Liquid purification or separation – Structural installation – Flume stream type
Patent
1979-05-08
1981-07-07
Valenza, Joseph E.
Liquid purification or separation
Structural installation
Flume stream type
198517, E02B 508
Patent
active
042773350
ABSTRACT:
The present invention relates to an expansion and contraction system of a plurality of arms, and for example to an expansion and contraction system applicable to a rake arm of a dirt remover for discharging dust from the effluent of an aqueduct. The expansion and contraction system of the arm comprises a plurality of relatively slidably assembled pipes having different diameters respectively and a plurality of moving means each provided with a chain, such as an endless tension member and the like, extended between a pair of sprockets, such as guide wheels and the like, each moving means being provided in each pipe of the expansible and contractible arm, the spindle of the sprocket of each adjacent moving means being secured to a part of the endless chain of each opposite moving means, the pipe located at one end of the expansible and contractible arm being coupled with a conveyor frame of the moving means provided in said pipe, thereby enabling to rotationally drive the terminal sprocket of the moving means provided in the pipe at the other end of the expansible and contractible arm.
REFERENCES:
patent: 2335573 (1943-11-01), Scott
patent: 3534867 (1970-10-01), Johnston et al.
patent: 3591006 (1971-07-01), Daferner et al.
patent: 3638806 (1972-02-01), Hippach
patent: 4169338 (1979-10-01), Elk
Oujevolk George B.
Valenza Joseph E.
LandOfFree
Expansion and contraction drive apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Expansion and contraction drive apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Expansion and contraction drive apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-192583