Line feed system with indexing cart
First Claim
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1. An over/under line feed system, comprising:
- a framework having a first end and a second end;
a first conveyor located under a second conveyor on the framework, wherein each conveyor includes;
a pair of spaced rack support rails; and
a pair of spaced cart support rails, wherein the cart support rails are lower than the rack support rails;
a first drive system associated with the first conveyor and a second drive system associated with the second conveyor;
a first cart movable along the first conveyor and a second cart movable along the second conveyor, wherein each cart includes;
a base configured to engage a respective drive system;
a carriage connected to the base by an extensible and retractable movement device; and
at least one lift platform mounted on the carriage and vertically movably by at least one lift device; and
an elevator assembly located adjacent the first end of the framework, the elevator assembly including a vertically movable lifting carriage, wherein the lifting carriage includes a pair of rack support segments and a pair of cart rail segments that align with the rack support rails and the cart support rails, respectively, when the lifting carriage is positioned at the first end of one of the conveyors,wherein the base of each cart is movable between the first end and the second end of the framework, and wherein the carriage is extensible beyond the first end of the framework and into the lifting carriage of the elevator onto the cart support rails when the lifting carriage is adjacent the first end of one of the conveyors.
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Abstract
A line feed system of the invention comprises a framework having a first end and a second end. At least one conveyor is carried on the framework. The conveyor comprises a drive system and a cart configured to engage the drive system. In one embodiment, the cart has a base that engages the drive system and a carriage that is movable, e.g., extensible and retractable, with respect to the base. In another embodiment, the drive system is extensible and retractable. The cart can also include one or more lift devices that can be raised and lowered with respect to the carriage.
21 Citations
6 Claims
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1. An over/under line feed system, comprising:
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a framework having a first end and a second end; a first conveyor located under a second conveyor on the framework, wherein each conveyor includes; a pair of spaced rack support rails; and a pair of spaced cart support rails, wherein the cart support rails are lower than the rack support rails; a first drive system associated with the first conveyor and a second drive system associated with the second conveyor; a first cart movable along the first conveyor and a second cart movable along the second conveyor, wherein each cart includes; a base configured to engage a respective drive system; a carriage connected to the base by an extensible and retractable movement device; and at least one lift platform mounted on the carriage and vertically movably by at least one lift device; and an elevator assembly located adjacent the first end of the framework, the elevator assembly including a vertically movable lifting carriage, wherein the lifting carriage includes a pair of rack support segments and a pair of cart rail segments that align with the rack support rails and the cart support rails, respectively, when the lifting carriage is positioned at the first end of one of the conveyors, wherein the base of each cart is movable between the first end and the second end of the framework, and wherein the carriage is extensible beyond the first end of the framework and into the lifting carriage of the elevator onto the cart support rails when the lifting carriage is adjacent the first end of one of the conveyors. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification