Abstract: A bracket for mounting objects to a wall includes a base defining mounting holes for fasteners. An arm extends from the base and has a top, a bottom and a maximum width at the interconnection with the base. The mounting holes includes at least two that are spaced from another by a distance greater than a maximum width of the arm so that one of the mounting holes is outside the arm on one side of the arm and another of the mounting holes is outside the arm on the other side of the arm. At least a portion of the mounting holes is located above the top of the arm.

Abstract: The present coupler-mounted connector enables industry standard hooks on horizontal rods to rest at such a height as to provide uniform appearance to the top of drape walls. The coupler-mounted connector includes an adaptor to support couplers for the drape rods to be mounted on a vertically disposed, affixed coupler, such as a coupler on a pipe, a flat-mounted coupler, or any other coupler. The body of the coupler-mounted connector is positioned around the affixed coupler. The coupler-mounted connector includes a spanning element with a lower wedge to mate with the openings in the upper body of the affixed coupler. The coupler-mounted connector is secured in the coupler with the accessories protruding to one or more sides of the coupler-mounted connector. The accessories are connected to the coupler-mounted connector by one or more connection bridges.

Abstract: A bracket for attachment to a structure is provided that includes a base having a supporting portion and a mounting portion extending at an angle to the supporting portion. The mounting portion defines one or more first mounting holes sized to receive a fastener for mounting the bracket to the structure and disposed at an oblique angle to the mounting portion. The base defines a gap having a width. The bracket includes a support arm extending from the base and through the gap of the base. The support arm has a width at an interconnection with the base that is less than the width of the of the gap such that a first portion of the base is on one side of the support arm and a second portion of the base is on an opposite side of the support arm. At least a portion of the one or more first mounting holes is located above a top of the support arm.

Abstract: A securing mechanism for blind fascia is provided. The mechanism includes a removable fascia connector that is movable between an engaged position that effects the securing of the fascia and a disengaged position that allows the fascia to be removed.

Abstract: An adjustable fence-top trellis support bracket assembly forms the basis of a system for creating adjustable trellises on two sides of a fence or wall, and includes a) an elongated support bracket member, b) curved-loop ends on the elongated bar member and the adjoining bracket portion wherein one is attached proximal one end and the other proximal an opposite end of an elongated bar member; c) a movable L-shaped leg generally perpendicular to an elongated bar member of the elongated support bracket portion, wherein the movable leg is engagable with the elongated support bracket member; and d) a means for adjusting and then securing the movable L-shaped leg against the elongated bar portion of the support bracket member.

Abstract: A telescopic baby safety door barrier and an auxiliary mounting device are provided. The telescopic baby safety door barrier includes a door barrier main body, wherein the door barrier main body is provided with a mounting portion; a connecting hole is formed in the mounting portion; and the mounting portion is provided with a double faced adhesive tape. When the telescopic baby safety door barrier is mounted necessarily, only the mounting portion is adhered to a wall by the double faced adhesive tape, holes are then punched through the connecting hole, and screws are then mounted, thereby being convenient in mounting. The auxiliary mounting device includes a base provided with a sliding groove and a mounting jig slidably disposed in the sliding groove, and a first adjustment assembly for fixing the mounting jig is disposed between the mounting jig and the base.

Abstract: A support assembly is provided comprising a support portion, an anchoring portion and a receptacle portion configured to receive and secure an item to a wall. In some embodiments, the support assembly comprises a support portion having an upper end and a lower end, an anchoring portion having a penetration end and support end, a receptacle portion having a support end and a receptacle end, the penetration end of the anchoring portion comprising a sharpened tine whereby the anchoring portion may be forced into the wall without the need to drill a hole, and the receptacle end of the receptacle portion having a u-shape whereby the receptacle portion is configured to receive and retain a curtain rod. In some embodiments, anchoring portion comprises an arcuate member. In some embodiments, the anchoring portion comprises a straight member.

Abstract: The disclosure provided herein is directed to a torque pull-up bar having a torque assembly positioned over a pull-up bar that is configured to selectively limit the rotation of a pull-up bar between a static position and freewheeling. In a strong resistance configuration and a weak configuration, the pull-up bar is capable of a limited rotation due to a resistance member that is biased to return to a natural state. Through selective engagement of the resistance member with the pull-up bar, the degree of rotation is modified.

Abstract: There is disclosed brackets for hanging items such as curtain rods for supporting curtains. The brackets may be installed in various configurations. In one aspect, the brackets may be installed without making leveling measurements.

