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A deployable corral system for a transport trailer, such as a livestock trailer, provides a readily deployable corral along the trailer, and is readily stowable along the trailer in a retracted configuration for travel. The corral includes a pair of spaced-apart and pivotably-extendable corral rails

A deployable corral system for a transport trailer, such as a livestock trailer, provides a readily deployable corral along the trailer, and is readily stowable along the trailer in a retracted configuration for travel. The corral includes a pair of spaced-apart and pivotably-extendable corral rails with a cross-rail extending between distal ends of the extendable corral rails. When the extendable corral rails are extended the cross-rail is spaced from an exterior side of the livestock trailer, and when the extendable corral rails are retracted the cross-rail is positioned near a roof of the trailer. A drive system is operable to move the extendable corral rails between the extended and retracted positions. Optionally, the drive system is powered by motors associated with linear or rotary actuators. Further options may include storage bins along the cross-rail, a deployable shade awning, and a deployable trough.

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1. A deployable corral system for a transport trailer, said corral system comprising: a pair of pivotably extendable corral rails having respective proximal end portions and distal end portions, wherein said proximal end portions are configured for attachment to the trailer, and said extendable corr

1. A deployable corral system for a transport trailer, said corral system comprising: a pair of pivotably extendable corral rails having respective proximal end portions and distal end portions, wherein said proximal end portions are configured for attachment to the trailer, and said extendable corral rails are movable between an extended position and a retracted position relative to the trailer;a corral cross-rail coupled to said distal end portion of at least one of said extendable corral rails, wherein when said at least one extendable corral rail is in said extended position said corral cross-rail is spaced horizontally away from an upright wall of the trailer, and when said at least one extendable corral rail is retracted said corral cross-rail is positioned at or a near a roof panel of the trailer; anda drive system operable to move said extendable corral rails between said extended and retracted positions;wherein said extendable corral rails and said corral cross-rail, in the extended position, cooperate with the upright wall of the trailer to define a corral area. 2. The corral system of claim 1, wherein said proximal end portions of said extendable corral rails are pivotably coupled to a lower region of the trailer at forward and rearward ends of the trailer, whereby a substantially horizontal pivot axis of said extendable corral rails is oriented longitudinally along the lower region of the trailer. 3. The corral system of claim 1, wherein said distal end portions of said extendable corral rails are telescopically extendable and retractable relative to said proximal end portions of said extendable corral rails. 4. The corral system of claim 3, further comprising a corral rail extension system operable to extend and retract said distal end portions of said extendable corral rails relative to said proximal end portions of said extendable corral rails. 5. The corral system of claim 4, wherein said drive system comprises said corral rail extension system. 6. The corral system of claim 1, wherein said drive system comprises a pulley and a cable. 7. The corral system of claim 6, wherein said pulley is configured for mounting at the trailer, and said cable comprises a proximal end wound around said pulley and a distal end attached to a respective one of said extendable corral rails. 8. The corral system of claim 1, further comprising a storage bin coupled to an outboard side of said corral cross-rail, wherein said corral cross-rail and said storage bin are positioned above the roof panel of the trailer when said extendable corral rails are retracted. 9. The corral system of claim 8, wherein said storage bin comprises a pivotable top lid and a pivotable front panel, wherein said front panel is pivotable to an open configuration and said front panel is configured to maintain a substantially horizontal orientation in the open configuration. 10. The corral system of claim 1, further comprising an upper corral rail attached to said distal end portion of each of said extendable corral rails and pivotable between a retracted position substantially parallel to said corral cross-rail and an extended position substantially parallel to said extendable corral rails, wherein said upper corral rails have distal end portions configured to be secured to the upright wall of the trailer when said upper corral rails are in said extended position. 11. The corral system of claim 1, wherein said corral cross-rail is pivotably coupled to said extendable corral rail, and said corral cross-rail is configured to pivot between a retracted configuration in which said corral cross-rail is substantially perpendicular to said extendable corral rail, and an extended configuration in which said corral cross-rail is set at an obtuse angle relative to said extendable corral rail. 12. The corral system of claim 1, further comprising a support leg pivotably coupled to said distal end portion of each of said extendable corral rails, wherein said support legs extend downwardly when said extendable corral rails are in said extended position, and said support legs extend upwardly when said extendable corral rails are in said retracted position. 