linear path of travel.

5. The system according to claim 4, wherein said lever arm is directly coupled to a linear potentiometer serving as a component of said means for adjusting power to said load.

6. The system according to claim 1, wherein said opening of said yoke has a height dimension of about 25 mm and a width dimension of about 12 mm.

7. The system according to claim 1, wherein said toggle switch and said at least one lever arm are arranged in a side-by-side relationship.

8. The system according to claim 1, wherein said toggle switch has an over-center spring bistable mechanism.

9. The system according to claim 1 further comprising a frame member occupying said opening in said yoke and surrounding said handle of said toggle switch, said frame member having at least one channel, said lever arm extending through and slidable within said channel.

10. The system according to claim 9 wherein the lever arm is of a type having a predetermined linear path of travel.

11. The system according to claim 1, wherein the width of said toggle switch handle is substantially greater than that of said at least one lever arm.

12. A system according to claim 9, wherein said at least one lever arm has a holding member that extends out of said opening and which serves as a means for holding said lever arm during movement of said lever arm.

13. A system according to claim 12, wherein said channel is partially formed by a wall which is adjacent to but does not interfere with said lever arm in its travel along its linear path, said wall having at least one protuberance located at one of the end regions of said linear path and having a height dimension which exceeds the height of said holding member of said lever arm.

14. A wallbox-mountable system according to claim 5, wherein said linear potentiometer includes detents at predetermined points along its travel which impede movement along said linear path of travel

15. A wallbox-mountable system according to claim 1, further comprising:

(a) a backcover connected to said yoke and housing said means for turning on and off said power and also housing said means for adjusting said power to said load as well as circuitry which accomplishes said adjustment.

16. A system according to claim 1, wherein said at least one lever arm comprises a first and a second lever arm.

17. A system according to claim 16, wherein said first lever arm is coupled to a means for adjusting the power supplied to a lighting load and said second lever arm is coupled to means for adjusting the speed of a motor.

18. The wallbox-mountable system for controlling electrical power to a load comprising, :

(a) a yoke having an opening;

(b) a three-way toggle switch which includes a handle, one end of said handle extending through said opening and the other end of said handle mechanically coupled to a single pole double throw switch for controlling the application of power to a load, said handle being mechanically coupled to said single pole double throw switch such that said handle is rotatable between a first position and a second position and snaps into said first and second position at opposite extremes of its rotation causing said single pole double throw switch to change state; and

(c) at least one lever arm extending through and slidable within said opening, said at least one lever arm mechanically coupled to means for adjusting the amount of power supplied to said load.

19. The system according to claim 18, wherein said means for turning power on and off comprises a microswitch.

20. The system according to claim 18, wherein said means for adjusting power comprises a dimmer circuit.

21. The system according to claim 18, wherein said lever arm is of a type having a predetermined linear path of travel.

22. The system according to claim 21, wherein said lever arm is directly coupled to a linear potentiometer serving as a component of said means for adjusting power to said load.

23. The system according to claim 18, wherein said opening of said yoke has a height dimension of about 25 mm and a width dimension of about 12 mm.

24. The system according to claim 18, wherein said toggle switch and said at least one lever arm are arranged in a side-by-side relationship.

25. The system according to claim 18, wherein said toggle switch has an over-center spring bistable mechanism.

26. A wallbox-mountable system for controlling electrical power to a load comprising, :

(a) a yoke having an opening with dimensions corresponding to those of an opening of a wallbox faceplate;

(b) a frame completely occupying said opening of said yoke and having a channel providing a passageway for a tool for use with means for adjusting power to a load; and

(c) a toggle switch which includes a handle, one end of said handle extending through said frame and the other end of said handle mechanically coupled to means for turning power on and off to a load such that said handle is rotatable between a first position and a second position and snaps into said first and second positions at opposite extremes of its rotation causing said turn on and said turn off of said power to said load.

27. A wallbox-mountable system for controlling electrical power to a load comprising, :

(a) a yoke having an opening with dimensions corresponding to those of an opening of a wallbox faceplate;

(b) a toggle switch which includes a handle, one end of said handle extending through said opening of said yoke and the other end of said handle mechanically coupled to means for turning power on and off to a load such that said handle is rotatable between a first position and a second position and snaps into said first and second positions at opposite extremes of its rotation causing said turn on and said turn off of said power to said load;

(c) at least one lever arm extending through and slidable within said opening of said yoke, said at least one lever arm mechanically coupled to means for adjusting the amount of power supplied to said load; and

(d) removable cover means to cover said lever arm and prevent adjustment of said lever arm when said cover means is in place.

