US2987200A - Storage system - Google Patents

Storage system Download PDF

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Publication number
US2987200A
US2987200A US788557A US78855759A US2987200A US 2987200 A US2987200 A US 2987200A US 788557 A US788557 A US 788557A US 78855759 A US78855759 A US 78855759A US 2987200 A US2987200 A US 2987200A
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Prior art keywords
receptacle
receptacles
switch
motor
circuit
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US788557A
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English (en)
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Ingold Hans
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B53/00—Cabinets or racks having several sections one behind the other
    • A47B53/02—Cabinet systems, e.g. consisting of cabinets arranged in a row with means to open or close passages between adjacent cabinets

Definitions

  • the present invention relates, in general, to a storage system and, in particular, to a storage system in which a plurality of movable storage receptacles or containers are selectively movable to provide an access corridor or opening lbetween adjacent receptacles.
  • lt is an ⁇ object of the present invention to provide means which serve to attain the elimination of the disadvantages of the prior art storage systems.
  • FIG. l is an end elevation, in section, of a storage system pursuant to the present invention.
  • FIG. 1A is a detail view illustrating one of the movable receptacles shown in FIG. 1;
  • FIG. 2 is a top plan view of the system illustrated in FIG. 1;
  • FIG. 3 is an end View of one of the receptacles
  • FIG. 4 is a wiring diagram illustrating the circuit for controlling the operation of the system illustrated in FIG. l.
  • FIGS. 1 through 4 of the drawings there is shown a storage system 100, pursuant to the present invention, which, generally speaking, is characterized in the provision of one movable storage container or receptacle which is xedly coupled to a drive mechanism, a plurality of such containers being interconnectable, said drive mechanism having an effective length substantially equal to the maximum distance of displacement of said receptacles and as shown in FIG. l being longer than the width of two adjacent containers, and provision being made for control and locking means to operate said system.
  • each container has a front end wall 101, a rear end wall 102 and a base 103.
  • the base is provided with three casters or wheels 6, equally spaced widthwise thereof, which ride on rails 7 provided on the floor 104 of a storage room 105.
  • Each unit may be provided with trays (not illustrated) or similar devices for storing, for example and not by way of limitation, books, tiles, etc.
  • a drive device or mechanism for the system is mounted within or under the lioor 104.
  • the drive or traction mechanism comprises a sprocket chain S which extends in a direction transversely of the receptacles, as best seen in FIG. 2.
  • the chain is trained over a pair of spaced sprocket wheels 9 ⁇ and 10 which are mounted in horizontal relation with one of the sprocket wheels being adjustably displaceable relative to the other to tension the chain.
  • the first receptacle 1 is tixedly secured to the chain, as at 11, so as to serve as a motive or drive receptacle for the remaining movable receptacles 2, 3, 4 and 5.
  • the latter receptacles are connectable individually one to another, With the receptacle 2 being connectable to the drive receptacle.
  • This is eifected by means of coupling mechanisms 106 operative between the movable receptacles.
  • Said coupling mechanisms include a pivotally mounted coupling hook 107 at the front of each of the receptacles 2, 3, 4 and 5 which is pivotally movable by a control rod 12 mounted laterally thereof on the same receptacle.
  • Each control rod is operable by a reversible handle 13 so as to raise the companion coupling hook 107 from the inoperative or decoupling position thereof shown in FIG. 1A to a raised or coupling position.
  • each coupling hook 107 is beveled at its front or free end so that in coupling position, a companion catch ratchet 107A of an oncoming receptacle runs onto the hook so that the catch ratchet is forced up and falls down over the coupling nose of the hook, whereby coupling is effected.
  • catch ratchets are provided at the rear of each of receptacles 1, 2, 3 and 4.
  • an access corridor 10S is formed between receptacles 5 and 17 with said corridor or opening being of maximum width, as indicated by the reference character B.
  • the elective length of the sprocket chain or drive traction member 8 exceeds width B by a relatively small amount, for example and not by way of limitation, by 10%.
  • a safety corridor or access opening 109 is provided between the drive receptacle 1 and the front end receptacle 16 in which a person can move Without danger.
  • the sprocket chain 8 extends beyond the front of receptacle 1 and is driven by the previously mentioned sprocket wheel 9.
  • a transmission gear 14 positively connects the wheel 9 to an electric drive motor 15.
