Abstract: A reconfigurable bulletin board caddy includes rectangular inner and outer, open topped containers dimensioned to effect a slip-fit nesting engagement there-between. A reversible closure member includes a planar closure panel, a first stepped peripheral skirt extending normally from the planar closure panel in a first direction, and a second peripheral skirt extending normally from the planer closure panel in a second opposite direction, The stepped peripheral skirt forms first and second offset circumferential engagement surfaces. The first circumferential engagement surface sealingly engages the opening of the outer container and the second circumferential engagement surface simultaneously sealingly engages the opening of said inner container when said inner container is nestingly disposed within the first container.

Abstract: A packaging apparatus is provided for packaging one or more deposition masks. The apparatus comprises a base comprising a first surface and a first recess; a cover disposed over the base and comprising a second surface facing the first surface and a second recess; a first film placed over the first surface to cover the first recess; a second film placed over the second surface to cover the second recess; and a plurality of insertion sheets interposed between the first film and the second film. The one or more deposition masks comprise a first mask interposed between first and second insertion sheets, the first mask having a width defining a width direction. Each of the first and second insertion sheets comprises a plurality of openings, each extending along the width direction when viewed in a viewing direction perpendicular to the first surface.

Abstract: The present disclosure includes a customizable packaging and method of customizing the packaging for an electronic device configurable to operate under a plurality of different brands and with a plurality of different networks. The brand and network to be utilized are designated at the point-of-sale, during activation, by the seller, and/or by the user. The customizable packaging and method include selecting from a plurality of labels and instructions manuals corresponding to the brand and/or network selected for the electronic device to operate under. The designation of a brand and/or network to be utilized can take place at the point-of-sale, during activation, by the seller, and/or by the user.

Abstract: The present disclosure is directed to a flexible pouch including a first chamber and a second chamber. The first chamber is separated from the second chamber by a seal. The first chamber has a fitment with an opening permitting access to the first chamber. The first chamber also has an absorbent material which is affixed to the pouch.

Abstract: The present disclosure generally pertains to a cover for a pickup truck tailgate. The cover is generally rectangular in shape and comprises a top portion, a bottom portion which hangs downward form the rear of the pickup truck, and at least one device for attaching the cover to the pickup truck tailgate. The bottom portion further includes at least one pocket for storing various implements, for instance those used during tailgating. The cover may be attached directly to the pickup truck with straps or other similar devices, and/or with magnets which will adhere to the truck bed or tailgate. The bottom may include graphics which may be observed from the rear of the pickup truck. The present disclosure also contemplates methods for securing the tailgate cover to a pickup truck.

Abstract: A plastic bag may include flexible thermoplastic sidewalls that have a pattern of ribs alternating between thinner areas. The ribs may also be alternating between two types of ribs having different lengths and shapes. The bag may also include a network pattern above the pattern of ribs.

Abstract: Push-pull closure for a drink container comprising a body element which comprises a through-opening and a fastening device, with which it may be sealingly and releasably connected to an opening of the drink container, a mouthpiece which may be axially displaceably inserted into the through-opening of the body element and which comprises at least one locking portion which may engage behind the through-opening of the body element, and a locking element which may be releasably attached to the inner face of the body element facing the drink container, the locking element being arranged so that the locking portion of the mouthpiece may not adopt a position in which it does not engage behind the through-opening of the body element, when the mouthpiece is inserted into the through-opening and the locking element is attached to the inner face of the body element.

Abstract: A dispensing closure with at least two dispensing-metering chambers, a piston in each chamber, and a plastic cover. The plastic cover includes a tamper-resistant lock. The bottoms of the chambers are closed with a covering foil. The chamber are in a bottom part of the closure body and extend into an upper guiding part of the closure body having guides. Cross-sections of the guides coincide with cross-sections of at least a portion of the chambers. Each piston includes a bottom face separating a content of the respective chamber. The plastic cover is rotatably mounted and includes an upper part having a lock preventing unintentional twisting-off of the plastic cover. The underside of each piston includes a plastic cutter for cutting the covering foil.

