1
Ginn Ronald M, Branham Dana D, Stanley Keith L: Work arm linkage assembly. Caterpillar, August 4, 1999: GB2333759-A (5 worldwide citation)

A work arm linkage assembly for connecting a work tool 18 to a frame 16 of a work machine comprises a lift arm 20, of the box-boom type (Figure 9), having a forked first end (Figure 7) coupled to the frame and a second end coupled to the implement, a lift cylinder 250 coupled to the frame and the li ...


2
Ginn Ronald Mark, Branham Dana D, Stanley Keith L: Work arm linkage assembly for wheel loaders. Caterpillar, August 6, 1999: FR2774405-A1

The arm linkage has a box boom lift arm assembly, a linkage assembly, a coupler connecting and moving a work implement relative to a work machine. The assembly (22) has a box-boom lift arm (20) with a frame end portion and an implement end portion. The frame end portion has two extensions, spaced ap ...