  • the position of receptacles 1 to 5 illustrated in FIGS. l and 2 is a service position in which all of the receptacles are pulled forward.
  • This provides an access opening 108 from which access may be had to the rear of receptacle 5 or to the Vrear stationary receptacle 17 in order to remove articles therefrom or -to supply articles thereto.
  • the various movable receptacles are all connected together in tandem by the coupling devices 106 therebetween.
  • FIG. 4 there is shown another position of the receptacles in which receptacles 2 to ⁇ 5 are moved up to the rear stationary receptacle 17, while the drive receptacle 1 is in its front end position, the same as in FIG. 1, so as to provide an access opening 110 between the rear of receptacle 1 and the front of receptacle 2.
  • Motor 15 is of the reversible type.
  • the motor energizing circuit includes a switch 19 for forward rotation or operation of the motor and a Switch 18 for reverse or rearward rotation or operation thereof.
  • Switch 18 is operable by a relay 20 and switch 19 is operable by a relay 21.
  • a control roller 26, mounted on receptacle 1 runs onto the inclined surface 27 of a control nose 28, which is mounted rearwardly of stationary receptacle 1.6, as shown in FIG. l, and opens a control circuit switch 29.
  • an emergency limit switch 22 is provided to halt the forward operation of the motor 15.
  • Switch 22 has a control roller 213 which is raised by the inclined surface 24 of a control nose 25 provided on receptacle 1 when the latter reaches its forwardmost end position, whereby to interrupt the main circuit of the motor.
  • Said main circuit is shown in heavy line in FIG. 4 and Aextends from the current-supply 111, through the manual On-Off switch 112, and the forward and reverse relay switches 19 and 18, to the motor.
  • a limit switch 30 is provided for the reverse operation of the motor.
  • Said switch has a control roller 31 which in the rear end position of drive receptacle 1 runs onto a fixed control nose 32 (shown in the lower half of the figure) which guides the roller downwardly and opens switch 3i) in the motor control circuit.
  • Each movable receptacle is provided on its rear with a control extension 33 having a control groove 34.
  • receptacles 2 to 5 and 17 are each provided at the front therof with a limit switch 35 having a control roller 36.
  • Each receptacle has a switchboard or panel, which is indicated at 3-7 for receptacles 2 to 5 and 17, and at 38 for receptacles 1 and ⁇ 16.
  • Each panel 37 has four switches 39, 40, 41 and 42.
  • Switch 39 is of the pushbutton ytype and functions as an emergency switch. Operation of switch 39 opens the control circuit for the drive motor 15 and deenergizes the latter.
  • Switch 40 is a key operated -twin switch which can be closed only with a key.
  • Switch 41 is a pushbutton type stop switch. Operation of switch 41 closes the control circuit for the reversing relay 20.
  • Switch 42 is also a pushbutton type and operation thereof closes the control circuit for the forward relay 21.
  • Key switch 441 is connected in parallel with switch 35 so that its operation is effective only when switch 35 is o en.
  • the panels 38 of the drive receptacle 1 and the stationary end receptacle 16 are each equipped with an emergency switch 39 which can be operated to deenergiZe the drive motor and stop movement of the system.
  • the lines from the panels on each of the movable receptacles are formed into a freely suspended cable 45 which permits for the movement of the particular receptacle.
  • Each cable 45 is suspended from a main overhead cable which extends from the power source 111 over the entire system, the panel on receptacle 16 being connected thereto by cable 114 and the panel on receptacle 17 being connected thereto by cable 115.
  • shielding slats 116 project from the front of receptacle 16 into the safety corridor 109 between receptacles 1 and 16. These slats operate switches 43 in the control circuit for motor 15 when they are depressed by contact with a person standing in the corridor to deenergize the motor and prevent operation of the system.
  • the receptacle train continues in a forward direction until the limit switch roller 26 of the forward limit switch 29 on receptacle 1 runs onto the inclined plane 27 of the iXed control member 28 to open limit switch 29 whereby to interrupt the control current ow and halt the system.
  • the maximum corridor width B between receptacles 5 and l17 has been attained, as shown in FIG. l.
  • the drive motor 15 can be operated, as previously explained, only from the panel of receptacle 17 from which the operator can observe corridor 108. Depression of one of the emergency pushbutton switches 39 immediately stops movement of the receptacles.
  • the receptacles 1 to 5 may be all coupled together when not in use, as in FIG. l, and due to the fact that an access opening can be created between any pair of receptacles as needed, much space can be saved iu the room 105 where the receptacles are located.
  • said room may be a library, a le room or a stock room.
  • Said space saving provides for an increase of the number of receptacles which can be used in any fixed room and a consequent increase in storage capacity.
