Pivot pin assembly

Details Pivot pin assembly Pivot pin assembly

1977-07-18

1978-06-27

Kundrat, Andrew V.

Joints and connections

Interfitted members with external bridging piece

403154, 403157, 403 16, B23P 1904

Patent

active

040969576

ABSTRACT:
A pivot pin assembly for mounting a loader bucket to a loader arm of a tractor. The pivot pin assembly includes a cylindrical pin having spaced-apart retaining sleeves which capture a sleeve bearing therebetween. The retaining sleeves engage the bucket bracket assembly and the bearing engages the loader arm assembly. Flanges on one retaining sleeve engage the bucket bracket assembly to restrict axial movement of the pin in one direction. A cover plate, secured to the bucket bracket over the flanges, restricts axial movement of the pin in the other direction. The flanges define two spaced-apart sides which are retained in a channel on the cover plate to prevent rotational movement of the pin with respect to the loader bucket. The pivot pin assembly may be removed by detaching the cover plate and pulling the pin from the bucket bracket assembly and the loader arm assembly.

REFERENCES:
patent: 1548376 (1925-08-01), Mullally
patent: 2967726 (1961-01-01), Weston
patent: 4022536 (1977-05-01), Piepho

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