Electro-hydraulic hoisting apparatus

• US 20060208240A1
• Filed: 02/21/2006
• Published: 09/21/2006
• Est. Priority Date: 03/15/2005
• Status: Abandoned Application

• Current Assignee: Dennis J. Carlton, Spittle R. Jason
• Original Assignee: Dennis J. Carlton, Spittle R. Jason
• Inventors: Carlton, Dennis J., Spittle, R. Jason
• Application Number:
  US11/358,643
• Publication Number:
  US 20060208240A1
• Time in Patent Office: Days
• US Class Current: 254/8.B
• CPC Class Codes: B66C 23/48 Manually-movable jib cranes for use in workshops

Abstract

An electro-hydraulic lifting apparatus. An electrical controller controls a two-way hydraulic ram via a hydraulic pump. The electrical controller allows a single operator to automatically and precisely (i.e., millimeters, fraction of an inch, etc.) raise and lower a heavy object such as an automobile engine, marine engine, etc., via the electrical-hydraulic lifting apparatus.

Claims

1. An electro-hydraulic lifting apparatus, comprising in combination:

a horizontal base;

two or more horizontally-oriented elongated legs extending perpendicularly from and attached to the base, wherein the two or more horizontally-elongated legs are adapted for accepting leg extensions to provide additional stability for the horizontal base;

a vertical-oriented support component connected to the horizontal base for accepting a telescopic boom;

a pivotally mounted lifting beam including a horizontal telescoping boom and a hoisting apparatus connected to the vertical-oriented support component, wherein the horizontal telescopic boom connected to the vertical support for precisely raising and lowering an object;

a two-way hydraulic ram connected between the vertical-oriented support and the horizontal telescopic boom for precisely raising and lowering an object via the horizontal telescopic boom in an up or down direction, wherein the two-way hydraulic ram is precisely raised and lowered with hydraulic pressure from a reservoir;

a reservoir connected to the two-way hydraulic ram to supply hydraulic fluid to provide hydraulic pressure to the two-way hydraulic ram;

a hydraulic pump connected to the hydraulic ram including a plurality of electro-static valves for automatically and dynamically controlling the two-way hydraulic ram by automatically adding or removing hydraulic pressure to the two-way hydraulic ram when a load is applied to the horizontal telescopic boom and the horizontal telescopic boom is moved in an up or down direction;

an electrical controller connected to the hydraulic pump for controlling the hydraulic pump, thereby automatically, dynamically and precisely controlling the two-way hydraulic ram; and

a portable power source for providing power to the electrical controller and the hydraulic pump.

2. The electro-hydraulic lifting apparatus of claim 1 wherein horizontal telescopic boom is extendable horizontally hydraulically or electrically.

3. The electro-hydraulic lifting apparatus of claim 1 wherein a two-way hydraulic ram does not rely on gravity to lower the horizontal telescope boom.

4. The electro-hydraulic lifting apparatus of claim 1 wherein the reservoir includes transmission fluid instead of hydraulic fluid.

5. The electro-hydraulic lifting apparatus of claim 1 wherein two-way hydraulic ram is precisely raised and lowered with hydraulic pressure with a precision of least one-sixteenth-inch increments.

6. The electro-hydraulic lifting apparatus of claim 1 wherein the electrical controller includes an up button and a down button.

7. The electro-hydraulic lifting apparatus of claim 1 wherein the electrical controller includes one or more other buttons, knobs, round control lever or sliding control lever.

8. The electro-hydraulic lifting apparatus of claim 1 wherein the electrical controller is a wireless electrical controller.

9. The electro-hydraulic lifting apparatus of claim 1 wherein the wireless electrical controller includes a IEEE 802.11a, 802.11b, 802.11g, 802.11n, 802.15.4 (ZigBee), 802.16a, 802.16g, Wireless Fidelity (Wi-Fi), Worldwide Interoperability for Microwave Access (WiMAX), ETSI High Performance Radio Metropolitan Area Network (HIPERMAN) RF Home, Bluetooth, infrared wireless interface.

10. The electro-hydraulic lifting apparatus of claim 1, wherein the portable power source includes a direct current battery.

11. The electro-hydraulic lifting apparatus of claim 10, wherein the direct current battery includes a six-volt, twelve-volt or twenty-four volt direct current battery.

12. The electro-hydraulic lifting apparatus of claim 1 wherein the plurality of electro-static valves continuously measure and adjust hydraulic pressure on the two-way hydraulic ram and adjust the hydraulic pressure with a flow of no more than 0.75 gallons-per-minute.

13. The electro-hydraulic lifting apparatus of claim 1 wherein the a pivotally mounted lifting beam includes a plurality of different hoisting apparatus specifically sized and shaped for lifting pre-determined objects.

14. The electro-hydraulic lifting apparatus of claim 13 wherein the plurality of different hoisting apparatus including an individual hoisting apparatus for a motor, transmission, trailer, pipe, valve, human patient or animal.

15. An electro-hydraulic lifting apparatus, comprising in combination:

lifting means for precisely lifting an object with a hydraulic means, wherein the hydraulic pressure is controlled with an electrical means;

hydraulic means for precisely, automatically and dynamically controlling the lifting means by automatically adding or removing hydraulic pressure via a plurality of electro-static valves when a load is applied to lifting means and when the lifting means is moved in an up or down direction;

electrical means for controlling the hydraulic means and the plurality of electro-static valves included in the hydraulic means; and

a portable power means for providing power to the electrical means and the hydraulic means.

16. The electro-hydraulic lifting apparatus of claim 15 wherein the hydraulic means includes a two-way hydraulic ram.

17. The electro-hydraulic lifting apparatus of claim 15 wherein the portable power means includes a direct current battery.

18. The electro-hydraulic lifting apparatus of claim 15 wherein the lifting means is used to lift a motor, transmission, trailer, pipe, valve, human patient or animal.

19. The electro-hydraulic lifting apparatus of claim 15 wherein the electrical means includes a wireless electrical means.

20. An electro-hydraulic lifting apparatus, comprising in combination:

a horizontal boom for lifting an object in an up and down direction;

a two-way hydraulic ram connected to the horizontal boom for precisely raising and lowering the object in an up or down direction, wherein the two-way hydraulic ram is precisely raised and lowered with hydraulic pressure from a reservoir;

a reservoir connected to the two-way hydraulic ram to supply hydraulic fluid to provide hydraulic pressure to the two-way hydraulic ram;

a hydraulic pump connected to the hydraulic ram including a plurality of electro-static valves for automatically and dynamically controlling the two-way hydraulic ram by automatically adding or removing hydraulic pressure to the two-way hydraulic ram when a load is applied to the horizontal telescopic boom and the horizontal telescopic boom is moved in an up or down direction;

an electrical controller connected to the hydraulic pump for controlling the hydraulic pump, thereby automatically, dynamically and precisely controlling the two-way hydraulic ram; and

a portable power source for providing power to the electrical controller and the hydraulic pump.