Portable vibratory screed with vibration restraint

Details Portable vibratory screed with vibration restraint Portable vibratory screed with vibration restraint

2006-05-30

2006-05-30

Addie, Raymond (Department: 3671)

Road structure, process, or apparatus

Apparatus

Screed or drag

C404S114000

Reexamination Certificate

active

07052204

ABSTRACT:
A portable vibratory screed machine is provided with a vibration restraint operable to reduce undesirable vibration of the engine and to extend the life of the engine. The portable vibratory screed machine includes a machine frame having a reference structure. The machine further includes an engine mounted on the reference structure via a mount that surrounds a drive shaft that is driven by the engine's output. A vibratory assembly remotely located from the engine is powered by the engine to vibrate a screed plate. The vibration restraint directly couples the engine housing to the reference structure at a location that is spaced apart from the mount.

REFERENCES:
patent: 4213749 (1980-07-01), Morrison
patent: 4340351 (1982-07-01), Owens
patent: 4386901 (1983-06-01), Morrison
patent: 5244305 (1993-09-01), Lindley
patent: 5345684 (1994-09-01), Shoup et al.
patent: 5984571 (1999-11-01), Owens
patent: 6089787 (2000-07-01), Allen et al.
patent: 6698531 (2004-03-01), Kurten

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