Claims
- 1. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both a cooking range of temperatures and at least one self-clean temperature, including a base, first matable fixed and movable contacts mounted relative to said base, second fixed and movable contacts mounted relative to said base, a rotatable shaft rotatable by the user relative to said base to select the cooking temperature, an inclined plane surface rotatable by the rotatable shaft for varying the fixed position of the first fixed contact, said control assembly having means movably mounted relative to said plane surface for movably supporting said first and second movable contacts, said control assembly including calibrating means for setting the fixed position of the second fixed contact relative to said base, a hydraulically activated temperature responsive means, a driving arm assembly driven by the hydraulically activated temperature responsive means and including said movable supporting means for moving said first movable contact relative to said first fixed contact to control the cooking temperature and said second movable contact at a higher temperature in the self-clean range to move said second movable contact relative to said second fixed contact, said hydraulically activated temperature responsive means being a generally helical Bourdon tube having one fixed portion, and in which a movable portion of the Bourdon tube is connected to the driving arm assembly.
- 2. An assembly as claimed in claim 1 in which at least a portion of the driving arm assembly is pivoted at one end thereof relative to said base and is moved in rotation by the hydraulically activated temperature responsive means.
- 3. An assembly as claimed in claim 1 in which the connection between the movable portion of the Bourdon tube and the driving arm assembly includes a thin piece of metal acting in tension.
- 4. An assembly as claimed in claim 3 in which rotation of the shaft to the self-clean range of temperatures shifts the first fixed contact in a direction towards the first movable contact.
- 5. An assembly as claimed in claim 4 further including a housing wherein said first and second matable contacts are supported within said housing.
- 6. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both a cooking range of temperatures and at least one self-clean temperature, including a base, first matable fixed and movable contacts mounted relative to said base, second fixed and movable contacts mounted relative to said base, a rotatable shaft rotatable by the user relative to said base to select the cooking temperature, an inclined plane surface rotatable by the rotatable shaft for varying the fixed position of the first fixed contact, said control assembly having means movably mounted relative to said plane surface for movably supporting said first and second movable contacts, said control assembly including calibrating means for setting the fixed position of the second fixed contact relative to said base, a hydraulically activated temperature responsive means, a driving arm assembly driven by the hydraulically activated temperature responsive means and including said movable supporting means for moving said first movable contact relative to said first fixed contact to control the cooking temperature and said second movable contact at a higher temperature in the self-clean range to move said second movable contact relative to said second fixed contact, said movable supporting means including a first follower arm and said driving arm assembly including a second follower arm, said first movable contact being supported for movement on said first follower arm, said second movable contact being supported on said second follower arm, said second follower arm being actuated in response to the movement of said first follower arm.
- 7. The assembly of claim 6 wherein said driving arm assembly includes pin means disposed between said first and second follower arms, said pin means forming at least part of said connection between said first and second follower arms during the actuation of said second follower arm.
- 8. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both cooking and self-clean temperatures, said assembly including a base, a first set temperature mounting means mounted relative to said base and a first set temperature contact mounted on said first set temperature mounting means, a first sensed temperature mounting means mounted relative to said base and a first sensed temperature contact mounted on said first sensed temperature mounting means, said first contacts being matable, a second set temperature mounting means mounted relative to said base and a second set temperature contact mounted on said second set temperature mounting means, a second sensed temperature mounting means mounted relative to said base and a second sensed temperature contact mounted on said second sensed temperature mounting means, said second contacts being matable, a rotatable shaft axially fixed and rotatable relative to the base by the user to select a cooking and/or self-clean temperature, a cam element mounted on said rotatable shaft for rotation therewith having an inclined plane surface formed thereon, means mounted on one of said first and second set temperature mounting means and engageable with said inclined plane for setting the position of said corresponding set temperature contact, calibrating means mounted between said base and the other of said first and second set temperature mounting means for setting the position of said corresponding set temperature contact, a fluid actuated temperature reponsive means, means driven by the temperature responsive means and operatively connected to one of said first and second sensed temperature mounting means for moving the corresponding said sensed temperature contact relative to said corresponding set temperature contact to control the cooking temperature and for moving the other sensed temperature contact at a higher self-clean temperature relative to the corresponding set temperature contact in response to the sensed temperature of the oven.
- 9. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both a cooking range of temperatures and at least one self-clean temperature, including a base, first matable fixed and movable contacts mounted relative to said base, second fixed and movable contacts mounted relative to said base, a rotatable shaft rotatable by the user relative to said base to select the cooking temperature, an inclined plane surface rotatable by the rotatable shaft for varying the fixed position of the first fixed contact, said control assembly having means movably mounted relative to said plane surface for movably supporting said first and second movable contacts, said control assembly including calibrating means for setting the fixed position of the second fixed contact relative to said base, a fluid activated temperature responsive means, a driving assembly driven by the fluid activated temperature responsive means and including said movable supporting means for moving said first movable contact relative to said base to control the cooking temperature and said second movable contact at a higher temperature in the self-clean range to move said second movable contact relative to said base, said movable supporting means including a first follower arm and said driving assembly including a second follower arm, said first movable contact being supported for movement on said first follower arm, said second movable contact being supported on said second follower arm, said second follower arm being actuated in response to the movement of said first follower arm.
- 10. An assembly as claimed in claim 9 in which the connection between the movable portion of said fluid activated temperature responsive means and the driving assembly includes a thin piece of metal acting in tension.
- 11. An assembly as claimed in claim 10 in which rotation of the shaft to the self-clean range of temperatures shifts the first fixed contact in a direction towards the first movable contact.
- 12. An assembly as claimed in claim 11 further including a housing wherein said first and second matable contacts are supported within said housing.
- 13. The assembly of claim 9 wherein said driving arm assembly includes pin means disposed between said first and second follower arms, said pin means forming at least part of said connection between said first and second follower arms during the actuation of said second follower arm.
- 14. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both cooking and self-clean temperatures, said assembly including a base, a first set temperature mounting means mounted relative to said base and a first set temperature contact mounted on said first set temperature mounting means, a first sensed temperature mounting means mounted relative to said base and a first sensed temperature contact mounted on said first sensed temperature mounting means, said first contacts being matable, a second set temperature mounting means mounted relative to said base and a second set temperature contact mounted on said second set temperature mounting means, a second sensed temperature mounting means mounted relative to said base and a second sensed temperature contact mounted on said second sensed temperature mounting means, said second contacts being matable, first and second rotatable shafts axially fixed and rotatable relative to the base by the user said first shaft adapted to select at least one of a cooking and self-clean temperature, said second shaft adapted to allow the user to select a mode of operation of said oven, a cam element mounted on said first rotatable shaft for rotation therewith having an inclined plane surface formed thereon, means mounted on one of said first and second set temperature mounting means and engageable with said inclined plane for setting the position of said corresponding set temperature contact, calibrating means mounted between said base and the other of said first and second set temperature mounting means for setting the position of said corresponding set temperature contact, a fluid actuated temperature responsive means, means driven by the temperature responsive means and operatively connected to one of said first and second sensed temperature mounting means for moving the corresponding said sensed temperature contact relative to said corresponding set temperature contact to control the cooking temperature and for moving the other sensed temperature contact at a higher self-clean temperature relative to the corresponding set temperature contact in response to the sensed temperature of the oven.
