Conveyor mechanism

Details Conveyor mechanism Conveyor mechanism

1997-07-01

1999-08-10

Keenan, James W.

Material or article handling

Self-loading or unloading vehicles

Conveyor

198833, B65G 1712

Patent

active

059348623

ABSTRACT:
A conveyor mechanism is provided for transporting objects. The conveyor mechanism, in particular, includes a single continuous belt member wrapped around one or more chain loops and also around a pair of spaced-apart pulleys disposed outboard thereof. A first axle having one or more drive sprockets, a second axle having an equal number of idler sprockets, and a motor connected to the first axle are provided for driving the chain loops and the surrounding belt member. In use, the belt member maintains a constant linear velocity throughout its travel path (i.e., both inboard and outboard of the two sets of sprockets), due to the action of the pulleys. In this way, the velocities of the belt member and chains are synchronized at all points where they are in engagement (i.e., inboard of the sprockets), and slipping and/or stretching of the belt member with respect to the chains is advantageously prevented at its reversal points (i.e., outboard of the sprockets). A frame having substantially frictionless channel guide(s) provides additional support to the upper track portion of each chain so that the belt member can accommodate heavy loads.

REFERENCES:
patent: 2371747 (1945-03-01), Faris et al.
patent: 3593864 (1971-07-01), Moser
patent: 3967720 (1976-07-01), Arieh
patent: 4055265 (1977-10-01), Eisenman
patent: 4058204 (1977-11-01), Arieh
patent: 4068769 (1978-01-01), Sweet et al.
patent: 4664583 (1987-05-01), Gust
patent: 4880109 (1989-11-01), Sarasola
patent: 5102285 (1992-04-01), Gust
patent: 5104281 (1992-04-01), Corvi

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