Tractor chair cushion device

Claim 2

A tractor chair cushioning device comprising a tractor chair for mounting in a tractor cab having a floor and ceiling, a pair of fluid actuated cylinders, each comprising a piston and cylinder portion with said piston, having a piston head slidable in said cylinder portion with one end of the cylinders rotatably mounted to the ceiling, with the cylinders extending downward in spaced relation, and with the other ends of the cylinders rotatably mounted to the chair on opposite sides of the chair, a fluid pressure reservoir, means to introduce fluid under pressure into the reservoir fluid hose line means connecting said cylinder portions to said pressure reservoir, to contract the cylinders and pistons relative to one another to place the piston head in an intermediate position in the cylinder portion under fluid pressure to thereby suspend the chair spaced off the floor under fluid pressure and cushion the movement of the chair in either direction upward and downward when the seat is weighted down by an operator of the tractor seated in the chair, cushioning means to cushion the movement of the chair horizontally to the side.

Claim 3

A tractor chair cushioning device according to claim 1 wherein said means to intorduce fluid into the pressure reservoir includes a check valve operable to allow additional fluid to be introduced into the reservoir, and to allow fluid to escape from the reservoir to adjust the fluid pressure in the cylinders to correspond to the weight of the operator seated in the chair.

Claim 4

A tractor chair chusioning device to cushion an operator's chair in relation to a tractor's cab compartment when riding over bumpy ground, comprising a box-like tractor cab compartment having a roof and a floor with side walls connecting the floor and roof together, an operator's chair comprising a horizontal panel serving as a seat member and an upwardly and rearwardly inclined panel serving as a back rest, said upwardly and rearwardly inclined panel having its lower end attached to the rearward edge of said horizontal panel, at least three cushioning and suspension means to cushion and suspend said chair in spaced relation above the floor and beneath the roof of the cab and in spaced relation to the side walls, said cushioning and suspension means conprising a first pair of elongated elastic suspension means, a pair of fluid actuated cushioning cylinders, a second elongated elastic cushioning means, said first pair of suspension means extending above the chair toward the roof of the compartment with their upper ends attached to the compartment adjacent the roof in laterally spaced relation to one another, with lower ends spaced from one another and attached to opposite lateral sides of the horizontal seat member panel to elastically suspend the operator's chair from the roof of the cab, said pair of actuated cushioning cylinder members being beneath the chair and retractable and extendable relative to one another with cushioning action in either direction, said pair of cylinder members having their lower ends attached to the floor of the cab by a swivel connection at a location centrally between the front and rear edges of the horizontal panel and spaced outward from beneath the horizontal seat panel in laterally spaced relation to one another, said cylinders being inclined upward and laterally inward toward one another and having the upper ends attached to the laterally opposite side edges of the seat member of the chair by a swivel connection at a location centrally between the front and rear edges of the horizontal seat member, to provide a cushioning means for the chair from the floor beneath the chair, a second elongated elastic suspension means beneath the chair having its rearward end attached to the seat member of the chair and projecting forward and downward at an angle beyond the forward edge of the chair to the front of the cab with its front end attached to the floor of the cab to cushion the chair against rearward movement, said first pair of elongated cushioning and suspension means, said cushioning cylinders, and said second elastic suspension means, acting together to place the chair in entirely suspended spaced cushioned relation to the compartment including the floor, roof, and side walls of the compartment.

Claim 5

A tractor chair chusioning device to cushion an operator's chair in relation to a tractor's cab compartment when riding over bumpy ground, comprising a box-like tractor cab compartment having a roof and a floor with side walls connecting the floor and roof together, an operator's chair comprising a horizontal panel serving as a seat member and an upwardly and rearwardly inclined panel serving as a back rest, said upwardly and rearwardly inclined panel having its lower end attached to the rearward edge of said horizontal panel, at least three cushioning and suspension means to cushion and suspend said chair in spaced relation above the floor and beneath the roof of the cab and in spaced relation to the side walls, said cushioning and suspension means conprising a first pair of elongated elastic suspension means, a pair of fluid actuated cushioning cylinders, a second elongated elastic cushioning means, said first pair of suspension means extending above the chair toward the roof of the compartment with their upper ends attached to the compartment adjacent the roof in laterally spaced relation to one another, with lower ends spaced from one another and attached to opposite lateral sides of the horizontal seat member panel to elastically suspend the operator's chair from the roof of the cab, said pair of actuated cushioning cylinder members being beneath the chair and retractable and extendable relative to one another with cushioning action in either direction, said pair of cylinder members having their lower ends attached to the floor of the cab by a swivel connection at a location centrally between the front and rear edges of the horizontal panel and spaced outward from beneath the horizontal seat panel in laterally spaced relation to one another, said cylinders being inclined upward and laterally inward toward one another and having the upper ends attached to the laterally opposite side edges of the seat member of the chair by a swivel connection at a location centrally between the front and rear edges of the horizontal seat member, to provide a cushioning means for the chair from the floor beneath the chair, a second elongated elastic suspension means beneath the chair having its rearward end attached to the seat member of the chair and projecting forward and downward at an angle beyond the forward edge of the chair to the front of the cab with its front end attached to the floor of the cab to cushion the chair against rearward movement, said first pair of elongated cushioning and suspension means, said cushioning cylinders, and said second elastic suspension means, acting together to place the chair in entirely suspended spaced cushioned relation to the compartment including the floor, roof, and side walls of the compartment.

Claim 6

A farm equipment chair cushioning device for cushioning an operator's chair on a farm equipment vehicle relative to the floor and ceiling of the farm vehicle comprising a piston and cylinder portion with said piston having a piston head slidable in said cylinder, said cylinder means having linkage means forming an elongated linkage suspension connection between the chair and ceiling with said linkage and cylinder means suspending the chair from the ceiling and spaced off the ground, said suspension connection being adjustable in length in response to the position of the piston relative to the cylinder to thereby adjust the position of the chair relative to the floor, a fluid pressure reservoir means to intorduce fluid under pressure into the reservoir fluid hose line and means connecting said cylinder portion to said reservoir, to shift the cylinder and piston portions relative to one another to place the piston in an intermediate position in the cylinder under fluid pressure to thereby suspend the chair under fluid pressure spaced off the floor and cushion the movement of the chair in either an upward or downward position relative to the floor when the seat is weighted down by the operator of the vehicle seated in the chair, cushioning means to cushion the movement of the chair horizontally to the side.

Claim 7

A farm equipment chair cushioning device for cushioning an operator's chair on a farm equipment vehicle relative to the floor and ceiling of the farm vehicle comprising a piston and cylinder portion with said piston having a piston head slidable in said cylinder, said cylinder means having linkage means forming an elongated linkage suspension connection between the chair and ceiling with said linkage and cylinder means suspending the chair from the ceiling and spaced off the ground, said suspension connection being adjustable in length in response to the position of the piston relative to the cylinder to thereby adjust the position of the chair relative to the floor, a fluid pressure reservoir means to intorduce fluid under pressure into the reservoir fluid hose line and means connecting said cylinder portion to said reservoir, to shift the cylinder and piston portions relative to one another to place the piston in an intermediate position in the cylinder under fluid pressure to thereby suspend the chair under fluid pressure spaced off the floor and cushion the movement of the chair in either an upward or downward position relative to the floor when the seat is weighted down by the operator of the vehicle seated in the chair, cushioning means to cushion the movement of the chair horizontally to the side.