Automatic support locking device for portable towers and tanks

Details Automatic support locking device for portable towers and tanks Automatic support locking device for portable towers and tanks

2006-08-29

2006-08-29

Watson, Robert C. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Multiple lifters

Reexamination Certificate

active

07097152

ABSTRACT:
The current invention describes an automatically locking leg support system for portable water and fuel towers. The system automatically locks a wedge into a support leg to support a water tower, once the tower reaches the desired elevated position, and holds the support leg in the desired position. When the tank is to be lowered, the tower is emptied and a hydraulic system disengages the automatic locking device so that the tower can be lowered.

REFERENCES:
patent: 3736756 (1973-06-01), Lloyd
patent: 4411408 (1983-10-01), Radovan et al.
patent: 5181693 (1993-01-01), Lorenz
patent: 5322265 (1994-06-01), Keuck
patent: 5486069 (1996-01-01), Breeden
patent: 5918860 (1999-07-01), Cho
patent: 6135419 (2000-10-01), Hutson, Jr. et al.
patent: 6257272 (2001-07-01), Keiser
patent: 6705595 (2004-03-01), Belley et al.

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