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US 4,232,874 AGranted
Tank mounted on back of four-wheel drive tractor
OwnerStuart Ysteboinventor
Life of this patent
Estimating the term…
Abstract
A tank attached with a mounting bracket to the rear drive unit of a four-wheel drive tractor. The tank has a one-piece plastic body providing a chamber for accommodating a liquid. The top of the body is covered with a rearwardly and downwardly sloping plastic top wall to enhance the visibility of the tractor operator. A plurality of ribs on the bottom wall and top wall project into the chamber on opposite sides of upright baffle plates. A liquid return structure located in the chamber and mounted on the back wall of the body discharges return liquid to opposite end sections of the chamber.
Claims48
A tank mountable on a rear drive unit of a tractor with a mounting bracket, said drive unit having rear drive wheels comprising:
- a one-piece body of plastic material reinforced with fibers having a chamber for storing liquid, said body comprising a bottom wall having a front transverse portion, a rear transverse portion, and a plurality of first ribs projected upwardly into the chamber, each first rib extended from the front portion to the rear portion of the bottom wall, each first rib having a bead of foamed plastic covered with plastic material, a front wall joined to the front transverse portion, a rear wall joined to the rear transverse portion, said front wall having a height greater than the height of the rear wall, side walls joined to the bottom wall and front and rear walls, a top wall joined to the front wall, rear wall, and side walls to cover the top of the body and close the top of the chamber, said top wall being generally flat and sloping downward and rearward from the front wall toward the rear wall, said top wall being made of plastic material reinforced with fibers and having a plurality of laterally spaced second ribs projected downwardly into the chamber, each second rib extended from the front wall to the rear wall, each second rib having a bead of foamed plastic covered with plastic material, a plurality of upright baffle plates located in the chamber, each plate extended from the front wall to the rear wall and engageable with the bottom wall and top wall, means mounted on the top wall providing an inlet passage open to the chamber, said bottom wall and rear wall having central sections providing a downwardly directed well, second means mounted on the bottom wall providing an outlet passage in the lower portion of the well open to the chamber, and means mounted on the rear wall for receiving liquid and discharging liquid into the tank chamber, said means mounted on the rear wall including tubular means located in the chamber for carrying liquid toward the end walls and discharging liquid to the end sections of the chamber.
A tank having a chamber for storing liquid comprising:
- a body having a bottom wall, a front wall, a rear wall, and end walls providing a chamber for storing liquid, said bottom wall having a plurality of upwardly directed first ribs extended into the chamber, a top wall joined to the front wall, rear wall and end walls to cover the top of the body, said top wall sloping downward from the front wall toward the rear wall, said top wall having a plurality of downwardly directed second ribs extended into the chamber, first means providing an inlet passage open to the chamber, second means providing an outlet passage open to the chamber, and means mounted on the rear wall for receiving liquid and discharging liquid into the tank chamber, said means mounted on the rear wall including tubular means located in the chamber for carrying liquid toward the end walls and discharging liquid to the end sections of the chamber.
A tank having a chamber for storing liquid comprising:
- a body having a bottom wall, a front wall, a rear wall, and end walls providing a chamber for storing liquid, a top wall joined to the front wall, rear wall, and end walls to cover the top of the body and enclose the chamber, said top wall sloping downwardly from the front wall toward the rear wall, first means providing an inlet passage open to the chamber, second means providing an outlet passage open to the chamber, and means mounted on the body for receiving liquid and discharging liquid into the tank chamber, said means including tubular means located in the chamber for carrying liquid toward the end walls and discharging liquid into the opposite end sections of the chamber.
A tank mountable on a rear drive unit of a tractor with a mounting bracket, said drive unit having rear drive wheels comprising:
- a one-piece body of plastic material reinforced with fibers having a chamber for storing liquid, said body comprising a bottom wall having a front transverse portion, a rear transverse portion, and a plurality of first ribs projected upwardly into the chamber, each first rib extended from the front portion to the rear portion of the bottom wall, each first rib having a bead of foamed plastic covered with plastic material, a front wall joined to the front transverse portion, a rear wall joined to the rear transverse portion, said front wall having a height greater than the height of the rear wall, side walls joined to the bottom wall and front and rear walls, a top joined to the front wall, rear wall, and side walls to cover the top of the body and close the top of the chamber, said top wall being generally flat and sloping downwardly and rearwardly from the front wall toward the rear wall, said top wall being made of plastic material reinforced with fibers and having a plurality of laterally spaced second ribs projected downwardly into the chamber, each second rib extended from the front wall to the rear wall, each second rib having a bead of foamed plastic covered with plastic material, a plurality of upright baffle plates located in the chamber, each plate extended from the front wall to the rear wall and engageable with the bottom wall and top wall, means mounted on the top wall providing an inlet passage into the chamber, said bottom wall and rear wall having central sections providing a downwardly directed well, and second means mounted on the bottom wall providing an outlet passage into the lower portion of the well open to the chamber.
Dependencies are inferred from the claim text.