Claims
- 1. An apparatus for handling, stowing, and off loading a pair of cylindrical bodies comprising:
- an elongated base;
- a pair of elongated trays positioned side by side above the base and parallel thereto for receiving the cylindrical bodies;
- means slidably mounting the trays for lateral movement on the base so that each tray can be selectively centered above the base for off loading purposes;
- each of said trays being pivoted to the mounting means along an inner edge of each respective tray so as to be capable of pivoting between downward and upward positions; and
- the lateral dimension of the pair of trays in their downward positions being greater than the lateral dimension of the base, but when one of the trays is pivoted to its upward position the lateral dimension of the trays being less than the lateral dimension of the base;
- whereby after unloading one of the cylindrical bodies from the apparatus, the unloaded tray can be pivoted upwardly and the loaded tray can be moved inwardly until the lateral space taken by the apparatus is minimized.
- 2. An apparatus as claimed in claim 1 including:
- the mounting means being an elongated strongback which is located parallel to and between the trays; and
- the strongback and trays forming a pair of cradles for receiving the cylindrical bodies.
- 3. An apparatus as claimed in claim 2 including:
- the trays and the strongback being formed by a plurality of rails; and
- each of the trays having a pair of bottom rails which are spaced to provide a guide for a bottom lug on a respective cylindrical body.
- 4. An apparatus as claimed in claim 1 including:
- the apparatus having fore and aft ends;
- a plurality of separate operable means for moving respective components of the apparatus; and
- said operable means substantially terminating in controllable ends at a common transverse plane which is substantially coextensive with the fore end of the apparatus.
- 5. An apparatus as claimed in claim 4 including:
- said operable means comprising shafts which extend parallel to the base and trays;
- each of said shafts terminating at said common transverse plane to provide said controllable ends; and
- each controllable end being configured in a nut for turning by a socket wrench.
- 6. An apparatus as claimed in claim 5 including:
- the mounting means being an elongated strongback which is parallel to and located between the trays; and
- the strongback and trays forming a pair of cradles for receiving the cylindrical bodies.
- 7. An apparatus as claimed in claim 6 including:
- the trays and the strongback being formed by a plurality of rails; and
- each of the trays having a pair of bottom rails which are spaced to provide a guide for a bottom lug on a respective cylindrical body.
- 8. An apparatus as claimed in claim 4 including:
- one of the operable means being means for driving the mounting means laterally across the base; and
- another one of the operable means being lever means for indexing the mounting means at various positions across the base.
- 9. An apparatus as claimed in claim 8 including:
- the mounting means being a strongback which has an elongated upright member which is parallel to and located between the trays;
- said various indexing positions across the base being a center stow position, a load position laterally spaced on each side of the center stow position, and an intermediate stow position between each load position and the center stow position;
- the outer lateral edge of the respective tray substantially meeting the top edge of the upright member of the strongback when the tray is pivoted to its upward position; and
- the apparatus taking up a minimum of lateral space when the strongback is in an intermediate position and one of the trays is folded to its upward position.
- 10. An apparatus as claimed in claim 9 including:
- one of the separable operable means being means for locking each respective tray in its upward position; and
- each tray lock means including a tray locking shaft slidably rotatably mounted on the strongback, one end of the shaft terminating in a controllable end at the common transverse plane;
- each tray having a transverse pin; and
- an arm transversely mounted on each shaft and having a hook at its end for engaging a respective pin and retaining the respective tray in the upward position.
- 11. An apparatus as claimed in claim 10 including:
- an eccentric cam fixedly mounted on each locking shaft;
- each arm being slidably rotatably mounted on each respective eccentric cam;
- each arm having a transversely projecting pin;
- a radially extending stop transversely connected to the cam for engaging each respective arm pin from opposite sides depending upon which direction the locking shaft is rotated so that upon rotating the locking shaft in one direction the cam stop will engage the arm pin on one side and rotate the arm in a corresponding direction, and upon rotating the locking shaft in an opposite direction the cam stop will engage the arm pin on its other side to rotate the arm in a corresponding opposite direction; and
- the angular position of the cam stop corresponding substantially with the angular position of the high side eccentricity of the cam so that the respective arm is pushed outwardly to release the hook from the respective tray pin when the cam stop is in engagement with the arm pin from either side thereof.
- 12. An apparatus as claimed in claim 11 including:
- the controllable end of each of the tray locking shafts terminating in a nut which can be turned by a socket wrench; and
- means at each controllable end of the tray locking shafts for locking rotation of the respective shaft, but yet longitudinally slidable by force of the socket and to release the shaft and allow the nut and the respective shaft to be turned by the socket wrench.
- 13. An apparatus as claimed in claim 9 wherein the driving means includes:
- a rack laterally mounted across the bottom of the strongback;
- a shaft and pinion mounted on the base for operating the rack; and
- said shaft terminating in said controllable end at the common transverse plane.
