Retractable control unit for refrigerators

• US 4,936,106 A
• Filed: 08/29/1989
• Issued: 06/26/1990
• Est. Priority Date: 08/29/1989
• Status: Expired due to Fees

• Current Assignee: White Consolidated Industries Incorporated (AB Electrolux)
• Original Assignee: White Consolidated Industries Incorporated (AB Electrolux)
• Inventors: Olsen, Donald J., Wuesthoff, Edward P., Mitchell, Terry, Beach, Sammie C. Jr.
• Primary Examiner(s): Tanner, Harry B.
• Application Number:
  US07/400,087
• Time in Patent Office: 301 Days
• Field of Search: 62/187, 62/125, 62/126, 62/127, 62/229, 62/441, 62/443, 62/444, 62/447, 62/131, 236/51, 236/94, 165/11.1, 337/20, 337/34, 337/112, 337/327, 337/380, 337/398, 337/414, 200/293, 200/296, 206/328, 206/329, 206/320
• US Class Current: 62/131
• CPC Class Codes: F25D 2700/12 Sensors measuring the inside temperature
• CPC Class Codes: F25D 29/005 Mounting of control devices

Abstract

A retractable temperature control for refrigeration units includes a control panel pivoted for movement between an extended, accessible position and a retracted position in which it is enclosed within one of the insulated walls of the unit. Mounted on the panel are two operators, one of which controls the temperature of a thermostat and the other of which controls the position of a damper. Adjustment of the operator associated with the thermostat controls the temperature of one compartment in the refrigeration unit and adjustment of the other operator controls the position of a damper, and in turn controls the differential temperature between the two compartments provided by the refrigeration unit. The thermostat and the damper control are structured so that movement of the control panel between the retracted and extended positions does not affect the adjustment thereof. When the controls are in the retracted position, they do not interfere with the placement of articles stored within the refrigeration compartments. Further, retraction of the controls prevents accidental damage of the controls and/or accidental change in the adjusted positions thereof.

Claims

1. A refrigerator apparatus comprising an insulated cabinet having walls defining a refrigeration compartment, a retractable control panel mounted for movement between a retracted position within said walls and an extended position in which it projects from said walls and is accessible within said compartment, adjustable temperature control means for controlling the temperature of said compartment and having an operator mounted on said control panel, said operator being accessible when said control panel is in said extended position and enclosed within said walls when said control panel is in said retracted position, the operation of said temperature control means being unaffected by movement of said control panel between said extended and retracted positions.

2. A refrigerator apparatus as set forth in claim 1, wherein said walls provide a wall portion along the upper side of said compartment, and said control panel and operator are enclosed within said wall portion when in said retracted position.

3. A refrigerator apparatus comprising an insulated cabinet having walls defining a freezer compartment and a separate non-frozen storage compartment, a retractable control panel mounted for movement between a retracted position within said walls and an extended position in which it projects from said walls and is accessible within one of said compartments, and adjustable temperature control means for controlling the temperatures in said compartments and having operators mounted on said control panel, said operators being accessible when said control panel is in said extended position and enclosed within said walls when said control panel is in said retracted position, the operation of said temperature control means being unaffected by movement with said control panel between said extended and retracted positions.

4. A refrigerator apparatus as set forth in claim 3, wherein releasable latch means are provided to retain said control panel in said recessed position, said latch means being releasable by a force on said control panel in the direction of movement toward said retracted position.

5. A refrigerator apparatus as set forth in claim 3, wherein said walls provide a wall portion along the upper side of said one compartment, and said control panel and operators are enclosed within said wall portion when in said retracted position.

6. A refrigerator apparatus as set forth in claim 5, wherein the lowest portion of said control panel is substantially flush with the surface of said wall portion when said control panel is in said retracted position whereby said control panel has no effect on the storage of items in said one compartment when said control panel is in said retracted position.

7. A refrigerator apparatus as set forth in claim 5, wherein said wall portion separates said compartments.

8. A refrigerator apparatus as set forth in claim 3 providing a refrigeration system, said control means including a thermostat providing a sensor sensing the temperature in said one compartment to control the operation of said refrigeration system and thereby control the temperature in said one compartment.

9. A refrigerator apparatus as set forth in claim 8, wherein said thermostat provides a body mounted on said control panel and movable therewith, said thermostat also providing a capillary tube sensor having a first portion movable with said control panel and a second portion fixed against movement relative to said one compartment, said capillary tube providing a flexible portion connecting said first and second portions permitting movement of said body with said control panel without causing damage to said capillary tube.

10. A refrigerator apparatus as set forth in claim 9, wherein said flexible portion is provided by coils formed in said capillary tube.

11. A refrigerator apparatus as set forth in claim 9, wherein said refrigerator system provides an evaporator and duct means operatively connecting said evaporator and said one compartment, said duct means providing adjustable damper means operable to control the portion of cooling reaching said one compartment and thereby adjustably controlling the temperature maintained in the other of said compartments, one of said operators being connected to adjust the position of said damper means.

12. A refrigerator apparatus as set forth in claim 11, wherein said damper means is connected to one of said operators by a Bowen tube.

13. A temperature control for refrigerator apparatus comprising a mounting frame having a side, said mounting frame being adapted to be mounted in a wall portion of a refrigerator with said side substantially flush with the surface of said wall portion, a movable frame member mounted on said mounting frame for movement between a retracted position recessed beyond said side and an extended position projecting beyond said side, and temperature control means having an operator mounted on said movable frame member positioned thereon for access when said movable frame member is in said extended position, the operation of said temperature control means being unaffected by the movement of said movable frame member between said extended and retracted positions.

14. A temperature control as set forth in claim 13, wherein said temperature control means includes a thermostat having a body mounted on said movable frame member and providing a temperature sensor extending from said movable frame member, said sensor providing a flexible portion accommodating movement of said body with said movable frame member.

15. A temperature control as set forth in claim 13, wherein said temperature control means includes a Bowen tube having one end mounted on said movable frame member, said Bowen tube being sufficiently flexible to accommodate movement of said movable frame member.

16. A temperature control as set forth in claim 13, wherein a touch latch is provided to releasably retain said movable frame member in said retracted position, said touch latch being released by pressure on said movable frame member in a direction toward said retracted position.