Abstract: A container for receiving two materials includes a main body, a controlling member, and a bottle cap. The main body has a head segment, a body segment connected to the head segment and a neck segment formed therebetween. The controlling member has a sealing portion to mate with the neck segment to divide the space within the main body into an upper cavity and a lower cavity. The bottle cap is configured to the head segment. An engaging portion is configured on the inner wall of the bottle cap. A connecting portion is standing on the sealing portion, and an engaging groove is defined on the connecting portion to be engaged with the engaging portion. Accordingly, when the bottle cap is rotated, the controlling member is driven to allow the sealing portion detaching from the neck portion, such that the upper cavity communicates with the lower cavity.

Abstract: A clamshell container includes a bottom portion and a top portion. The bottom portion includes a bottom wall and a side wall attached to the bottom wall. The bottom wall and the side wall form a bottom recessed area. The top portion is connected with the bottom portion along a fold line. The top portion is configured to fold over at least part of the bottom portion at the fold line to form a storage area between the top portion and the bottom recessed area. The top portion and the bottom portion are constructed of a first layer and a second layer attached to the first layer by an insulating material. The insulating material includes micro-encapsulated particles to expand and provide thermal insulation.

Abstract: The present disclosure relates to a blow-molded, rigid collapsible liner that can be suitable particularly for smaller storage and dispensing systems. The rigid collapsible liner may be a stand-alone liner, e.g., used without an outer container, and may be dispensed from a fixed pressure dispensing can. Folds in the rigid collapsible liner may be substantially eliminated, thereby substantially reducing or eliminating the problems associated with pinholes, weld tears, and overflow. The present disclosure also relates to flexible gusseted or non-gusseted liners, which is scalable in size and may be used for storage of up to 200 L or more. The flexible gusseted liner may be foldable, such that the liner can be introduced into a dispensing can. The liner can be made of thicker materials, substantially reducing or eliminating the problems associated pinholes, and may include more robust welds, substantially reducing or eliminating the problems associated weld tears.

Abstract: A blade dispenser for housing a plurality of unshelled blades, dispensing the blades one at a time therefrom and receiving used blades and storing the used blades therein. The dispenser includes a housing that has ribs forming a track, a dispensing slot at a first end of the housing, a pusher and a spring that aid in dispensing blades through the slot art the first end of the housing and a closure element that includes a slot connected to a second end of the housing to receive used blades.

Abstract: A dispensing system adapted for repeated activation of an aerosol can is described. The dispensing system includes components that improve the ability to receive and secure aerosol cans of different sizes within the dispensing system as well as improving the reliability and energy efficiency of the system.

Abstract: There is provided a technique that achieves the function of connecting a fluid container with a fluid consuming device by using a less number of components. A fluid container detachably connectable with a fluid consuming device comprises a fluid container body configured to contain a fluid; a fluid supply structure located at one end portion of the fluid container body; a container-side electrical connection structure including a contact element that comes into contact with a device-side electrical connection structure provided in the fluid consuming device; and a linkage member including a linkage part configured to link the fluid supply structure with the container-side electrical connection structure and a handle part that is grasped.

Abstract: A packaging box includes two side plates disposed oppositely, and each of the side plates provided with an inward recession; and two engaged-embedded parts disposed oppositely; wherein, the inward recession is matched with the engaged-embedded part, and the engaged-embedded part is placed into the inward recession. A cross-sectional shape of the engaged-embedded part is a trapezoid shape, and one acute angle of the trapezoid shape faces toward a top of the side plate. When moving the packaging box, the mechanical arm can embed into the engaged-embedded part. The engaged-embedded part formed by a hard-rigid material can prevent the mechanical arm from damaging the packaging box to reduce the waste of the packaging material. Besides, the cross-sectional shape of the engaged-embedded part is a trapezoid shape so that when the mechanical arm clamps the packaging box, the packaging box is not easily to drop in order to prevent the loss.

Abstract: Bin outlet inserts, and systems and methods employing bin outlet inserts for discharging materials are disclosed herein. For example, the bin outlet insert can be a transition device internal to and installed at a bottom of the bin that allows the circular outlet of a bin to be converted to a rectangular outlet (e.g., square outlet). A slide gate arranged at the bin outlet modulates the discharge of material (e.g., grain or seeds) from the bin. The rectangular cross-section of the outlet of the bin insert allows for a linear correspondence between displacement of the slide gate across the outlet to the volume flow of material discharged by the bin. Calculation of sliding gate position for a desired volume discharge, for example, in blending materials from multiple bins, can be simplified over using a circular outlet.

