Cut off and strike off mechanism for a paving machine

Details Cut off and strike off mechanism for a paving machine Cut off and strike off mechanism for a paving machine

2005-05-31

2005-05-31

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Apparatus

Material distribution means

Reexamination Certificate

active

06899490

ABSTRACT:
An auger/cut off assembly for a floating screed asphalt paver. The auger/cut off assembly consists of an auger mechanism with an axis of rotation and a cut off mechanism. The cut off mechanism has a concave cut off panel that rotates about the axis of the auger mechanism from an open strike off position to a closed cut off position. Because the concave cut off panel closely conforms to a portion of the circumference of the auger mechanism, the cut off mechanism provides for low ground clearance. The concave cut off panel serves the dual function of striking off the paving material when in the open strike off position and cutting off the deposit of paving material when in the closed cut off position.

REFERENCES:
patent: 3838933 (1974-10-01), Lehman et al.
patent: 4379653 (1983-04-01), Brown
patent: 5060404 (1991-10-01), Lipford
patent: 5443325 (1995-08-01), Simonelli et al.
patent: 6086287 (2000-07-01), Sharpe et al.
patent: 2003/0143024 (2003-07-01), Sharpe et al.
Photographs showing a cut off and strike off mechanism in a paving machine manufactured and sold by the assignee of the present application more than one year before the filing date of the present application.

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