Hydraulic expansion joint
 An expansion joint for interconnecting pipes or hoses which includes a floating sleeve and a pair of pipe or hose fittings slidably mounted on the sleeve. The fittings are provided with seals to coact with the sleeve and wipers to coact with the sleeve together with stop means for restricting the relative movement between the fittings and the sleeve. 
Lach Fluid Power, Inc.
F Y
F16L Y10S
inventional additional
James C.
Hill