Abstract: A trash container concealment system for concealing a trash container includes a trash container that has a body and a lid hingedly coupled to the body. A shielding apparatus is provided to be positioned around the trash container thereby concealing the trash container.

Abstract: An apparatus and a method for controlling an apparatus for furnishing articles is disclosed. A conveyor unit is used to convey the articles. At least one exchangeable furnishing unit is designed to exchange identification data and/or control information during connection to the apparatus with the apparatus and/or with the conveyor unit. At least one storage area is provided, wherein the storage area stores at least two furnishing units. An automatically controlled feeding and withdrawing unit is used to operatively connect the storage area with the apparatus.

Abstract: A warehouse shuttle includes a chassis made up of first and second chassis portions and an article-carrying area between the chassis portions. Pairs of first and second running wheels are provided on the chassis to travel along the runway. One of a pair of arms is mounted to the first chassis portion and the other of the arms is mounted to the second chassis portion and are extendable and retractable to transfer an article between one of the shelves and the article-carrying area. A connector assembly connects the first and second chassis portions and can vary the spacing between the first and second chassis portions thereby varying the spacing between the arms to engage articles of different widths.

Abstract: An automatic rubbing roller storage system includes a roller storing device, a roller transport track, a roller transport platform and a positioning device; the roller storing device includes a rotatable roller storing portion, the roller storing portion has one end provided with a first damper and the other end provided with a second damper, and the roller is held therebetween; the roller transport platform includes a sliding base and a roller placement platform; a transmission device is disposed between the roller transport track and the sliding base. The automatic rubbing roller storage system can achieve automatic roller pick-and-place operation, improve the efficiency, save a large number of human labors and reduce the production and maintenance cost. An automatic rubbing roller pick-and-place method is also provided.

Abstract: An arrangement of coils of varying widths and diameters in a warehouse having an automated crane wherein: the coil axes are parallel; the coils are arranged in lines, the coil widths in each line falling within a first predetermined range associated with the line, the coil diameters in each line falling within a second predetermined range associated with the line and the coil axes in each line being orientated perpendicularly to said each line; the lines define (i) rows of coils; (ii) a bottom layer of coils; and (iii) one or more upper layers of coils; each upper layer coil is supported by a pair of lower layer coils in a line; the first and second predetermined ranges associated with the line in which said each coil is arranged are the same as those associated with the line in which the supporting coils are arranged.

Abstract: An underground water-storage system that includes a sump having a base and sidewalls that cooperate to define an open-topped box that defines a reservoir, a plurality of plastic water matrices each defining a void space for receiving water, and a lid. The sump and lid are formed of a reinforced geomembrane material and include welds and are prefabricated in a location remote from an installation site of the underground water-storage vault more than two days prior to installation.

Abstract: A mounting clip connected to a conveyor frame for supporting the wear strip with respect to the frame. The mounting clip includes a grip plate having a base portion, and a pierce portion joined to the base portion at a bend, the pierce portion having a tooth protruding from the pierce portion at an edge of the pierce portion opposite the bend. The mounting clip further includes a second plate having a second plate base portion and a riser portion. A stud is connected to the second plate base portion and passes through the base portion of the grip plate and through a portion of the conveyor frame. A nut is threaded onto the stud, thereby capturing the portion of the conveyor frame. The wear strip is captured between the pierce portion and the riser portion upon installation and the tooth penetrates the wear strip upon installation.

Abstract: A conveyor belt includes a first link having a first protrusion with a first mating surface that is curved. The first protrusion is disposed proximate a first rod receiving aperture of the first link. The belt also includes a second link having a second protrusion with a second mating surface that is curved. The second protrusion is disposed proximate a second rod receiving aperture of the second link. The first mating surface receives and abuts the second mating surface. The second link is restrained against movement in less than three orthogonal directions relative to the first link due to abutment of the first and second mating surfaces. The first and second rod receiving apertures are aligned when the first and second mating surfaces abut. Additionally, the belt includes a connecting rod extending through the first and second rod receiving apertures.

