Apparatus for loading and unloading objects
First Claim
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1. Apparatus for loading and unloading objects, said apparatus comprising:
- (a) a first carriage;
(b) first means for moving said first carriage back and forth in a straight line in a first plane between a first position and a second position, said first means comprising;
(i) a first chain having a first run that is parallel to or in said first plane;
(ii) third means for attaching said first carriage to said first run of said first chain; and
(iii) fourth means for moving said first run of said first chain back and forth;
(c) a second carriage; and
(d) second means for moving said second carriage back and forth between said first position and said second position such that, when said first carriage is in said first position, said second carriage is in said second position and, as said first carriage moves to said second position, said second carriage moves out of said first plane, then back into said first plane and into said first position, said second means comprising;
(i) a gantry;
(ii) a second chain having a first run that is parallel to or in said first plane;
(iii) fifth means for attaching said gantry to said first run of said second chain; and
(iv) sixth means for moving said second carriage up and down relative to said gantry, said sixth means comprising a third chain a first end of which is attached to said second carriage.
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Abstract
Apparatus for loading and unloading objects including a first carriage; apparatus for moving the first carriage back and forth in a straight line in a first plane between a first position and second position; a second carriage; and apparatus for moving the second carriage back and forth between the first position and the second position such that, when the first carriage is in the first position, the second carriage is in the second position and, as the first carriage moves to the second position, the second carriage moves out of the first plane, then back into the first plane and into the first position.
11 Citations
35 Claims
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1. Apparatus for loading and unloading objects, said apparatus comprising:
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(a) a first carriage; (b) first means for moving said first carriage back and forth in a straight line in a first plane between a first position and a second position, said first means comprising; (i) a first chain having a first run that is parallel to or in said first plane; (ii) third means for attaching said first carriage to said first run of said first chain; and (iii) fourth means for moving said first run of said first chain back and forth; (c) a second carriage; and (d) second means for moving said second carriage back and forth between said first position and said second position such that, when said first carriage is in said first position, said second carriage is in said second position and, as said first carriage moves to said second position, said second carriage moves out of said first plane, then back into said first plane and into said first position, said second means comprising; (i) a gantry; (ii) a second chain having a first run that is parallel to or in said first plane; (iii) fifth means for attaching said gantry to said first run of said second chain; and (iv) sixth means for moving said second carriage up and down relative to said gantry, said sixth means comprising a third chain a first end of which is attached to said second carriage. - View Dependent Claims (2, 3, 4, 5, 12, 13)
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6. Apparatus for loading and unloading objects, said apparatus comprising:
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(a) a first carriage; (b) first means for moving said first carriage back and forth in a straight line in a first plane between a first position and a second position, said first means comprising; (i) a first chain having a first run that is parallel to or in said first plane; (ii) third means for attaching said first carriage to said first run of said first chain; and (iii) fourth means for moving said first run of said first chain back and forth; (c) a second carriage; and (d) second means for moving said second carriage back and forth between said first position and said second position such that, when said first carriage is in said first position, said second carriage is in said second position and, as said first carriage moves to said second position, said second carriage moves out of said first plane, then back into said first plane and into said first position, said second means comprising; (i) a gantry; (ii) a second chain having a first run that is parallel to or in said first plane; (iii) fifth means for attaching said gantry to said first run of said second chain; and (iv) sixth means for moving said second carriage up and down relative to said gantry, said sixth means comprising; (A) a second fluid cylinder comprising a cylinder mounted on said gantry and a piston; (B) a first sheave mounted on said piston; and (C) a third chain trained over said first sheave and having a first end attached to said second carriage and a second end attached to said cylinder or to said gantry. - View Dependent Claims (7, 14, 15, 16, 17)
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8. Apparatus for loading and unloading objects, said apparatus comprising:
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(a) a first carriage; (b) first means for moving said first carriage back and forth in a straight line in a first plane between a first position and a second position; (c) a second carriage; and (d) second means for moving said second carriage back and forth between said first position and said second position such that, when said first carriage is in said first position, said second carriage is in said second position and, as said first carriage moves to said second position, said second carriage moves out of said first plane, then back into said first plane and into said first position, said second means comprising; (i) a gantry; (ii) a second chain having a first run that is parallel to or in said first plane; (iii) seventh means for attaching said gantry to said first run of said second chain; and (iv) eight means for moving said second carriage relative t said gantry, said eighth means comprising; (A) a second fluid cylinder comprising a cylinder mounted on said gantry and a piston; (B) a first sheave mounted on said piston; and (C) a third chain trained over said first sheave and having a first end attached to said second carriage and a second end attached to said cylinder or to said gantry. - View Dependent Claims (9, 10, 11, 18, 19, 20)
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21. Apparatus for loading and unloading objects, said apparatus comprising:
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(a) a base; (b) a gantry mounted on said base and projecting upwardly therefrom; (c) a first carriage mounted on said base; (d) first means for moving said first carriage back and forth in a straight line on said base between a first position and a second position; (e) a second carriage mounted on said gantry and positionable in either said first position or said second position; (f) second means for moving said second carriage up and down relative to said gantry; (g) third means for moving said gantry back and forth in a straight line on said base; and (h) fourth means for interrelating said first means and said second and third means such that, when said first carriage is in said first position, said second carriage is in said second position and, as said first carriage moves from said first position to said second position, said second carriage moves upwardly on said gantry from said second position, then said gantry moves relative to said base, and then said second carriage moves downwardly on said gantry and into said first position. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification