Conveyors: power-driven – With means to facilitate working – treating – or inspecting... – Means engaging conveyor or load on a conveyor to align load...
Patent
1992-02-14
1992-12-08
Olszewski, Robert P.
Conveyors: power-driven
With means to facilitate working, treating, or inspecting...
Means engaging conveyor or load on a conveyor to align load...
1983451, 198633, 193 35A, B65G 2120
Patent
active
051689766
ABSTRACT:
A stop mechanism mountable on a powered conveyor, such as a conveyor having continuously-driven drive rollers which support and drivingly move loads such as pallets. The stop mechanism is mounted directly under and between sidewardly-spaced drive rollers to permit use of through shafts between sidewardly-spaced pairs of drive rollers. The stop mechanism has a vertically-oriented stop lever which projects upwardly for contacting a moving load, which contact effects limited vertical swinging of the lever into engagement with a fixed stop. The lever is coupled to a hydraulic shock absorber which effects rapid deceleration of the load to cause cushioned contact thereof with the fixed stop. The shock absorber preferably has an internal orifice arrangement associated with a pressure chamber which results in the orifice flow area progressively decreasing as the stop lever is moved by the load to provide more optimum control over liquid pressure and control over the resistance force imposed against the load. The stop lever is movable downwardly to disengage the load, and is spring urged upwardly to permit engagement with the next load.
REFERENCES:
patent: 3696756 (1972-10-01), Elmore et al.
patent: 3917044 (1975-11-01), Brown
patent: 4289229 (1981-09-01), Keller
patent: 4397386 (1983-08-01), Kampf
patent: 4489824 (1984-12-01), Scourtes
patent: 4687091 (1987-08-01), Sticht
patent: 4703843 (1987-11-01), Dixon
patent: 5070987 (1991-12-01), Koltookian
Article entitled "Machine Design" magazine, Penton Publishing, Inc., Sep. 21, 1989, 6 pages.
Bidwell James R.
Newcor, Inc.
Olszewski Robert P.
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