  • the system i) has the advantage of greater simplicity over the prior art systems of the same general type because the drive mechanism is much smaller and the coupling devices can be made extremely simple since they serve only to intercouple adjacent receptacles and need not intercouple the receptacles and the drive mechamsm.
  • the system 117 shown in FIGS. 5 and 6 comprises a fixed left receptacle 16 and a fixed right receptacle 17, between which are provided the movable receptacles 125, with the receptacle 1 connected to the motor 15 through the drive mechanism which includes the chain 8.
  • the receptacle 1 is close to the xed receptacle 16 while the other movable receptacles 2 to 5 are unlocked at the fixed receptacle 17 so that an access opening 110 is defined between receptacles 1 and 2.
  • Each movable receptacle is provided at its upper right edge with an extension or track 34 in which a limit switch roller 36 mounted on the adjacent receptacle to the iight thereof can run.
  • Track 34 and roller 36 are so adapted to each other in height that when the roller is in raised position the limit switch 35 is closed.
  • the roller 36 returns to its lowermost position, and its limit switch 35 is opened.
  • track 34 on receptacle 1 is not engaged with the roller 36 on receptacle 2 so that switch 3S on receptacle 2 is open.
  • track 34 on each of receptacles 2 to 5 is engaged with the roller 36 6 on each of receptacles 3 to 17, respectively, so that switches 35 of receptacles 3 to 17 are closed.
  • the movable receptacle 1 is connected with the traction chain 8 which can be driven in either direction by the drive motor 15 via transmission gear 14, dependent upon the reversal of the switches connected with the respective receptacles, as hereinafter described in detail.
  • the chain 8 is guided in a channel in the bottom of which there is provided a number of switches 44.
  • Each switch has a projecting plunger 118 which underlies the chain so that upon rupture the chain engages the plunger 118 and the weight thereof opens the switch. It will be noted from FIG. 4 that a similar arrangement is provided in system 100.
  • two additional motor switches 1S and 19 are disposed in the stationary portion 119 of the system, as in FIG. 4. These motor switches are operated by relays 20 and 21, respectively, whose energizing circuits are connected to the main network which includes lines leading to switch contacts at the various receptacles and lines connected in series with the various receptacles across switch contacts thereof.
  • Receptable 1 is provided with a control roller 31.
  • roller 31 rides onto an inclined surface 32A of a stationary rail 32 to open the limit switch 30.
  • a second limit switch 22 having a control roller 23 which is engaged by an extension or rail 25 at the forward side of receptacle 1.
  • Receptacles 2 to 5 and 17 are provided with a control panel 37, and receptacles 1 and 16 each have a control panel 38.
  • Panels 37 each have four switches designated 39, 40, 41 and 42.
  • Each panel 38 has a single switch 39 which functions as an emergency or safety switch. Operation of a pushbutton switch 39 opens a control circuit to deenergize motor 15.
  • Switches 40 are operated with keys so that they can be closed only by the individual possessing the special key, namely the operator of the system. Consequently, it is the function of the present system to provide against incorrect or undesired manipulation of the receptacles as where several keys could be used simultaneously by dierent individuals in the same system.
  • Switches V41 are pushbutton operated plug switches which remain 4in the depressed position. The operation thereof closes the control circuit for relay 20.
  • Switches 42 are of the same type and close the control circuit for relay 21.
  • the receptacle 1 is additionally provided at its front surface with shielding slats 116 which operate switches 43 to interrupt the control circuit so as to deenergize the motor 15 or to prevent energization thereof when the slats are pressed into the receptacle by a person who may be present in corridor 109 between receptacles 1 and 16.
  • the switches 43 are in series with a speci-al limit switch 29.
  • the latter is provided with a control roller 26 which is operated by an inclined surface 27 on a control member or rail 28 when the receptacle 1 reaches its extreme left-hand position, as shown in FIG. 5, so that the switch 29 is opened.
  • the system is fed by a three-phase network 46 having a grounded conductor 47 and connected across a main switch 48.
  • Line 51 is connected directly with a grounded conductor y47.
  • Line 50 extends through a switch 53 ⁇ arranged for key operation and also over a thermal overload relay 54 whichr is part of the main switch 48.
  • receptacle 1 In the initial position, receptacle 1 is adjacent receptacle 16 with the receptacles 2 to 5 and 17 pushed together to form an access corridor between receptacles 1 Yformed between receptacles 1 and 16 with receptacles 1 and5 arranged inV a closed train abutting receptacle 17. It is assumed that network 46 is energized and that switches 4S and 53 are closed when operation begins.