- 15. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both a cooking range of temperatures and at least one self-clean temperature, including a base, first matable fixed and movable contacts mounted relative to said base, second fixed and movable contacts mounted relative to said base, a rotatable shaft rotatable by the user relative to said base to select the cooking temperature, a fixed temperature assembly including an inclined plane surface rotatable by the rotatable shaft for varying the fixed position of the first fixed contact, said control assembly having means movably mounted relative to said plane surface for movably supporting said first and second movable contacts, said control assembly including calibrating means for setting the fixed position of the second fixed contact relative to said base, a fluid activated temperature responsive means, a driving assembly driven by the fluid activated temperature responsive means and including said movable supporting means for moving said first movable contact relative to said first fixed contact to control the cooking temperature and said second movable contact at a higher temperature in the self-clean range to move said second movable contact relative to said second fixed contact, said fluid activated temperature responsive means being a Bourdon tube having a fixed portion relative to said base and a movable portion, said movable portion of the Bourdon tube being connected to the driving assembly.
- 16. An assembly as claimed in claim 15 in which said driving assembly is moved in response to the rotation of the movable portion of the fluid activated temperature responsive means.
- 17. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both a cooking range of temperatures and at least one self-clean temperature, including a base, first matable fixed and movable contacts mounted relative to said base, second fixed and movable contacts mounted relative to said base, a rotatable shaft rotatable by the user relative to said base to select the cooking temperture, an inclined plane surface rotatable by the rotatable shaft for varying the fixed position of the first fixed contact, calibrating means for setting the fixed position of the second fixed contact relative to said base, a fluid activated temperature responsive means, a driving assembly driven by the temperature responsive means and operably connected to said first movable contact to move it relative to said first fixed contact to control the cooking temperature and operably connected to said second movable contact at a higher temperature to move it relative to said second fixed contact.
- 18. An assembly as claimed in claim 17 in which the driving assembly is moved in rotation by the fluid activated temperature responsive means.
- 19. A control assembly for controlling the flow of electrical energy to a heater load in an oven having both a cooking range of temperatures and at least one self-clean temperature, including a base, first matable fixed and movable contacts mounted relative to said base, second fixed and movable contacts mounted relative to said base, a rotatable shaft rotatable by the user relative to said base to select the cooking temperature, an inclined plane surface rotatable by the rotatable shaft for varying the fixed position of the first fixed contact, calibrating means for setting the fixed position of the second fixed contact relative to said base, a Bourdon tube having at least a portion thereof formed as a spiral, said Bourdon tube having a fixed portion relative to said base and a movable portion, said movable portion of the Bourdon tube being connected to a driving assembly, said driving assembly being driven by the Bourdon tube and operably connected to said first movable contact to move it relative to said first fixed contact to control the cooking temperature and operably connected to said second movable contact at a higher temperature to move it relative to said second fixed contact.
- 20. A controller assembly for controlling the flow of electrical energy from a source to a load in two ranges of operation of quantity of energy being supplied to the load, said controller assembly including a housing, at least first and second matable contacts mounted in said housing, a control arm assembly pivotally mounted in said housing connected to control the mated and unmated condition of said first and second contacts, said control arm assembly including first and second follower means associated therewith for controlling the position of said control arm assembly in response to the position of said first and second follower means, said first and second follower means being adjustable, and follower means positioning means including movable means mounted in said housing and engageable with one of said first and second follower means and fixed stop means mounted in said housing and engageable with another of said first and second follower means, said movable means engaging said one follower means during a portion of the movement thereof to control the flow of energy to the load in one of the ranges of operation, said another follower means engaging said stop means during another portion of movement of said movable means to control the flow of energy to the load in the other of the ranges of operation.
- 21. The assembly of claim 20 wherein said one of said first and second follower means is disengaged from said movable means during said another portion of movement.
- 22. The assembly of claim 20 wherein said another of said first and second follower means is disengaged from said stop means during said one portion of movement.
- 23. The assembly of claim 22 wherein said one of said first and second follower means is disengaged from said movable means during said another portion of movement.
- 24. The control assembly of claim 20 wherein said movement is rotational relative to said housing.
- 25. The assembly of claim 24 wherein said movable means has formed thereon an inclined plane engageable with said one of said first and second follower means for one portion of rotation thereof.
- 26. The assembly of claim 25 wherein said inclined plane disengages from said one of said first and second follower means for another portion of rotation thereof.
