Gauge wheel mounting

Details Gauge wheel mounting Gauge wheel mounting

A - Human Necessities

01

B

A01B 63/24 (2006.01) A01B 63/26 (2006.01) A01B 71/02 (2006.01)

Patent

CA 2161570

A gauge wheel assembly includes a gauge wheel arm that straddles the rig tube and is supported on the tube by two bushings inserted through holes on either side of the tube. The bushings contact each other near the center of the tube to provide a solid or hard joint which permits the pivot bolt to be tightened without crushing the sides of the tube. The bushing has protrusions that are pressed into the tubing wall during installation and thereby prevent bushing rotation. Two different straps at the lower end of the wheel arm permits at least three different combinations of gauge wheels to be quickly and easily mounted. A compact and easily accessible depth adjusting crank is supported entirely above the rig tube. A depth indicator projects from the crank trunnion mounting on the upper end of the wheel arm to provide an indication of depth adjustment.

L'invention porte sur un ensemble de roue de jauge comprenant un bras de roue de jauge chevauchant le tube de la machine et supporté sur le tube par deux manchons insérés dans des trous de chaque côté du tube. Les manchons entrent en contact l'un avec l'autre près du centre du tube de façon à produire un joint dur et solide qui permet le resserrement de l'axe d'articulation sans écraser les parois du tube. Le manchon est muni de protubérances qui sont pressées dans les parois du tube pendant l'installation et qui empêchent la rotation du manchon. Deux courroies placées à l'extrémité inférieure du bras de roue permettent le montage rapide et facile d'au moins trois combinaisons différentes de roues de jauge. Une manivelle de réglage de la profondeur, compacte et facilement accessible, est supportée entièrement au-dessus du tube de la machine. Un indicateur de profondeur ressort du support du tourillon de la manivelle à l'extrémité supérieure du bras de roue et sert à indiquer le réglage de la profondeur.

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