Abstract: A bracket for mounting objects to a wall includes a base defining mounting holes for fasteners. An arm extends from the base and has a top, a bottom and a maximum width at the interconnection with the base. The mounting holes includes at least two that are spaced from another by a distance greater than a maximum width of the arm so that one of the mounting holes is outside the arm on one side of the arm and another of the mounting holes is outside the arm on the other side of the arm. At least a portion of the mounting holes is located above the top of the arm.

Abstract: There is a self-tapping curtain rod bracket with spaced prongs terminating with tips. The tips and prongs are used to penetrate and create holes in a wall. They extend through the holes and engage the backside of the wall. A wall support extends from the spaced prongs along the frontside of the wall to provide support. An arm extends away from the wall and has a cradle to support a curtain rod. The wall support also has an arm support, and the spaced prongs also includes a mount support. The mount support being located between the arm support and the arm.

Abstract: Door operator systems include the use of an adaptor. The adaptor may be utilized to operatively couple separate door operator assemblies together in a double door operator system. The adaptor includes control components (e.g., switches, buttons, toggles, or levers) that are used to turn the door operator system on and off. While the adaptor may be used to operatively couple two separate door operator assemblies together to form a double door operator system, the adaptor may also be used within a single door operator system. Furthermore, with respect to double door operator systems, the system may also utilize a back plate assembly formed from two or more separate back plates (e.g., two or more back plate portions).

Abstract: An improved roller shade system provides increased support, additional adjustments and/or increased safety. The slip plate allows the brake to slip forward and minimize damage to the clutch spring when a user pulls too hard on the hembar. The center drive mechanism extends through a bracket to allow the drive shaft to distribute power in both directions and drive two shade tube simultaneously. The tube adapter absorbs force from the spinning shade tube to minimize damage to the other components and the bead chain. The sprocket has a back wall supporting the sprocket, allowing the sprocket 130 to rest on the back flange of the sun gear to minimize pressure on the gears. An adjustment arm is adjusted to help level the shade band. The shade bands may be removed without disturbing the other shade bands in the system. A height of a hembar may be adjusted by rotating a rod within the hembar.

Abstract: An improved roller shade system provides increased support, additional adjustments and/or increased safety. The slip plate allows the brake to slip forward and minimize damage to the clutch spring when a user pulls too hard on the hembar. The center drive mechanism extends through a bracket to allow the drive shaft to distribute power in both directions and drive two shade tube simultaneously. The tube adapter absorbs force from the spinning shade tube to minimize damage to the other components and the bead chain. The sprocket has a back wall supporting the sprocket, allowing the sprocket 130 to rest on the back flange of the sun gear to minimize pressure on the gears. An adjustment arm is adjusted to help level the shade band. The shade bands may be removed without disturbing the other shade bands in the system. A height of a hembar may be adjusted by rotating a rod within the hembar.

Abstract: An improved roller shade system provides increased support, additional adjustments and/or increased safety. The slip plate allows the brake to slip forward and minimize damage to the clutch spring when a user pulls too hard on the hembar. The center drive mechanism extends through a bracket to allow the drive shaft to distribute power in both directions and drive two shade tube simultaneously. The tube adapter absorbs force from the spinning shade tube to minimize damage to the other components and the bead chain. The sprocket has a back wall supporting the sprocket, allowing the sprocket 130 to rest on the back flange of the sun gear to minimize pressure on the gears. An adjustment arm is adjusted to help level the shade band. The shade bands may be removed without disturbing the other shade bands in the system. A height of a hembar may be adjusted by rotating a rod within the hembar.

Abstract: An improved roller shade system provides increased support, additional adjustments and/or increased safety. The slip plate allows the brake to slip forward and minimize damage to the clutch spring when a user pulls too hard on the hembar. The center drive mechanism extends through a bracket to allow the drive shaft to distribute power in both directions and drive two shade tube simultaneously. The tube adapter absorbs force from the spinning shade tube to minimize damage to the other components and the bead chain. The sprocket has a back wall supporting the sprocket, allowing the sprocket 130 to rest on the back flange of the sun gear to minimize pressure on the gears. An adjustment arm is adjusted to help level the shade band. The shade bands may be removed without disturbing the other shade bands in the system. A height of a hembar may be adjusted by rotating a rod within the hembar.