- 27. The assembly of claim 26 wherein said inclined plane is discontinuous at the junction of said one and said another portion of rotation.
- 28. The assembly of claim 27 wherein said control arm assembly includes a control arm and said first follower means comprises a first projection and said second follower means comprise a second projection, said first and second projections extending outward from said control arm.
- 29. The assembly of claim 28 wherein said first projection is adapted to engage said inclined plane and said second projection is adapted to engage said stop means.
- 30. The assembly of claim 29 wherein said stop means is an integral projection of said housing.
- 31. The assembly of claim 30 wherein said follower means is disengaged from said movable means during said another portion of movement.
- 32. The assembly of claim 31 wherein said follower means is disengaged from said stop means during said one portion of movement.
- 33. The assembly of claim 20 wherein said first and second adjustable follower means comprises first and second spaced members provided on said control arm assembly, one of said members engageable with said movable means and the other of said members engageable with said fixed stop means.
- 34. A controller assembly for controlling the flow of electrical energy from a source to a heater in an oven in two temperature ranges of operation of the oven including a cooking range and a self-clean range, said controller assembly including a housing, at least first and second matable contacts mounted in said housing, a control arm assembly pivotally mounted in said housing connected to control the mated and unmated condition of said first and second contacts, said control arm assembly including a control arm, follower means provided on said control arm for controlling the position of said control arm in response to the position of said follower means and follower means positioning means including movable means mounted in said housing and engageable with said follower means and fixed stop means mounted in said housing and engageable with said follower means, said movable means engaging said follower means during a portion of the movement thereof to control the flow of energy to the heater in the cooking range of temperatures, said follower means engaging said stop means during another portion of movement of said moveable means to control the flow of energy to the load in the self-clean range of temperatures.
- 35. The assembly of claim 34 wherein said follower means is disengaged from said movable means during said another portion of movement.
- 36. The assembly of claim 34 wherein said follower means is disengaged from said stop means during said one portion of movement.
- 37. The assembly of claim 36 wherein said follower means is disengaged from said movable means during said another portion of movement.
- 38. The control assembly of claim 34 wherein said movement is rotational relative to said housing.
- 39. The assembly of claim 38 wherein said follower means positioning means has formed thereof an inclined plane engageable with said follower means for one portion of rotation thereof corresponding to the cooking range of temperatures.
- 40. The assembly of claim 39 wherein said inclined plane disengages from said follower means for another portion of rotation thereof corresponding to the self-clean range of temperatures.
- 41. The assembly of claim 40 wherein said inclined plane is discontinuous at the junction of said one and said another portion of rotation.
- 42. The assembly of claim 41 wherein said control arm assembly includes a control arm and said follower means includes first and second projections extending outward from said control arm.
- 43. The assembly of claim 42 wherein said first projection is adapted to engage said inclined plane and said second projection is adapted to engage said stop means during said one and said another portions of rotation, respectively.
- 44. The assembly of claim 43 wherein said stop means is an integral projection of said housing.
- 45. The assembly of claim 44 wherein said follower means are adjustable and comprises first and second spaced members provided on said control arm, one of said members engageable with said movable means and the other of said members engageable with said fixed stop means.
Parent Case Info
This application is a continuation of Ser. No. 557,012 filed Mar. 10, 1975 now abandoned, which is a continuation of Ser. No. 127,341 filed Mar. 23, 1971 now abandoned, which is a division of Ser. No. 28,220 filed Apr. 16, 1970 now abandoned which is a continuation of Ser. No. 678,030 filed Oct. 26, 1967 now abandoned.
US Referenced Citations (10)
Divisions (1)
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Number |
Date |
Country |
Parent |
28220 |
Apr 1970 |
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Continuations (3)
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Number |
Date |
Country |
Parent |
557012 |
Mar 1975 |
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Parent |
127341 |
Mar 1971 |
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Parent |
678030 |
Oct 1967 |
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