A device for raising and lowering a structure comprises a support, an adjustment mechanism, and a sensor mechanism. The support includes a first portion and a second portion configured and arranged to receive at least a portion of the first portion. The structure is operatively connected to the seco
A device for raising and lowering a structure comprises a support, an adjustment mechanism, and a sensor mechanism. The support includes a first portion and a second portion configured and arranged to receive at least a portion of the first portion. The structure is operatively connected to the second portion. The adjustment mechanism interconnects the first portion and the second portion and is configured and arranged to move the second portion relative to the first portion thereby moving the structure relative to the first portion. The sensor mechanism is operatively connected to the adjustment mechanism and is configured and arranged to activate the adjustment mechanism under predetermined conditions. The sensor mechanism activates the adjustment mechanism to raise the second portion under a first predetermined condition and lower the second portion under a second predetermined condition.
대표청구항▼
1. A device for raising and lowering a structure, comprising: a support including a first portion and a second portion configured and arranged to receive at least a portion of the first portion, the second portion being configured and arranged to be operatively connected to the structure;a connectin
1. A device for raising and lowering a structure, comprising: a support including a first portion and a second portion configured and arranged to receive at least a portion of the first portion, the second portion being configured and arranged to be operatively connected to the structure;a connecting member configured and arranged to be operatively connected to the structure and to the first portion, wherein the connecting member has an intermediate portion interconnecting a first end and a second end, the first end being operatively connected to the structure, the second end being operatively connected to a wheel mechanism, the intermediate portion being operatively connected to the first portion;an adjustment mechanism interconnecting the first portion and the second portion and configured and arranged to move the second portion relative to the first portion thereby moving the structure relative to the first portion; anda sensor mechanism operatively connected to the adjustment mechanism and configured and arranged to activate the adjustment mechanism under predetermined conditions, the sensor mechanism activating the adjustment mechanism to raise the second portion under a first predetermined condition and lower the second portion under a second predetermined condition. 2. The device of claim 1, wherein the support is a post, the first portion is an inner leg, and the second portion is an outer leg. 3. The device of claim 1, wherein the adjustment mechanism includes a motor assembly, a motor controller, a gearbox, and a drive screw. 4. The device of claim 3, wherein the motor assembly is powered by a battery. 5. The device of claim 4, wherein the battery is a rechargeable battery. 6. The device of claim 3, wherein the drive screw is driven by the gearbox, the motor assembly, and the motor controller. 7. The device of claim 3, wherein the motor controller is logic-programmed to raise and lower the structure in response to inputs from the sensor mechanism. 8. The device of claim 1, wherein the sensor mechanism includes a high water sensor and a low water sensor to raise and lower the structure in response to changing water levels. 9. A device for raising and lowering a structure in response to changing water levels, comprising: a post including an inner leg and an outer leg, the outer leg configured and arranged to receive at least a portion of the inner leg, the outer leg being configured and arranged to be operatively connected to the structure, the inner leg having an inner leg top portion and an inner leg bottom portion, the outer leg having an outer leg top portion;a connecting member configured and arranged to be operatively connected to the structure and to the inner leg bottom portion;a nut operatively connected to the inner leg top portion;a gearbox operatively connected to the outer leg top portion;a drive screw interconnecting the nut and the gearbox;a motor assembly operatively connected to the drive screw;a controller operatively connected to the motor assembly; anda high water level sensor and a low water level sensor operatively connected to the outer leg and configured and arranged to provide input to the controller, the high water level sensor activating the controller to move the outer leg relative to the inner leg to lengthen the post under a first predetermined condition, the low water level sensor activating the controller to move the outer leg relative to the inner leg to shorten the post under a second predetermined condition. 10. The device of claim 9, wherein the controller is selected from the group consisting of a motor controller and a three-way switch. 11. The device of claim 9, wherein the connecting member has an intermediate portion interconnecting a first end and a second end, the first end being operatively connected to the structure, the second end being operatively connected to a wheel mechanism, the intermediate portion being operatively connected to the inner leg bottom portion.
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이 특허에 인용된 특허 (30)
Oman Robert (284 Maplehurst Avenue Toronto ; Ontario CAX M2N 3C4) Oman David (330 Winnifred Drive Keswick ; Ontario CAX L3P 3B5), Apparatus for maintaining a scientific and measuring instrument or the like in a level plane.
Franklin Robert E. (HCR 67 ; Box 2576 Jamaica VA 23079) Hill ; IV Philip L. (Rte. 2 ; Box 5 Rockville VA 23146), Arrangement for raising or lowering boats or the like.
Levee Leonard E. (P.O. Box 504 Lyons TX 77863) Kuenzel Rainer (Houston TX), Method and apparatus for selecting and maintaining the level of a pier deck.
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