Abstract: There is provided a dual mount end cap system for mounting a rod. The dual mount end cap system includes both a threaded system and a fastener system. This enables end caps of the system to be pre-mounted using a fastener and also adjusted using the threaded system. The fastener can extend through the dual mount end cap system. Alternatively, the threaded system can be used without the fastener system. There also is provided a stop system to prevent a locking system for an adjustable rod system to prevent the locking system from becoming stuck.

Abstract: A system for mounting a window treatment to a structure includes a beam supporting or forming a portion of the window treatment, a flange of a trim ring or an accessory thereof, and a clip connectable to the beam and to the flange.

Abstract: A bracket for mounting objects to a wall includes a base defining mounting holes for fasteners. An arm extends from the base and has a top, a bottom and a maximum width at the interconnection with the base. The mounting holes includes at least two that are spaced from another by a distance greater than a maximum width of the arm so that one of the mounting holes is outside the arm on one side of the arm and another of the mounting holes is outside the arm on the other side of the arm. At least a portion of the mounting holes is located above the top of the arm.

Abstract: A curtain rod bracket assembly with a bracket base that is configured to be mounted to a wall or a ceiling, and a bracket arm defining at least one curtain rod supporting portion that is configured to hold a curtain rod in a generally horizontal orientation, and first and second mounting locations. The first mounting location is configured to be coupled to the bracket base when the bracket base is mounted to a wall, while maintaining a curtain rod supporting portion such that it is configured to hold a curtain rod in a generally horizontal orientation. The second mounting location is configured to be coupled to the bracket base when the bracket base is mounted to a ceiling, while maintaining a curtain rod supporting portion such that it is configured to hold a curtain rod in a generally horizontal orientation.

Abstract: A gimbal frame includes a guide rod and a locking mechanism mounted at the guide rod. The locking mechanism includes a tightening member disposed at the guide rod, a transmission member disposed at the guide rod and in transmission engagement with the tightening member, an abutting member disposed at one side of the transmission member, and a driving member connected to the abutting member. The transmission member can move in a first direction to drive the tightening member to move in a second direction. The driving member can drive the abutting member to abut the guide rod and to drive the transmission member to move in the first direction.

Abstract: An adjustable bracket system that is used to secure a box shade roller to a fixed structure. The adjustable bracket system comprises of a pair of L-shaped bracket that are secured to a fixed structure, a pair of L-shaped box roller holders that are inserted within a guide of the L-shaped brackets, and a pair of screws that are inserted within a pair of threaded bores of the L-shaped brackets that allows a box shade roller to be adjusted when placed in the adjustable bracket system.

Abstract: An apparatus for a curtain rod that is attachable to a ceiling or to a wall and that possesses graspable holders slidable along a sliding rod of the curtain rod and supportable by the same, which graspable holders have devices for holding a curtain. The curtain rod has a ledge-shaped holder base extending along the length of the curtain rod, through which screws are received for fastening the holder base against the ceiling or wall. From the holder base, a ledge-shaped neck extends that supports the sliding rod. An obtuse angle is formed between the holder base and neck, in the space formed between the wall or ceiling where the curtain rod is fastened. At the top, the holders have flanges, at least one flange of which is shape-adapted to the cross-sectional shape of the sliding rod and possibly to spring apart from the other flange.

Abstract: An anchoring system for use with a device having a clean status indicator may include at least one first slide component having at least one slot and at least one second slide component disposed within the at least one slot configured to move in relation to the at least one first slide component along at least a first axis extending along a length of the at least one slot, a second axis extending along a width of the at least one slot, and a third axis extending perpendicular to the first axis and the second axis. At least one of the at least one first slide component and the at least one second slide component may be configured to be secured to at least one of the device and a rigid support structure immediately adjacent to the device to allow for a controlled degree of movement of the device along at least the first axis, the second axis, and the third axis.

Abstract: A rotatable bracket structure includes a frame body and a fixation seat in connection with the frame body, where the frame body is configured with an engagement portion, and the fixation seat a sleeve, the inside of the fixation seat configured with a unidirectional rotating structure having an axle shaft allowed to be fixed to the engagement portion after passed through the sleeve, Furthermore, an elastic element is put around the axle shaft and positioned between the unidirectional rotating structure and sleeve. Whereby, the two fixation seats, upon assembly, are fixed to a wall surface, and the two frame bodies are properly rotated an angle to allow the two frame bodies to clamp and position a rod body through the unidirectional rotating structure to form a hanging frame after the two ends of the rod body are passed through the respective frame bodies, thus achieving a convenient, quick assembly.