  • roller 36 on receptacle 2 is disengaged from the groove in rail 34 on receptacle 1 so that limit switch 35 on receptacle 2 is opened while the limit switches 35 of receptacles 3 to 5 and 17 are closed.
  • the operator now inserts his key into switch 40 of receptacle 2.
  • Panel 37 of this receptacle is so located that the ⁇ operator has full vision into corridor 110 so that he can see if anyone is in the corridor.
  • switch 4t) in receptacle 2 is moved into the illustrated position while said switches yin receptacles 3 to 5 and 17 remain in their inoperative positions.
  • the circuit extends from line 50 through switch 53, line 55, switch 54, line 56 through the two closed rupture switches 44, through line 57, ⁇ through the safety switch 39 on the panel of receptacle 16 to line 58.
  • the latter has a branch to panel 38 of receptacle 1 where the circuit continues across the safety switch 39 of receptacle 1 to line 59. From the latter it extends across the safety switch 39 of receptacle 2, through line 69, through the upper contact bridge of the key-operated switch 40 which is shown in its operated position in receptacle 2, to line 61 and from the latter to the panel of receptacle 3. Since from this point the circuit passes through the panels of receptacles 3, 4, 5 and 17 in exactly the same manner it will suice to trace the circuit through the panel of receptacle 3.
  • the circuit extends from line 61 across the lower of the two contact bridges of safety switch 39 to line 62 and through the lower contact bridge of switch 40 to line 63. After the circuit extends through the panels of receptacles 4, 5 and 17 in the same manner, it reaches the coupling point 64 from which it extends across line 65, over the upper contact bridge of contact 40 in receptacle 1'7, across line 66, through the closed limit switch 35, through line 67 and the upper contact bridge of switch 39 to line 68.
  • Relay being energized closes the motor current switch 1S to energize motor 15 and move receptacle 1 to the right. Under normal conditions, the previously described circuit is not interrupted until the limit posi- Y tion switch 3) is interrupted upon engagement of its roller 31 with rail 32. Relay 2t) is immediately deenergized and the motor halts. However, the described starting circuit for relay 20 extends for different purposes over Various switches and contacts.
  • the starting circuit comprises switch 53, which is designed as a key operated switch on the main panel of the system. Consequently, the circuit cannot be energized until the operator closes switch 53 with his key.
  • the circuit of said system also includes the thermal overload relay switch 54. Consequently, if a solid object is located in the corcurrent which, after a short time, releases the overload protection and switch 54 is opened simultaneously with the main switch 48 to immediately stop the motor. Thereafter, the system cannot be restarted until switch 48 is closed manually.
  • the circuit proceeds through all the safety switches 39 of the various receptacles. These switches are hand-operated without a key so that any one noticing a dangerous situation can stop all movement by pressing a switch 39 on any receptacle. However, if these were the only safety switches present it would be possible to set a receptacle in motion when it is undesirable for the operator. For example, the following might occur:
  • An individual has obtained a duplicate key to operate the system in the absence of the authorized operator.
  • the authorized operator may wish to eiect the described movement of the receptacles. For this purpose he inserts his key into switch 40 and turns it. He now notices that a person or object is present in corridor 110 between receptacles 1 and 2 and asks him to leave the corridor or remove the object before he sets receptacle 1 in motion by operation of switch 41.
  • the other individual in possession of the unauthorized key, now sets anyone of the key-operated switches 40 on another receptacle, for example receptacle 3, 4, 5 or 17 and then presses the button for switch 41 on this receptacle. Receptacle 1 will start to move and the person in the corridor may be injured.
  • the present system provides that the circuit for relay 20 extends in series over Iboth contacts of switch 40 in one receptacle, namely receptacle 2, from which the operator has unobscured vision into the corridor, in the closed condition of these contacts, and also over the two contacts of switch 40 on al1 the other receptacles, which latter switches 40, however, are disconnected.
  • receptacle 1 After completion of the foregoing operation, receptacle 1 will abut receptacle 2 and the access opening will be located between receptacles 1 and 16.
