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Crane level indicator device

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01C-009/14
출원번호 US-0545918 (1995-10-20)
발명자 / 주소
  • Brenna Douglas J. (1873 N. Ruby Ct. Eagan MN 55122) Brenna Shirley A. (1873 N. Ruby Ct. Eagan MN 55122)
인용정보 피인용 횟수 : 38  인용 특허 : 8

초록

Disclosed is a level indicator device for cranes. A sensor sending unit fixed to the crane base utilizes a free swinging pendulum with a tip which activates sensor portions on a sensor board. An out-of-level attitude of the crane tilts the sensor sending unit and thus moves the pendulum tip to conta

대표청구항

A level indicator device for a crane, of the type which is positionable on an operating surface and which has a frame, an operator station, and leveling controls for adjusting the gravitational level of the crane, the level indicator device comprising: a) a remote sensor sending unit positionable on

이 특허에 인용된 특허 (8)

  1. Komasaku Seiichi (Yokohama JPX) Iiyama Hiroshi (Yokosuka JPX) Watanabe Noboru (Tokyo JPX) Tanaka Osamu (Kawasaki JPX), Angle change detector.
  2. Komasaku Seiichi (Yokohama JPX) Iiyama Hiroshi (Yokosuka JPX) Watanabe Noboru (Tokyo JPX) Tanaka Osamu (Kawasaki JPX), Angle change detector.
  3. Jysky Goran (Nykoping SW) Mardla Ilmar (Nykoping SW) Ericsson Bjorn (Nykoping SW), Directing instrument.
  4. Oberg Neil G. (Longmont CO), Electronic level measuring systems for truck trailers.
  5. Motoda Kenro (Tokyo JPX) Isoe Hirosuke (Tokyo JPX), Method of detecting vertically, detector therefor and level maintaining base which employs said detector and which acts.
  6. Preston Corlis E. (209 E. Duane Ave. Sunnyvale CA 94086) Hsia Victor K. (208 E. Eaglewood Ave. Sunnyvale CA 94086), Travel trailer level indicator.
  7. Marantz Jacob J. (2706 SE. 14th St. Pompano Beach FL 33062), Vehicle electronic level measuring and display device.
  8. Hofius Walter E. (4030 W. 118th St. Bloomington MN 53437), Vehicle leveling and stabilizing apparatus.

이 특허를 인용한 특허 (38)

  1. Hollander, Hunter, Alignment of flagstaffs in the marching formations.
  2. Voecks, Larry A., Apparatus and method for measuring and controlling pendulum motion.
  3. Voecks,Larry A., Apparatus and method for measuring and controlling pendulum motion.
  4. Voecks,Larry A., Apparatus and method for measuring and controlling pendulum motion.
  5. Feller, Walter J.; Whitehead, Michael L.; McClure, John A., Combined GNSS gyroscope control system and method.
  6. McClure, John A.; Stichter, Aaron C., Control for dispensing material from vehicle.
  7. Ashjaee, Javad, Electronic plumb indicator for monopoles, survey poles, global positioning antennas and the like.
  8. Webber, Mark R.; Jones, Keith R.; McClure, John A.; Roberge, Andre C.; Feller, Walter J.; Whitehead, Michael L., GNSS and optical guidance and machine control.
  9. Webber, Mark R.; Jones, Keith R.; McClure, John A.; Roberge, Andre C.; Feller, Walter J.; Whitehead, Michael L., GNSS and optical guidance and machine control.
  10. Webber, Mark R.; Jones, Keith R.; McClure, John A.; Roberge, Andre C.; Feller, Walter J.; Whitehead, Michael L., GNSS and optical guidance and machine control.
  11. Collins, Dennis M.; Brown, Michael D., GNSS contour guidance path selection.
  12. McClure, John A.; Heiniger, Richard W.; Funk, Kent D.; Timm, John T. E.; Wong, Richard B.; Collins, Dennis M., GNSS control system and method.
  13. Pollock, Colin J.; Burnell, Kirk, GNSS control system and method for irrigation and related applications.
  14. Roberge, André C.; Feller, Walter J.; Whitehead, Michael L.; McClure, John A.; Miller, Steven R., GNSS guidance and machine control.
  15. Reeve, David R.; Jones, Malcolm B.; Ramm, Andreas F.; Stichter, Aaron C.; Gattis, Joshua M., GNSS integrated multi-sensor control system and method.
  16. Guyette, Greg S.; McVay, Ian; Hennessey, Patrick H.; Collins, Dennis M., GNSS optimized aircraft control system and method.
  17. Whitehead, Michael L.; Badke, Bradley P.; McClure, John A.; Miller, Steven R., GNSS receiver and external storage device system and GNSS data processing method.
  18. Webber, Mark R.; Badke, Bradley P.; Feller, Walter J.; Miller, Steven R., GNSS superband ASIC with simultaneous multi-frequency down conversion.
  19. McClure, John A.; Collins, Dennis M.; Stichter, Aaron C.; Timm, John T. E., GNSS-based mobile communication system and method.
  20. Whitehead, Michael L.; Feller, Walter J., GNSS-based tracking of fixed or slow-moving structures.
  21. Diaz,Hiram, Inclination angle reader and method for using same.
  22. Fischer,David C., Method and apparatus for measuring angular or linear displacement.
  23. Whitehead, Michael L.; Miller, Steven R.; McClure, John A.; Davis, Cary; Feller, Walter J., Method and system using GNSS phase measurements for relative positioning.
  24. Whitehead, Michael L.; Miller, Steven R.; McClure, John A.; Feller, Walter J., Multi-antenna GNSS control system and method.
  25. Whitehead, Michael L.; Feller, Walter J., Multi-antenna GNSS positioning method and system.
  26. Miller, Steven R., Multi-frequency GNSS receiver baseband DSP.
  27. Whitehead, Michael L.; Feller, Walter J.; McClure, John A.; Miller, Steven R., Multiple-antenna GNSS control system and method.
  28. Reeve, David R., Optical tracking vehicle control system and method.
  29. Yahiaoui,Mohamed; Boeckman,Brian Michael, Overturning moment measurement system.
  30. Collins, Dennis M.; McClure, John A., Raster-based contour swathing for guidance and variable-rate chemical application.
  31. McClure, John A.; Collins, Dennis M., Raster-based contour swathing for guidance and variable-rate chemical application.
  32. McClure, John A.; Collins, Dennis M.; Timm, John T. E., Satellite based vehicle guidance control in straight and contour modes.
  33. Dwyer, Paul, System and apparatus for servicing equipment.
  34. Whitehead, Michael L., System and method for augmenting DGNSS with internally-generated differential correction.
  35. Whitehead, Michael L.; Miller, Steve R., Unbiased code phase discriminator.
  36. Macdonald, Andrew John; Reeve, David Robert; Morrison, Campbell Robert, Vehicle control system.
  37. Ford, Robert M.; Haley, Shawn P.; Manfreda, John P., Vehicle leveling assembly.
  38. McClure, John A.; Miller, Steven R., Visual, GNSS and gyro autosteering control.
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