Abstract: A master/slave shaft arrangement includes: a motor having an output shaft; a master drive barrel, the first end of which being rotationally driven by the output shaft of the motor, the master drive barrel having, at a second end thereof, a master drive sprocket; a synchronizing shaft that is rotationally driven at its second end by a first coupling assembly, the rotational driving of the synchronizing shaft being synchronous with the rotational driving of the master drive barrel by the motor; and a slave barrel, the slave barrel being rotationally driven at its first end by a second coupling assembly that rotationally couples the synchronizing shaft with the slave barrel to rotationally drive the slave barrel, the rotational driving of the slave barrel being synchronous with the rotational driving of the synchronizing shaft and the rotational driving of the master drive barrel by the motor.

Abstract: An apparatus for clamping and grounding an upper and lower solar panel mounting rail. The apparatus comprises a fastener with an enlarged end, and a shank, with the enlarged end having one or more sharp protrusions that resemble teeth, and a washer with one or more sharp protrusions, and an opening. When installed, the shank is inserted through the opening of the washer, the sharp protrusions of the enlarged end penetrate either the lower or upper mounting rail and the sharp protrusions of the washer penetrate the other mounting rail while at the same time creating a grounding path through the apparatus.

Abstract: A curved shower rod attachment assembly, which includes a first element that is adapted and configured for attachment to a surface and a second element that is securable to the first element and includes a protrusion that has an opening formed therein that extending at an angle and is configured to receive a shower rod. The dual channel interlocking bracket allows a curved shower rod to hinge within the attachment assembly to preclude rotation and sagging.

Abstract: A shelf assembly is constructed of elongate members and adjustable supporting brackets. The elongate members are received within aligned pairs of apertures formed in the supporting brackets in a manner restricting the vertical movement of the elongate members. Adjustable set screws extend into each of the apertures, selectively engaging the received elongate members and preventing their inadvertent removal.

Abstract: A shade system includes a plurality of shade assemblies each including an elongated shade tube having an inner surface defining an inner cavity, an outer surface for winding receipt of a flexible shade, at least one coupling end, and an axis of rotation; a connector assembly having a first coupling unit secured to the inner surface at the coupling end of a first shade tube and a second coupling unit secured to the inner surface at the coupling end of a second shade tube substantially adjacent the first shade tube, the first coupling unit and the second coupling unit cooperating to transfer an applied torque from the first shade tube to the second shade tube; an end bracket for rotatably supporting a free end portion of a shade tube when attached to a supporting structure; and a mounting bracket for adjusting the connector assembly.

Abstract: A tension rod mechanism for a tension rod having a first outer shaft with a second inner shaft slideable therein. A first collar receiveable in the first outer shaft of a tension rod for rotational movement therewith and slidable axial movement relative thereto threadingly engages a tapered first threaded shaft and is configured to apply a outwardly-directed radial force to the first outer shaft. A second collar fixedly receivable in the second inner shaft for movement therewith engages the second threaded shaft. A first rotation of the first outer shaft relative to the second inner shaft increases the outwardly-directed radial force applied by the first collar to the first outer shaft, and a second rotation in an opposite direction increases the axial distance between the first and second collars.

Abstract: A window rod assembly includes two support arm assemblies each including a bracket, a support arm having a first end rigidly connected to the bracket, and a tube rigidly connected to a second end of the support arm; a curtain rod including a first rod section and a second rod section configured in a telescoping arrangement and sized to fit into the tubes of the support arm assemblies; a locking mechanism for securing the relative axial position of the first rod section with respect to the second rod section; and a force adjusting mechanism mounted on at least one of the support arm assemblies and configured to apply an inward force to the curtain rod at a location within the first tube and an outward force to the support arm assemblies to force the brackets into support surfaces of a window opening or window casing.

Abstract: A rotatable shower rod system may be provided. The system may include a pair of mounting brackets coupled to a wall, the pair of mounting brackets includes a stationary portion; a rotatable portion rotatably coupled to the stationary portion, the rotatable portion rotates to at least one of a first position and a second position about an axis of rotation; and a cover coupled to the stationary portion; and a curved rod extending between the pair of mounting brackets.