  • the circuit runs from line 50, through key switch 53, line 55, over current switch 54, line 56, chain rupture switches 44, line 57, safety switch -39 of receptacle 16, line '58, safety switch 39 of receptacle 1, ⁇ line 59, the upper contact bridge of switch 39 in receptacle 2, line 75, contact 35 of receptacle 2, which is closed under the action of rail 34, line 76, the upper contact in switch 40 of receptacle 2, which is now closed after the key has been withdrawn, line 69, corresponding parts in receptacle 3, line 77, the upper contact bridge in safety switch 39 of receptacle 4, line 78, the upper contact bridge in safety switch 40 of receptacle 4, which is now closed after operation by the key, line 79, lower contact bridge in safety switch 39 of receptacle 5, line 80, the lower ridor the motor is loaded excessively to create an overcontact bridge in switch 40 of receptacle 5, line 81, corresponding parts in receptacle 17, junction
  • Relay 21 is thus operated and closes the motor switch 19, the motor being set in operation and moving the receptacle 1, together with the receptacles 2 and 3 coupled thereto, to the left to open an access corridor between receptacles 3 and 4, until the described relay circuit is interrupted by operation of limit switch 29 to deenergize the motor.
  • the circuit for relay 21 extends over the key-operated contact 40 on receptacle 4 and over the non-key operated contacts 40 on all the other receptacles, so that all movement is halted as soon as two switches 40 are operated simultaneously.
  • a drive mechanism for effecting said movement of the receptacles, means iixedly securing one of said receptacles to the drive mechanism, means to interconnect all of said receptacles whereby to eiect said receptacle movement by movement of said one receptacle, means for limiting the extent of movement of said receptacles to a predetermined maximum displacement distance to thereby define the maximum widthwise dimension of said access corridor, said drive mechanism being dimensioned in accordance with said maximum widthwise dimension, individual controls for effecting forward and reverse movements, respectively, of said one receptacle, an electric motor for operating said drive mechanism, key-operated locking means on each of said receptacles to prevent unauthorized movement thereof
  • a drive mechanism for effecting said movement of the receptacles, means iixedly securing one of said receptacles to the drive mechanism, means to interconnect all of said receptacles whereby to eiect said receptacle movement by movement of said one receptacle, means for limiting the extent of movement of said receptacles to a predetermined maximum displacement distance to thereby detine the maximum widthwise dimension of said access corridor, said drive mechanism being dimensioned in accordance with said maximum widthwise dimension, individual controls for effecting forward and reverse movements, respectively, of said one receptacle, an electric motor for operating said drive mechanism, key-operated locking means on each of said receptacles to prevent unauthorized movement thereof, and
  • a drive mechanism for eiecting said movement of the receptacles, means tixedly securing one of said receptacles to the drive mechanism, means to interconnect all of said receptacles whereby to effect said receptacle movement by movement of said one receptacle, means for limiting the extent of movement of said receptacles to a predetermined maximum displacement distance to thereby deiine the maximum widthwise dimension of said access corridor, said drive mechanism being dimensioned in accordance with said maximum widthwise dimension, individual controls for effecting forward and reverse movements, respectively, of said one receptacle, an electric motor for operating said drive mechanism, key-operated locking means on each of said receptacles to prevent unauthorized movement thereof, and
  • a drive mechanism for effecting said movement of the receptacles, means xedly securing one of said receptacles to the drive mechanism, means to interconnect all of said receptacles whereby to eiect said receptacle movement by movement of said one receptacle, means for limiting the extent of movement of said receptacles to a predetermined maximum displacement distance to thereby define the maximum widthwise dimension of said access corridor, said drive mechanism being dimensioned in accordance with said maximum widthwise dimension, individual controls for effecting forward and reverse movements, respectively, of said one receptacle, an electric motor for operating said drive mechanism, key-operated locking means on each of said receptacles to prevent unauthorized movement thereof, circuit means for
  • a drive mechanism for effecting said movement of the receptacles, means iixedly securing one of said receptacles to the drive mechanism, means to interconnect all of said receptacles whereby to eiIect said receptacle movement by movement of said one receptacle, means for limiting the extent of movement of said receptacles to a predetermined maximum displacement distance to thereby deiine the maximum widthwise dimension of said access corridor, said drive mechanism being dimensioned in accordance with said maximum widthwise dimension, individual controls for effecting forward and reverse movements, respectively, of said one receptacle, an electric motor for operating said drive mechanism, key-operated locking means on each of said receptacles to prevent unauthorized movement