- 14. An apparatus as claim in claim 9 wherein the indexing means includes:
- a plate transversely mounted on the base with top edge spaced apart depressions which correspond to the center stow, load, and intermediate stow positions;
- a pin which is adapted to recess into the plate depressions;
- a spring biased bar slidably mounted on the strongback and having a curved slot;
- a second pin extending transversely from the first mentioned pin and slidably extending into the said curved slot so than when the bar is pulled against the spring force the first mentioned pin is raised out of a respective plate depression to allow the strongback to be driven laterally; and
- the bar terminating in one of said controllable ends at the common transverse plane.
- 15. An apparatus as claimed in claim 14 wherein the driving means includes:
- a rack laterally mounted across the bottom of the strongback;
- a shaft and pinion mounted on the base for operating the rack;
- said shaft terminating in said controllable end at the common transverse plane, and
- 16. An apparatus as claimed in claim 15 including:
- one of the separable operable means being means for locking each respective tray in its upward position; and
- each tray lock means including a tray locking shaft slidably rotatably mounted on the strongback, one end of the shaft terminating in a controllable end at the common transverse plane;
- each tray having a transverse pin; and
- an arm transversely mounted on each shaft and having a hook at its end for engaging a respective pin and retaining the respective tray in the upward position.
- 17. An apparatus as claimed in claim 16 including:
- the controllable end of each of the tray locking shafts terminating in a nut which can be turned by a socket wrench; and
- means at each controllable end of the tray locking shafts for locking rotation of the respective shafts, but yet longitudinally slidable by force of the socket and to release the shaft and allow the nut and the respective shaft to be turned by the socket wrench.
- 18. An apparatus as claimed in claim 4 including:
- straps fixed at one of their ends to the mounting means for lashing the cylindrical bodies to the trays;
- a cylindrical body release shaft slidably rotatably mounted along each respective tray;
- the other end of each strap having a hook for partially encompassing a respective release shaft to hold the strap about the cylindrical body; and
- transverse pins projecting from the shaft adjacent the hooks for forcing the hooks away from the release shaft and releasing the straps when the release shaft is rotated; and
- said release shaft terminating in one of said controllable ends at said common transverse plane.
- 19. An apparatus as claimed in claim 18 including:
- each tray having a longitudinal bottom located slot for receiving and guiding a lug on the cylindrical body along the respective tray; and
- means mounted on each tray and respective release shaft for stopping or releasing movement of the respective lug in the respective slot; and
- the release of the lug of a respective cylindrical body occurring substantially simultaneously with the release of a strap from the cylindrical body.
- 20. An apparatus as claimed in claim 19 wherein the stopping or releasing means includes:
- a plate slidably transversely mounted on a respective tray so as to be projectable in and out of the respective slot for stopping or releasing the body lug respectively;
- each plate having a notch in its top edge;
- a pin mounted parallel to and radially spaced from each respective release shaft for engaging the respective plate in its notch and for driving the plate transversely to stop or release the respective body lug when the respective release shaft is rotated.
- 21. An apparatus as claimed in claim 20 wherein the stopping or releasing means further includes:
- the mounting means having an outwardly extending tab in lateral alignment with each plate; and
- each plate having an inwardly extending tab which slides underneath the mounting means tab to lock the respective tray in the downward position and which slides away from the mounting means tab to release the tray to be rotated to the upward position as the plate is slid inwardly and outwardly respectively.
- 22. An apparatus as claimed in claim 4 including:
- a plurality of lashing shafts longitudinally and rotatably mounted in the base; and
- a plurality of straps wrapped at one of their ends about the respective shafts and adapted at their opposite ends to hook on a skid or dolly so that the straps can be wrapped tightly on the respective shafts to lash the apparatus to the skids or dollies.
- 23. An apparatus as claimed in claim 21 including:
- fore and aft gear boxes;
- a pair of forward located lashing shafts connected to the fore gear box;
- a first driving shaft also connected to the fore gear box for simultaneously driving the forward locating pair of lashing shafts;
- a pair of aft located lashing shafts connected to the aft gear box;
- a second driving shaft also connected to the aft gear box for simultaneously driving the aft located lashing shafts; and
- the first and second driving shafts having ends which terminate in controllable ends at said common transverse plane.
- 24. An apparatus as claimed in claim 1 including:
- the mounting means being a strongback which has an elongated vertical member which is located between the trays;
- handling means which conforms to the shape of a cylindrical body and which has a catch; and
- the top edge of the vertical member having a plurality of notches for receiving and retaining the catch of the handling means.
- 25. An apparatus as claimed in claim 24 including:
- each of the notches having inwardly extending edges;
- the catch having a hooked end which can be caught below one of the notch edges; and
- the catch having slidable means for wedging the hooked end in a respective notch.
- 26. An apparatus as claimed in claim 24 including:
- the handling means conforming to the shape of a pair of the cylindrical bodies and which has the catch located centrally therebetween.
- 27. An apparatus as claimed in claim 24 including:
- the handling means conforming to the shape of only one of the cylindrical bodies and which has the catch located to one side thereof.
STATEMENT OF GOVERNMENT INTEREST
The invention described herein may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.
US Referenced Citations (2)