Abstract: An adjustable curtain rod assembly includes an adjustable-length rod having a first end and a second end, a bracket pivotably coupled to one of the first and second ends of the rod about a pivot axis that is oriented substantially perpendicular to a longitudinal axis of the rod, a first contact pad on the bracket spaced in a lateral direction from the pivot axis for frictionally engaging a support surface, and a second contact pad on the bracket spaced in an opposite lateral direction from the pivot axis as the first mounting pad for frictionally engaging the support surface.

Abstract: The present application pertains to a system for adjusting the height of a covering, such as window or a wall covering formed of two or more covering segments that are axially aligned. The system includes a link that selectively transmits rotation between two adjacent coverage thereby allowing the two coverings to be controlled, e.g., raised or lowered, simultaneously. The link includes a clutch that allows one of the segments to be rotated with respect to the other so that the bottom end of one of the coverings can be adjusted and aligned horizontally independently of the other. Optionally, the clutch includes an internal member that provides a mechanical advantage while the one covering is adjusted.

Abstract: A rotatable shower rod system may be provided. The system may include a pair of mounting brackets coupled to a wall, the pair of mounting brackets includes a stationary portion; a rotatable portion rotatably coupled to the stationary portion, the rotatable portion rotates to at least one of a first position and a second position about an axis of rotation; and a cover coupled to the stationary portion; and a curved rod extending between the pair of mounting brackets.

Abstract: A device for hanging curtain rods is disclosed. In one embodiment, a device includes a mounting base, a post coupled to the mounting base, an adjustable sleeve designed to adjustably operatively engage the post, and a front portion coupled to the adjustable sleeve. In another embodiment, a device includes a double L-shaped bracket and a front portion that is designed to be removably coupled to one end of the double L-shaped bracket. In still another embodiment, a device includes a mounting base, a post coupled to the mounting base, and a front portion coupled to the post. The front portion in any of the embodiments may be one of many decorative faces contained in a kit. The kit may contain such suitable decorative faces, including but not limited to, a heart, a basketball, a crown, or any suitable combination or variation thereof.

Abstract: A method and apparatus for adjustably mounting tracks that suspend horizontal sliding doors at a freight elevator landing. The apparatus comprises a plurality of brackets adapted to be mounted in the shaft on the header above the landing opening. The brackets are each secured to the header with anchor bolts. Each anchor bolt is set in the header but initially allows vertical movement of the bracket. An adjusting screw, carried on each bracket, is arranged to easily and precisely move the bracket up or down relative to the anchor bolt as needed to position the tracks and, therefore, the door panels at a proper height. Once adjusted such that a specified gap is established between the lower edges of the door panels and the threshold, each anchor bolt can be tightened to fix its respective bracket in its adjusted position.

Abstract: A plurality of interchangeable window treatment clips is provided, and each clip includes is attachable to a wall or window frame or positioned on and slidable along the length of a mounted curtain rod. The interchangeable window treatment clips include a U-shaped mounting bracket formed to accept a mounting screw or fastener for securing the clip to the wall. Alternatively, opposite sides of the U-shaped mounting clip may be formed with a rod-accepting aperture for placement over a curtain rod. A removable clip assembly is shaped to be attachable to the U-shaped mounting bracket and includes a clip capable of grasping curtain material, such as a pleated curtain, drapery, or curtain panel. The front surface of the removable clip assembly is equipped with a fastener, such as hook-and-loop or magnetic fasteners that facilitate the attachment of the decorative and ornamental panel.

Abstract: The present invention is an adjustable mounting bracket for mounting a roller blind to a surface such that the roller blind can be quickly leveled. The bracket includes first and second plates, the first plate having apertures to permit the first plate to be mounted to the surface. The second plate has a mounting fixture formed thereon for mounting to the roller blind. To permit the second plate to move relative to the first plate, the second plate is provided with an elongated groove formed thereon, the second plate being movably mounted to the first member by a mounting element fixed to the first plate and passing through the groove. The mounting element and groove are dimensioned and configured to permit the second plate to slide between a first and a second position. The position of the second plate relative to the first plate is adjusted by an adjustable moving mechanism which is configured to precisely position the second plate between its first and second positions.

Abstract: A ribbon rod assembly for hanging and supporting a fabric such that complete vertical folds are formed is disclosed. The ribbon rod assembly includes a ribbon rod body having a curved portion defining a plurality of opposing curves interposed between a pair of end portions adapted to directly engage a curtain rod, window header, ceiling and/or wall using one or more end brackets.

Abstract: An electrode assembly for use in a plasma processing system that includes removable rails that are adjustable for reconfiguring the electrode to accommodate substrates of different widths. The electrode assembly includes an electrode having a plurality of first connecting members. Associated with the electrode is a plurality of rails that cooperate for supporting the substrates on the electrode. Each of the rails includes a plurality of second connecting members. Each of the second connecting members is connected detachably with one of the first connecting members for removably mounting the rails with the electrode.

Abstract: An adjustable bracket for mounting the headrail for a covering for architectural openings includes a stationary base member mountable on a wall or ceiling surface having a slot formed therein and a headrail holder connectable to the headrail and adjustably movable and operably connected within the elongated slot between fixed positions.

Abstract: A shower curtain support system includes a first rod having a first arcuate portion and a first end portion and a second rod having a second arcuate portion and a second end portion. The second arcuate portion is telescopically mounted within the first arcuate portion. A first end support is removably and pivotably mounted to the first end portion and a second end support is removably and pivotably mounted to the second end portion.

Abstract: An adjustable, compressive mount for a shower curtain rod fits neatly within the curtain rod to maintain the esthetic appearance of the rod. A rotatable extension within the rod is moved in and out of the rod to alter the effective length of the rod. Extending the rod to fit within the enclosure provides a frictional fit against the opposing walls of the shower enclosure, without the need to place screws into the walls of the enclosure.

Abstract: A U-shaped curtain rod mainly includes an adjustable rod formed from two telescoping hollow tubes; two knuckle joints connected to two outer ends of the adjustable rod, each of which being formed from two laterally symmetrical sets of a connecting arm and an adjusting block; and two mounting plates to which the knuckle joints are pivotally turnably connected. The two adjusting blocks of each knuckle joint are closely attached to each other by a screwing member extending through centered holes thereof, and are provided at contact surfaces with a plurality of radially extended adjusting teeth. By slightly loosening the screwing members, the two adjusting blocks of each knuckle joint could be turned relative to each other, allowing the two connecting arms to pivotally turn to positions closer to or away from a window to which the curtain rod is fixed.

Abstract: A curtain rod assembly includes a curtain rod and a plurality of inserts coupled to the curtain rod. Distributed about the polygonal cross-section of the curtain rod are surfaces disposed substantially parallel to the longitudinal axis and non-coplanar with respect to each other. The inserts are coupled to these surfaces such that the inserts' respective external faces, having a first portion of a hook and loop fastener thereon, are disposed for attachment thereto from different directions. Preferably, the inserts may slide along the curtain rod to be positionable at any desired position. One or more window treatment panels may be attached to the curtain rod via the inserts using hook and loop fastener of a complementary type to the hook and loop fastener on the inserts.

Abstract: An inverted suspension fixture (10) for mounting of a valance or curtain across a doorway (12) is provided. The fixture (10) includes first and second brackets (34,32) respectively mounted to the door adjacent the free margin (24) thereof and to the opposed stile (16) or to the portion of the wall (14) adjacent the latter. An elongated, telescoping rod (36) is operatively coupled with the brackets (32, 34) so that, upon opening of the door (20) the rod telescopes together to assume a retracted condition; upon closing of the door (20), the rod telescopes apart to assume its original expanded condition. The fixture (10) may be modified using any combination of brackets (32, 32a, 32c, 34) for double french or atrium doors.

Abstract: A mount for supporting the ends of parallel hung curtain rods has telescoping male and female members pivotally mounted on a base with a tensioning screw. Connectors for receiving the ends of the curtain rods are mounted on remote ends of the telescoping male and female members. The distance between the connectors and the angle of an axis intersecting the connectors can be adjusted by loosening the tensioning screw and then tightening it to fix the connectors and, hence, the curtain rods in a desired disposition.

Abstract: A master/slave shaft arrangement includes: a motor having an output shaft; a master drive barrel, the first end of which being rotationally driven by the output shaft of the motor, the master drive barrel having, at a second end thereof, a master drive sprocket; a synchronizing shaft that is rotationally driven at its second end by a first coupling assembly, the rotational driving of the synchronizing shaft being synchronous with the rotational driving of the master drive barrel by the motor; and a slave barrel, the slave barrel being rotationally driven at its first end by a second coupling assembly that rotationally couples the synchronizing shaft with the slave barrel to rotationally drive the slave barrel, the rotational driving of the slave barrel being synchronous with the rotational driving of the synchronizing shaft and the rotational driving of the master drive barrel by the motor.