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US 4,722,170 AGranted
Upper guided lower driven stretch wrapping device
AssigneeLantech, Inc.
InventorsRonald G. Ball, Robert B. Denley
Life of this patent
Estimating the term…
Abstract
A stretch wrapper wraps a load with a web dispensed from a web dispenser and includes a frame for supporting and revolving the web dispenser around the load and about a vertical axis. A support is attached to the upper portion of the frame to support the frame from above and guide the frame along a path around the load. A motor-driven drive wheel is attached the lower portion of the frame for engaging a floor, supporting the frame from below, and driving the frame on the floor along the path around the load.
Claims19
An apparatus for wrapping a load with a web dispensed from a web dispenser comprising:
- frame means for supporting and revolving the web dispenser around the load and about a vertical axis, the frame means having an upper portion and a lower portion;
- support means attached to the upper portion of the frame means for supporting the frame means from above and for guiding the frame means along a path around the load;
- and
- drive means attached to the lower portion of the frame means for engaging a floor, supporting the frame means from below, and driving the frame means on the floor along the path around the load.
1 more element
Dependencies are inferred from the claim text.