Concomitant motion control device
First Claim
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1. Apparatus for coordinating the movement of a first device along a closed loop path with the movement of an object along a second path parallel to a portion of said closed loop path, comprising:
- (a) endless loop track means for supporting said first device;
(b) variable speed drive means supported on said track means for moving said first device therealong;
(c) means for remotely sensing the proximity of said object along said portion of said closed loop path mounted for concomitant movement with said drive means and operably connected to vary the speed generated by said drive means responsive to the proximity of said object; and
(d) sensing means for detecting divergence of said object and said device operably connected to provide control input thereto subsequent to said divergence.
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Abstract
A controller for a device moving along a complementary path to a conveyed object, derives basic speed input from the object conveyor and uses a non-invasive sensor system to detect the proximity of the object. The sensor system controls electronic logic which causes a drive unit to match the speed of the device to that of the object over the complementary path. The controller returns the device to the start of the path for iterative utilization.
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Citations
11 Claims
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1. Apparatus for coordinating the movement of a first device along a closed loop path with the movement of an object along a second path parallel to a portion of said closed loop path, comprising:
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(a) endless loop track means for supporting said first device; (b) variable speed drive means supported on said track means for moving said first device therealong; (c) means for remotely sensing the proximity of said object along said portion of said closed loop path mounted for concomitant movement with said drive means and operably connected to vary the speed generated by said drive means responsive to the proximity of said object; and (d) sensing means for detecting divergence of said object and said device operably connected to provide control input thereto subsequent to said divergence. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification