Embodiments of the present invention generally relate to a drawer lifting mechanism, and more particularly to a mechanism that is adapted to bring stored items that are disposed on a supporting surface of a drawer lifting mechanism to a user. The drawer lifting mechanism may be actuated by human pow
Embodiments of the present invention generally relate to a drawer lifting mechanism, and more particularly to a mechanism that is adapted to bring stored items that are disposed on a supporting surface of a drawer lifting mechanism to a user. The drawer lifting mechanism may be actuated by human power or by use of one or more actuators. In some configurations, the drawer lifting mechanism is disposed and used in the kitchen to enable the delivery of the contents of a kitchen cabinet to a user that is disposed proximate to the cabinet.
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1. An apparatus for positioning supported components, comprising: a first drawer lifting mechanism that comprises: two or more linkage structures that each comprise a plurality of linkage bars;a supporting member having a supporting surface, wherein the supporting member is disposed on or coupled to
1. An apparatus for positioning supported components, comprising: a first drawer lifting mechanism that comprises: two or more linkage structures that each comprise a plurality of linkage bars;a supporting member having a supporting surface, wherein the supporting member is disposed on or coupled to a first linkage bar of the plurality of linkage bars; anda first actuator assembly having an output shaft that is coupled to a second linkage bar of the plurality of linkage bars, and is adapted to move the supporting member from a first position to a second position by changing the orientation of the second linkage bar;a system controller that is in communication with the first actuator, and comprises a processor;a weight sensing assembly that is configured to measure the weight of an object disposed on the supporting member and provide information relating to the measured weight to the system controller;a memory having stored therein a number of instructions which, when executed by the processor, causes the apparatus to perform operations comprising: counting from a first time to a second time using a timing circuit, wherein the object is positioned on the weight sensing assembly while the timing circuit counts from the first time to the second time; andgenerating the alarm when the difference between the first time and the second time exceeds a time value stored in memory, wherein generating the alarm comprises delivering an audio signal to a speaker or a visual prompt generated on a display coupled to the system controller; anda bar-code reading system that is configured to provide information about the object disposed on the supporting member when a bar code disposed on the object is scanned by the bar-code reading system, wherein the time value stored in memory is derived from the information provided from the bar-code reading system. 2. The apparatus of claim 1, wherein the plurality of linkage bars further comprise: a driven linkage bar that is rotationally coupled to a driven axis;a second linkage bar that is rotationally coupled to a base structure;a third linkage bar that is rotationally coupled to the base structure;a fourth linkage bar that is rotationally coupled to the second linkage bar, the third linkage bar and the driven linkage bar; andwherein the first linkage bar is rotationally coupled to the second linkage bar and the third linkage bar. 3. The apparatus of claim 2, wherein the driven bar, first bar, second bar, third bar and fourth bar each comprise a bar, rod or i-beam. 4. The apparatus of claim 1, wherein the two or more linkage structures of the first drawer lifting mechanism are disposed within a processing region of an oven. 5. The apparatus of claim 1, wherein the processor is further configured to cause the apparatus to perform the operations comprising: measuring the weight of the object at a third time and a fourth time using the weight sensing assembly and the timing circuit; andgenerating an alarm when the difference between the weight measured at the third time and the weight measured at the fourth time exceeds a weight value, wherein generating the alarm comprises delivering an audio signal to a speaker or a visual prompt generated on a display coupled to the system controller. 6. The apparatus of claim 1, further comprising: a memory having stored therein a number of instructions which, when executed by the processor, causes the apparatus to perform operations comprising: measuring the weight of the object at a third time and a fourth time using the weight sensing assembly; andgenerating the alarm when the difference between the weight measured at the third time and the weight measured at the fourth time exceeds a weight value, wherein generating the alarm comprises delivering an audio signal to a speaker or a visual prompt generated on a display coupled to the system controller. 7. The apparatus of claim 6, wherein the bar-code reading system is further configured to provide information about the object disposed on the supporting member to the system controller when the bar code disposed on the object is scanned by the bar-code reading system, wherein the weight value is derived from the information provided from the bar-code reading system. 8. The apparatus of claim 1, further comprising: a bar-code reading system that is configured to provide information about the object disposed on the supporting member to the system controller when a bar code disposed on the object is scanned by the bar-code reading system. 