Material or article handling – Load-transporting type vehicle and external means... – Involving movement of load by gravity from wheeled vehicle
Patent
1985-11-26
1986-12-16
Spar, Robert J.
Material or article handling
Load-transporting type vehicle and external means...
Involving movement of load by gravity from wheeled vehicle
414572, B65G 6724
Patent
active
046293868
ABSTRACT:
A railroad hopper car door opener 40 is provided for opening a railroad hopper car door 20. The hopper car door opener 40 includes a first elongated member 44 which is mounted to rotate on a platform 52 adjacent a hopper car unloading area. A second elongated member 46 is pivotably mounted on one end thereof to the other end of the first elongated member 44. The first and second elongated members 44 and 46 have a curve 48 and 58 respectively formed at a predetermined point thereon to facilitate optimum conditions for movement. A third elongated member 78 is provided which is tapered at one end thereof to engage a car door socket 34. A motor 74 is coupled to the end of the third elongated member 78 opposite the tapered end thereof and pivotably mounted to the other end of the second elongated member 46. The motor 47 is provided to rotate the third elongated member 78 about a horizontal axis. A fourth member 100 coupled to the second elongated member 48 adjacent the motor 74 facilitates manual movement of the first and second elongated members 46 and 48 and activation of the motor 74 by an operator.
REFERENCES:
patent: 2355226 (1944-08-01), Mallory
patent: 3419165 (1968-12-01), Haditsch
patent: 3965760 (1976-06-01), Etheredge, Jr.
patent: 4522545 (1985-06-01), Peckham
Baugh Kenneth D.
Millman Stuart J.
Port of Houston Authority
Spar Robert J.
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