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  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
US788557A 1958-01-24 1959-01-23 Storage system Expired - Lifetime US2987200A (en)

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Application Number Priority Date Filing Date Title
CH881568X 1958-01-24

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US788557A Expired - Lifetime US2987200A (en) 1958-01-24 1959-01-23 Storage system

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US (1) US2987200A (de)
CH (1) CH356717A (de)
DE (1) DE1107596B (de)
FR (1) FR1221904A (de)
GB (1) GB881568A (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168361A (en) * 1962-04-26 1965-02-02 Elecompack Co Ltd Shiftable stack assembly
US3563400A (en) * 1967-11-10 1971-02-16 Richard Johnson Greaves Storage facility
US3865446A (en) * 1972-12-04 1975-02-11 Estey Corp Storage means with shiftable units
JPS53115538A (en) * 1974-07-05 1978-10-09 Naito Yoshiharu Mobile storage
US20050132924A1 (en) * 2003-11-17 2005-06-23 Bothun Richard A. Track system for modular storage
US20060043813A1 (en) * 2004-08-27 2006-03-02 Delta Electronics, Inc. Stator structures
US20060231517A1 (en) * 2003-11-17 2006-10-19 Bothun Richard A Modular storage system for logistical management of operational units
US20070216120A1 (en) * 2003-11-17 2007-09-20 Bothun Richard A All-terrain retail merchandising unit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140787A (en) * 1989-07-10 1992-08-25 John Corcoran High density storage facility
US5062242A (en) * 1989-07-10 1991-11-05 John Corcoran High density storage facility
DE4227609C2 (de) * 1992-08-20 1995-12-21 Siemens Ag Vorrichtung zum raumsparenden Abstellen von Kraftfahrzeugen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2031392A (en) * 1934-06-20 1936-02-18 Eugene S Taylor Parking apparatus
US2654489A (en) * 1947-06-13 1953-10-06 Hans Ingold Storage arrangement
US2706573A (en) * 1947-06-13 1955-04-19 Hans Ingold Safety means for storage devices
US2772639A (en) * 1951-12-12 1956-12-04 Ingold Hans Storage installations in particular with traction cable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2031392A (en) * 1934-06-20 1936-02-18 Eugene S Taylor Parking apparatus
US2654489A (en) * 1947-06-13 1953-10-06 Hans Ingold Storage arrangement
US2706573A (en) * 1947-06-13 1955-04-19 Hans Ingold Safety means for storage devices
US2772639A (en) * 1951-12-12 1956-12-04 Ingold Hans Storage installations in particular with traction cable

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168361A (en) * 1962-04-26 1965-02-02 Elecompack Co Ltd Shiftable stack assembly
US3563400A (en) * 1967-11-10 1971-02-16 Richard Johnson Greaves Storage facility
US3865446A (en) * 1972-12-04 1975-02-11 Estey Corp Storage means with shiftable units
JPS53115538A (en) * 1974-07-05 1978-10-09 Naito Yoshiharu Mobile storage
US20050132924A1 (en) * 2003-11-17 2005-06-23 Bothun Richard A. Track system for modular storage
US20050144858A1 (en) * 2003-11-17 2005-07-07 Bothun Richard A. Modular storage structure for logistical management of operational units
US20050150178A1 (en) * 2003-11-17 2005-07-14 Bothun Richard A. Modular storage units for uniforms and wearable equipment
US20060231517A1 (en) * 2003-11-17 2006-10-19 Bothun Richard A Modular storage system for logistical management of operational units
US20070216120A1 (en) * 2003-11-17 2007-09-20 Bothun Richard A All-terrain retail merchandising unit
US7484631B2 (en) 2003-11-17 2009-02-03 Nenger Corporation Modular storage system for logistical management of operational units
US7963533B2 (en) 2003-11-17 2011-06-21 Wenger Corporation All-terrain retail merchandising unit
US20060043813A1 (en) * 2004-08-27 2006-03-02 Delta Electronics, Inc. Stator structures

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FR1221904A (fr) 1960-06-07
DE1107596B (de) 1961-05-25
CH356717A (de) 1961-08-31
GB881568A (en) 1961-11-08

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