13. The corral system of claim 12, further comprising a linkage coupled to each of said support legs, wherein said linkages are configured to pivot each of said support legs relative to said extendable corral rails in response to said extendable corral rails moving between said extended and retracted positions. 14. The corral system of claim 1, further in combination with the trailer. 15. The corral system and trailer of claim 14, wherein said upright wall comprises a pair of upright recesses for receiving at least portions of respective ones of said pivotably extendable corral rails in said retracted position. 16. The corral system of claim 15, further comprising a retractable awning system including a flexible awning sheet having a proximal edge configured for attachment to the trailer and a distal edge that is extendable outwardly from the trailer, and a pair of awning support arms having upper end portions coupled to said distal edge of said flexible awning sheet and lower end portions pivotably coupled to respective ones of said extendable corral rails. 17. The corral system and trailer of claim 14, further comprising a feed or water trough pivotably coupled to upright wall, wherein said feed or water trough is extendable into the corral area and is retractable into said upright wall. 18. A transport trailer with deployable corral system, comprising: a plurality of upright walls and a pair of wheels supporting said upright walls;a pair of extendable corral rails having respective proximal end portions coupled to one of said upright walls, and said extendable corral rails having distal end portions, wherein said extendable corral rails are movable between an extended position and a retracted position relative to said one of said upright walls;a corral cross-rail coupled to said distal end portion of at least one of said extendable corral rails, wherein when said at least one extendable corral rail is in said extended position said corral cross-rail is spaced horizontally away from said one of said upright walls, and when said at least one extendable corral rail is retracted said corral cross-rail is positioned at or above an upper end portion of said one of said upright walls; anda drive system operable to move said extendable corral rails between said extended and retracted positions;wherein said extendable corral rails and said corral cross-rail, in the extended position, cooperate with said one of said upright walls to define a corral area. 19. The transport trailer of claim 18, further comprising a feed or water trough pivotably coupled to said one of said upright walls, wherein said feed or water trough is extendable into the corral area and is retractable into said one of said upright walls. 20. The transport trailer of claim 18, further comprising: a roof panel positioned atop said plurality of upright walls;a storage bin coupled to an outboard side of said corral cross-rail, wherein said corral cross-rail and said storage bin are positioned above said roof panel when said extendable corral rails are retracted; anda fairing at a forward end of said roof panel and extending above said roof panel, wherein said fairing is configured to provide a wind break for at least said storage bin and said corral cross-rails when said extendable corral rails are moved to said retracted position. 21. The corral system and trailer of claim 18, wherein said one of said upright walls comprises a pair of upright recesses for receiving at least portions of respective ones of said extendable corral rails in said retracted position. 22. The transport trailer of claim 18, further comprising: a roof panel positioned atop said plurality of upright walls; anda retractable awning system comprising: a flexible awning sheet having a proximal edge configured for attachment to said roof panel or to said one of said upright walls, and a distal edge that is extendable outwardly from said one of said upright walls;an end support rod attached to said distal edge of said flexible awning sheet; anda pair of awning support arms having upper end portions coupled to said end support rod and lower end portions pivotably coupled to either (i) respective ones of said extendable corral rails or (ii) said one of said upright walls. 23. The transport trailer of claim 22, further comprising: a pair of upright recesses formed in said at least one upright wall for selectively receiving at least portions of respective ones of said extendable corral rails in said retracted position, and for selectively receiving at least portions of respective ones of said awning support arms; anda horizontal recess formed along at least one of (i) an upper end portion of said at least one upright wall, (ii) a side edge portion of said roof panel, and (iii) along an intersection of said at least one upright wall with said roof panel;wherein said horizontal recess is configured to receive said end support rod and at least a portion of said flexible awning sheet when said distal edge of said flexible awning sheet is retracted toward said at least one upright wall.