Excavating – Miscellaneous
Patent
1997-04-14
1999-01-19
Will, Thomas B.
Excavating
Miscellaneous
414680, E02F 300
Patent
active
058602330
ABSTRACT:
Construction machines typically utilize hydraulic cylinders to manipulate the linkage that extends between the machine frame and a work implement. In many instances the range of motion of the components creates limited room between the components when they are in their maximum positions. This limited room has prevented the direct attachment of valves to the various hydraulic cylinders. The present invention provides a valve that has a preselected angled configuration that substantially matches a preselected angled configuration of a surrounding frame member. When the linkage is in one of its extreme positions, the two preselected configurations of the valve and the frame member "nest" with one another to prevent contact therebetween, thus allowing the use of the available space.
REFERENCES:
patent: 3938669 (1976-02-01), Vinton
patent: 3987920 (1976-10-01), Parquet et al.
patent: 4165675 (1979-08-01), Cryder et al.
patent: 4365429 (1982-12-01), Ecker et al.
patent: 4393607 (1983-07-01), Hirosawa
patent: 4411070 (1983-10-01), Boyum et al.
Case Skid Steer 1840/1845C brochure, pp. 1-20, Jun. 1995.
Batson Victor
Caterpillar Inc.
Perry William C.
Will Thomas B.
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