Tensioner for track of tracked vehicle

Details Tensioner for track of tracked vehicle Tensioner for track of tracked vehicle

1996-10-11

1998-12-22

Stormer, Russell D.

Wheel substitutes for land vehicles

With means for tensioning track by moving at least one endwheel

Having hydraulic adjusting means

305152, B62D 5530

Patent

active

058510583

ABSTRACT:
A tensioning device has an inner end plate mounted on a frame, a sleeve fixed to the end plate and extending along an axis toward an idler wheel over which is spanned a flexible endless element (e.g. a drive chain or conveyor belt), and an axially compressible stack of inner and outer spring rings. The stack is closely surrounded by the sleeve, forms an annular friction spring, and has one end bearing axially on the plate and an opposite end. An outer end plate bears axially toward the frame end plate on the opposite end of the annular friction spring, and a hydraulic unit is braced axially between the outer end plate and the idler wheel. The inner spring rings have substantially frustoconical outer surfaces and the outer spring rings have substantially frustoconical inner surfaces engaging the outer surfaces of the inner rings.

REFERENCES:
patent: 2506619 (1950-05-01), Schwartz
patent: 3008772 (1961-11-01), Helsel, Sr.
patent: 3826543 (1974-07-01), Muller
patent: 4143898 (1979-03-01), Klaus
patent: 4650259 (1987-03-01), Alexander et al.
"Roloff/Matek Maschinenelemente"; Matek et al; Publ.Friedr.Vieweg & Sohn, Braunschweig/Wiesbaden,Germany,1963; 5 pages.
"Reibungsfedern Ringfeder Im Maschinebau";(Auszug aus Katalog R 60) Katalog R 56, Ausgabe Jul. 1993; 6 pages.

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