Combine header belt tensioning apparatus and method
First Claim
1. A belt tensioning apparatus for a combine or harvester header comprising:
- two spaced apart longitudinal support members;
at least one transverse member attached to each of said longitudinal support members;
an end roller support bracket, said end roller support bracket having two bracket extensions, said bracket extensions extending longitudinally and being disposed to slidingly engage with bracket extension receivers, said bracket extension receivers each being attached to said longitudinal support members, respectively;
a push rod, said push rod being longitudinally oriented and slidingly mounted on said transverse member, said sliding mount of said push rod on said transverse number being intermediate to said longitudinal support members and said push rod being attached to said end roller support bracket;
said push rod being mounted to have a retracted position and an extended position; and
an actuator, said actuator being attached to said longitudinal support members and said actuator exerting a substantially uniform force to said push rod along a range of travel of said push rod between said retracted position and said extended position and a substantially uniform force along the width of an end roller.
1 Assignment
0 Petitions
Accused Products
Abstract
A belt tensioning apparatus for a combine or harvester header has a frame with two spaced apart longitudinal support members and at least one transverse member attached to each of the longitudinal support members. An end roller support bracket has two bracket extensions extending longitudinally and disposed to slidingly engage with bracket extension receivers attached to the longitudinal support members. A push rod is longitudinally oriented and slidingly mounted on the transverse member intermediate to the longitudinal support members. The push rod is attached to the end roller support bracket and mounted to have a retracted position and an extended position. An actuator is attached to the longitudinal support members and exerts a substantially uniform force to the push rod along a range of travel of the push rod between the retracted position and the extended position. The actuator may be a scissors assembly or a hydraulic cylinder.
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Citations
11 Claims
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1. A belt tensioning apparatus for a combine or harvester header comprising:
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two spaced apart longitudinal support members; at least one transverse member attached to each of said longitudinal support members; an end roller support bracket, said end roller support bracket having two bracket extensions, said bracket extensions extending longitudinally and being disposed to slidingly engage with bracket extension receivers, said bracket extension receivers each being attached to said longitudinal support members, respectively; a push rod, said push rod being longitudinally oriented and slidingly mounted on said transverse member, said sliding mount of said push rod on said transverse number being intermediate to said longitudinal support members and said push rod being attached to said end roller support bracket; said push rod being mounted to have a retracted position and an extended position; and an actuator, said actuator being attached to said longitudinal support members and said actuator exerting a substantially uniform force to said push rod along a range of travel of said push rod between said retracted position and said extended position and a substantially uniform force along the width of an end roller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification