Patent ID: 7309186
Filing Date: 2007-12-18
Classification: E02F,F16C,Y10T

Abstract:
1. A pin cartridge assembly, for pivotally connecting a boom to a frame of a machine, the frame having first and second wall portions each having an axially aligned bore therein, the boom having a bore therein alignable with the bore in the first and second wall portions, the pin cartridge assembly comprising: a pin having first and second end portions and an outer surface; a first collar receivable within the bore in the first wall portion, said first collar having a through bore and a counter bore at one end, said collar being disposed about the outer surface of said pin; a second collar receivable within the bore in the second wall portion, said second collar having a through bore and a counter bore at one end, said collar being disposed about the outer surface of said pin; a bushing receivable within the bore in the boom, said bushing having a stepped bore, said bushing being rotatably disposed about the outer surface of said pin; a pair of sleeve bearings, one each of said sleeve bearings being positioned interposed said counter bore of a one of said first and second collars and the stepped bore of said bushing and forming a seal between said collars and said bushing; wherein said first and second collars being rigidly secured about said first and second end portions of said pin so as to maintain said first and second collars, said bushing, said pair of sleeve bearings and said pin in a unitary sealed assembly prior to being received within the bore of the first and second wall portions and the bore of the boom.