Land vehicles – Wheeled – Attachment
Reexamination Certificate
2005-01-11
2005-01-11
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Attachment
C280S766100
Reexamination Certificate
active
06840540
ABSTRACT:
A support strut for mobile working machines, especially for mobile concrete pumps. The support strut (20) has a strut body (38) that can be pivoted around a vertical pivoting axis (32) on a chassis (10), a telescopic part (40), a dual-acting hydraulic cylinder (42) (38) and the telescopic part (40), in addition to a foot part (26) that. Both ends of the telescopic hydraulic cylinder (42) are fixed on fixing points (46, 50) in the area of the opposite ends of the body of the strut (39/8) and the telescopic part (40). The vertical pivoting axis (32) is defined by a divided bearing or journal location arranged at an axial distance (S) from the inboard fixing point (46) in the direction of the foot part on the body of the boom (38), said location being positioned in such a way that it transects the displacement axis (52) of the hydraulic cylinder (42) transversely.
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PPM mit neuen Fahrzeugkranen: Baureichen nach oben erweitert. In: foerdern und heben 35, 1985, No. 1, p. 51; figure 2.
Avery Bridget
Ellis Christopher P.
Pendorf & Cutliff
Putzmeister Aktiengesellschaft
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