28. A wallbox-mountable system for controlling electrical power to first and second electrical loads, comprising:

(a) a yoke having an opening with dimensions corresponding to those of an opening of a wallbox faceplate;

(b) a toggle switch which includes a handle, one end of said handle extending through said opening of said yoke and the other end of said handle mechanically coupled to means for turning power on and off to at least one of said first and second loads, such that said handle is rotatable between a first position and a second position and snaps into said first and second positions at opposite extremes of its rotation causing said turn off and said turn off of said power to said at least one of said first and second loads;

(c) a first lever arm extending through and slidable within said opening of said yoke, said first lever arm mechanically coupled to first means for adjusting the amount of power supplied to said first load; and

(d) a second lever arm extending through and slidable within said opening of said yoke, said second lever arm mechanically coupled to second means for adjusting the amount of power supplied to said second load.

29. The system according to claim 28, wherein said first load is a lighting load and said first means for adjusting power comprises a dimmer.

30. The system according to claim 28, wherein said second load is a motor and said second means for adjusting power comprises a motor speed control.

31. The system according to claim 29, wherein said second load is a motor and said second means for adjusting power comprises a motor speed control.

32. The system according to claim 31, wherein said dimmer comprises a potentiometer and said motor speed control comprises a potentiometer.

33. The system according to claim 31, wherein said dimmer comprises a potentiometer and said motor speed control comprises a multi-position switch.

34. A wallbox-mountable system for controlling electrical power to a load comprising, :

(a) a yoke having an opening with dimensions corresponding to those of an opening of a wallbox faceplate;

(b) a toggle switch means which includes a handle, one end of said handle extending through said opening of said yoke, and the other end of said handle mechanically coupled to means for turning power on and off to a load such that said handle is rotatable between a first position and a second position and snaps into said first and second positions at opposite extremes of its rotations causing said turn on and said turn off of said power to said load; and

(c) an independent adjustment means, adjustable independently of said toggle switch means, comprising at least a first actuator extending through said opening of said yoke, said independent adjustment means coupled to means for adjusting the power supplied to said load.

35. The system according to claim 34 wherein said first actuator is a linearly moveable actuator.

36. The system according to claim 34 wherein said first actuator is a rotatable actuator.

37. The system according to claim 36 wherein said rotatable actuator is positioned on the end of said handle, which extends through said opening of said yoke.

38. The system according to claim 36 wherein said rotatable actuator is a thumbwheel actuator.

39. The system according to claim 36 wherein said rotatable actuator is concealed when said handle of said toggle switch means is in said off position.

40. The system according to claim 34 wherein said at least a first actuator comprises first and second pushbutton actuators.

41. The system according to claim 40 wherein pressing said first pushbutton actuator causes said power supplied to said load to increase and pressing said second pushbutton actuator causes said power supplied to said load to decrease.

42. The system according to claim 41 further comprising an LED bar graph display to show the amount of power being supplied to the load.

43. The system according to claim 34 wherein said independent adjustment means adjusts the maximum amount of power supplied to said load.

44. A wallbox mountable system for controlling electrical power to a load comprising:

(a) a faceplate having an opening substantially about 0.406 inches wide by substantially about 0.925 inches high;

(b) a toggle switch which includes a handle, one end of said handle extending through said opening of said faceplate, and the other end of said handle coupled to means for turning power on and off to a load such that said handle is rotatable between a first position and a second position and snaps into said first and second positions at opposite extremes of its rotation causing said turn on and said turn off of said power to said load; and

(c) at least one lever arm extending through said opening of said faceplate, said at least one lever arm coupled to means for adjusting the amount of power supplied to said load.

45. The system according to claim 44, wherein said at least one lever arm comprises first and second lever arms.

47. The system according to claim 45, wherein said at least one lever arm comprises first and second lever arms.

46. A wallbox mountable system for controlling electrical power to a load, comprising:

(a) a yoke having an opening with dimensions corresponding to those of an opening of a wallbox faceplate;

(b) a toggle switch which includes a handle, one end of said handle extending through said opening of said yoke, and movable in a vertical direction within said opening and the other end of said handle mechanically coupled to means for turning power on and off to a load such that said vertically movable handle is rotatable between an up position and a down position and snaps into said up and down positions at opposite extremes of its rotation causing said turn on and said turn off of said power to said load; and

(c) at least one lever arm extending through and slidable in a vertical direction within said opening of said yoke, said at least one lever arm mechanically coupled to means for adjusting the amount of power supplied to said load.