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US 8,037,667 B2Granted
Stalk roll for use in an agricultural harvesting machine
AssigneeDeere & Company
InventorsJohn O. Eagles, Michael D. Howe, Steven T. Rieck, Fred H. Wallace, Janet R. Willett
Life of this patent
Estimating the term…
Abstract
A stalk roll for a corn head row unit has a conical seat and a spherical seat for mounting the stalk roll on a stalk roll driveshaft of a row unit. Each row unit has a drive shaft with a corresponding conical portion and a threaded fastener with a corresponding spherical portion for capturing the stalk roll on the drive shaft between mating conical shaft and stalk roll portions toward one end and mating spherical shaft and fastener portions at the other stalk roll end.
Claims18
An agricultural harvesting machine, comprising:
- a feeder housing;
- a corn head having a frame attached to said feeder housing, said corn head including a common drive shaft, a plurality of row units each having a pair of stalk rolls, and a gearcase having a pair of gearcase extensions with cantilevered drive shafts extending therefrom;
- each stalk roll comprising an elongated generally cylindrical hollow body having a longitudinal axis of rotation, an inner surface extending the length of the stalk roll, a rear end receiving a corresponding one of the gearcase extensions and the stalk roll drive shaft extending from the gearcase extension, and a front end for receiving a threaded fastener, the inner surface defining a conical seat that opens toward said rear end and a spherical seat opening toward said front end;
- and
- a threaded fastener for each stalk roll having a threaded bore, and a spherical surface portion engaging the corresponding stalk roll spherical seat.
2 more elements
An agricultural harvesting machine, comprising:
- a feeder housing;
- and
- a corn head having a frame attached to said feeder housing, said corn head including a common drive shaft, a plurality of row units each having a pair of stalk rolls, and a gearcase having a pair of gearcase extensions with cantilevered drive shafts extending therefrom;
- each stalk roll comprising an elongated generally cylindrical hollow body having a longitudinal axis of rotation, an inner surface extending the length of the stalk roll, a rear end receiving a corresponding one of the gearcase extensions and the stalk roll drive shaft extending from the gearcase extension, and a front end for receiving a threaded fastener, the inner surface defining a conical seat that opens toward said rear end and a spherical seat opening toward said front end, each drive shaft including a conical region close to the corresponding gearcase extension, and further including a threaded fastener for each stalk roll having a threaded bore and a spherical surface portion engaging the corresponding stalk roll spherical seat thereby capturing the stalk roll on the drive shaft between mating conical shaft and stalk roll portions toward one end and mating spherical shaft and fastener portions at the other stalk roll end.
1 more element
A stalk roll for use in a corn head of an agricultural harvesting machine, comprising:
- an elongated generally cylindrical hollow body having a longitudinal axis of rotation, an inner surface extending the length of the stalk roll, a rear end receiving a stalk roll drive shaft, and a front end for receiving a threaded fastener, the inner surface defining a conical seat that opens toward said rear end and a spherical seat opening toward said front end, the drive shaft including a conical region, and further including a threaded fastener having a threaded bore and a spherical surface portion engaging the corresponding stalk roll spherical seat thereby capturing the stalk roll on the drive shaft between mating conical shaft and stalk roll portions toward one end and mating spherical shaft and fastener portions at the other stalk roll end.
A row unit for use in a corn head of an agricultural harvesting machine, comprising:
- a gearcase having a pair of gearcase extensions with a cantilevered drive shaft extending from each of the gearcase extensions;
- and
- a pair of stalk rolls each comprising an elongated generally cylindrical hollow body having a longitudinal axis of rotation, an inner surface extending the length of the stalk roll, a rear end receiving a corresponding one of the gearcase extensions and the drive shaft extending from the gearcase extension, and a front end for receiving a threaded fastener, the inner surface defining a conical seat that opens toward said rear end and a spherical seat opening toward said front end, each drive shaft including a conical region close to the corresponding gearcase extension, and further including a threaded fastener for each stalk roll having a threaded bore and a spherical surface portion engaging the corresponding stalk roll spherical seat thereby capturing the stalk roll on the drive shaft between mating conical shaft and stalk roll portions toward one end and mating spherical shaft and fastener portions at the other stalk roll end.
Dependencies are inferred from the claim text.