Screed walkway
AssigneeCaterpillar Paving Products Inc.
InventorsJason W. Kopacz, Jameson M. Smieja, Steven M. Haas, Kevin J. Magee, Anthony P. Steinhagen
Life of this patent
Estimating the term…
Abstract
A walkway for a screed includes a main walkway and an extender walkway coupled to the main walkway and an extender frame of the screed. The extender walkway is slidable relative to the main walkway along a sliding direction. Further, the extender walkway and the extender frame are pivotable relative to each other about a walkway pivot axis, the walkway pivot axis being substantially perpendicular to the sliding direction.
Claims21
A walkway for a screed including an extender frame, the walkway comprising:
- a main walkway;
- an extender walkway coupled to the main walkway and slidable relative to the main walkway along a sliding direction;
- and
- a walkway support including:
- a first walkway support member coupled to the extender walkway;
- and
- a second walkway support member coupled to the extender frame and pivotably coupled to the first walkway support member about a walkway pivot axis oriented substantially perpendicular to the sliding direction, so that the first walkway support member is pivotable relative to the second walkway support member about the walkway pivot axis.
A screed comprising:
- a main frame;
- an extender frame configured to be retractable and extendable relative to the main frame;
- and
- a walkway comprising:
- a main walkway;
- an extender walkway coupled to the main walkway and slidable relative to the main walkway along a sliding direction;
- and
- a walkway support including:
- a first walkway support member coupled to the extender walkway;
- and
- a second walkway support member coupled to the extender frame and pivotably coupled to the first walkway support member about a walkway pivot axis oriented substantially perpendicular to the sliding direction, so that the first walkway support member is pivotable relative to the second walkway support member about the walkway pivot axis.
A paving machine comprising:
- a tractor;
- and
- a screed coupled to the tractor, the screed comprising:
- a main frame;
- an extender frame configured to be retractable and extendable relative to the main frame;
- and
- a walkway comprising:
- a main walkway;
- an extender walkway coupled to the main walkway and slidable relative to the main walkway along a sliding direction;
- and
- a walkway support including:
- a first walkway support member coupled to the extender walkway;
- and
- a second walkway support member coupled to the extender frame and pivotably coupled to the first walkway support member about a walkway pivot axis oriented substantially perpendicular to the sliding direction, so that the first walkway support member is pivotable relative to the second walkway support member about the walkway pivot axis.
Dependencies are inferred from the claim text.