9. The apparatus of claim 1, further comprising: a second drawer lifting mechanism that comprises: two or more linkage structures that each comprise a plurality of linkage bars;a supporting member having a supporting surface, wherein the supporting member is disposed on or coupled to a first linkage bar of the plurality of linkage bars; anda second actuator assembly having an output shaft that is coupled to a second linkage bar of the plurality of linkage bars, and is adapted to move the supporting member from a first position to a second position by changing the orientation of the second linkage bar; anda wireless transceiver that is in communication with the processor and a first wireless transceiver coupled to the first actuator assembly and a second wireless transceiver coupled to the second actuator assembly. 10. An apparatus for positioning supported components, comprising: a first drawer lifting mechanism that comprises: two or more linkage structures that each comprise a plurality of linkage bars;a supporting member having a supporting surface, wherein the supporting member is disposed on or coupled to a first linkage bar of the plurality of linkage bars; anda first actuator assembly having an output shaft that is coupled to a second linkage bar of the plurality of linkage bars, and is adapted to move the supporting member from a first position to a second position by changing the orientation of the second linkage bar;a system controller that is in communication with the first actuator, and comprises a timing circuit and a processor;a weight sensing assembly that is configured to measure the weight of an object disposed on the supporting member and provide information relating to the measured weight to the system controller;a bar-code reading system that is configured to provide information about the object to the system controller when a bar code disposed on the object is scanned by the bar-code reading system; anda memory having stored therein a number of instructions which, when executed by the processor, causes the apparatus to perform operations comprising: monitoring a characteristic of the object over a period of time; andgenerating the alarm when the monitored characteristic exceeds a value stored in memory, wherein generating the alarm comprises delivering an audio signal to a speaker or a visual prompt generated on a display coupled to the system controller. 11. The apparatus of claim 10, wherein the two or more linkage structures of the first drawer lifting mechanism are disposed within a processing region of an oven. 12. The apparatus of claim 10, wherein the processor is further configured to cause the apparatus to perform the operations comprising: counting from a first time to a second time using the timing circuit,wherein the object is positioned on the weight sensing assembly while the timing circuit counts from the first time to the second time, andwherein the generating the alarm further comprises generating an alarm when the difference between the first time and the second time exceeds the value stored in memory. 13. The apparatus of claim 12, wherein the processor is further configured to cause the apparatus to perform the operations comprising: measuring the weight of the object at a first time and a second time using the weight sensing assembly and the timing circuit, andwherein the generating the alarm further comprises generating an alarm when the difference between the weight measured at the first time and the weight measured at the second time exceeds a weight value. 14. The apparatus of claim 10, wherein the monitored characteristic is selected from a group consisting of a change in the weight and an amount of time the object is positioned on the supporting member. 15. An apparatus for positioning supported components, comprising: a first drawer lifting mechanism that comprises: a base structure;two or more linkage structures, each of the linkage structures comprising: a driven bar that is rotationally coupled to a driven axis;a first bar that is rotationally coupled to the base structure;a second bar that is rotationally coupled to the base structure;a third bar that is rotationally coupled to the first bar, the second bar and the driven bar; anda fourth bar that is rotationally coupled to the first bar and the second bar;a supporting member that is disposed on the fourth bar, and having a supporting surface; anda first actuator assembly having an output shaft that is coupled to the driven bar and is adapted to move the supporting member from a first position to a second position by changing the orientation of the driven bar;a system controller comprising a timing circuit, a first wireless transceiver and a processor, wherein the first wireless transceiver is in communication with a second wireless transceiver that is in communication with the first actuator assembly;a weight sensing assembly that is configured to measure the weight of an object disposed on the supporting member and provide information relating to the measured weight to the system controller;a bar-code reading system that is configured to provide information about the object disposed on the supporting member when a bar code disposed on the object is scanned by the bar-code reading system; anda memory having stored therein a number of instructions which, when executed by the processor, causes the apparatus to perform operations comprising: monitoring a characteristic of the object over a period of time, wherein the monitored characteristic is selected from a group consisting of a change in the weight and an amount of time the object is positioned on the supporting member; andgenerating the alarm when the monitored characteristic exceeds a value stored in memory, wherein generating the alarm comprises delivering an audio signal to a speaker or a visual prompt generated on a display coupled to the system controller. 16. The apparatus of claim 15, wherein the base structure further comprises a slide or rail. 17. The apparatus of claim 15, wherein the first actuator assembly further comprises a pinion gear that is coupled to the driven bar and a rack gear that is in contact with the pinion gear, wherein the first actuator assembly is adapted to move the supporting member from a first position to a second position when the pinion gear is translated relative to rack gear.
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