Motor vehicles – Frame
Patent
1997-07-23
2000-05-16
English, Peter C.
Motor vehicles
Frame
280124111, 280124113, 280781, 56 147, B60G 902, B62D 2102, B62D 4900
Patent
active
060623330
ABSTRACT:
A riding mower or other like four-wheel vehicle has the two front wheels mounted off the cantilever end of a subframe which is pivotably attached to the underside of the main frame of the vehicle by two spaced part pivots lying along the vehicle length axis. A cutter deck is suspended from the main frame beneath the subframe. The subframe construction resists bending forces, due to front-to-back and vertical forces on the dropped-down front wheels, when they encounter obstacles or depressions. The main frame is made of steel tubing, and provides a generally rectangular space just forward of the driver's seat, suitable for placement of the driver's feet. Preferably, the subframe also has a generally rectangular opening, nominally aligned with the main frame opening, to also accommodate the driver's feet. The elevation of the driver's seat can thus be desirably lowered, to maintain a low center of gravity.
REFERENCES:
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patent: 2805079 (1957-09-01), Vostrez
patent: 2874972 (1959-02-01), Andersen et al.
patent: 3408089 (1968-10-01), Edwards
patent: 3686840 (1972-08-01), Root
patent: 4077191 (1978-03-01), Pittinger, Sr. et al.
patent: 4106269 (1978-08-01), Knudson
patent: 4301881 (1981-11-01), Griffin
patent: 4809796 (1989-03-01), Yamaoka et al.
English Peter C.
Ferris Industries, Inc.
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