|국가/구분||United States(US) Patent 등록|
|§371/§102 date||[Act 371]19800926 ([Act 101]19800926)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 2|
Spherical joints of the type pivotally connecting each end of an equalizer bar to a track roller frame of a track-type vehicle require positive sealing of the joints during operation of the vehicle wherein the joint undergoes compound movements. Standard sealing assemblies therefor are prone to failure since they are subjected to tensile and compressive forces during operation thereof. The improved seal assembly (15) of this invention substantially prevents the imposition of such forces thereon by including structure (23) for permitting flexing thereof.
1. In a track-type vehicle (10) having a pair of laterally spaced track roller frames (12), an equalizer bar (13), and a spherical joint (15) including a pin (19) connecting each end of said equalizer bar (13) to a respective one of said track roller frames (12), said spherical joint (15) further including a semi-spherical bearing (16) mounted in said equalizer bar (13), a journal (18) mounted in said bearing (16) at mating semi-spherical surfaces (21) thereof, said pin having said journal (18) mounted thereon and disposed on a longitudinal axis (L) ther...