Abstract: An apparatus for supplying granular material, comprising a storing unit for storing granular material, a feeding unit for feeding granular material stored in the storing unit to a supply destination, a driving unit coupled to the feeding unit for driving the feeding unit, and a supporting unit forming a space for receiving the feeding unit, supporting the storing unit, the feeding unit and the driving unit, and being fixed to an object to be installed. The driving unit is supported by the supporting unit so as to be freely displaced between a coupling position where the driving unit is coupled to the feeding unit and a retracting position where coupling of the driving unit with the feeding unit is released and the feeding unit is removable from the supporting unit.

Abstract: Disclosed is a mobile conveyor apparatus comprising a bridge provided with at least one transport means for conveying material in the longitudinal direction of the bridge and support means extending from the bridge to the ground whereon the mobile conveyor apparatus is positioned where at least one of the support means is a travel support means connected to the bridge and being capable of moving the bridge on the ground and a movable conveyor arrangement supported by the bridge and configured for a back and forth movement on at least a portion of the bridge and being configured for interaction with the transport means. It is characterized in that at least one of the support means is a temporary support means comprising regulation means capable of establishing and removing ground contact.

Abstract: Controlling a distance between a first sprocket and a second sprocket in a conveyor. The control includes receiving a first signal from a first sensor related to an angular position of the first sprocket, determining a value for an angular position of the first sprocket based on the first signal, receiving a second signal from a second sensor related to an angular position of the second sprocket, determining a value for an angular position of the second sprocket based on the second signal, determining a relative difference in phase between the angular position of the first sprocket and the angular position of the second sprocket, and determining an amount of excess chain in the conveyor based on the relative difference in phase between the angular position of the first sprocket and the angular position of the second sprocket.

Abstract: A rotary orienter includes a turret rotatable about a central axis and at least one rotation pad rotatably mounted to the turret and selectively rotatable about a pad axis. The turret rotates to index the rotation pad to a receiving station, a discharge station and at least one actuating station distributed radially about the central axis. The actuating station is intermediate the receiving station and discharge station. The rotation pad indexes from the receiving station in a locked condition such that rotation of the rotation pad is prevented, and is selectively unlocked by the actuating station such that the unlocked rotation pad rotates during indexing of the turret from the actuating station to the discharge station to reorient an object received onto the rotation pad at the receiving station in a received orientation to a predetermined orientation for discharge of the object in the predetermined orientation at the discharge station.

Abstract: First imaging device collects first image data, whereas second imaging device collects second image data of a storage portion. A container identification module identifies a container perimeter of the storage portion in at least one of the collected first image data and the collected second image data. A spout identification module is adapted to identify a spout of the transferring vehicle in the collected image data. An image data evaluator determines whether to use the first image data, the second image data, or both based on an evaluation of the intensity of pixel data or ambient light conditions. An alignment module is adapted to determine the relative position of the spout and the container perimeter and to generate command data to the propelled portion to steer the storage portion in cooperative alignment such that the spout is aligned within a central zone or a target zone of the container perimeter.

Abstract: First imaging device collects first image data, whereas second imaging device collects second image data of a storage portion. A container identification module identifies a container perimeter of the storage portion in at least one of the collected first image data and the collected second image data. A spout identification module is adapted to identify a spout of the transferring vehicle in the collected image data. An image data evaluator determines whether to use the first image data, the second image data, or both based on an evaluation of the intensity of pixel data or ambient light conditions. An alignment module is adapted to determine the relative position of the spout and the container perimeter and to generate command data to the propelled portion to steer the storage portion in cooperative alignment such that the spout is aligned within a central zone or a target zone of the container perimeter.

Abstract: A sheet conveying device includes a conveyor, a first cover, a second cover movable in conjunction with the first cover, and a restricting portion movable between a restricting position at which the second cover is restricted from being moved from a first position toward a second position and an allowable position at which the second cover is allowed to be moved from the first position toward the second position. The restricting portion is located at the restricting position when the first cover is located at the closed position, and the restricting portion is moved from the restricting position to the allowable position in conjunction with the first cover when the first cover is moved from the closed position toward the opened position.

Abstract: A feeding apparatus and an image forming apparatus capable of reducing malfunctions due to wear of a portion where a sheet surface detection member makes contact with a sheet, and stably providing favorable feeding performance are provided. The feeding apparatus includes a holder configured to hold a first lever and a feed roller. The first lever includes a sheet contact portion configured to make contact with a sheet stacked on a sheet stacker. The feed roller, the first lever, and the holder are configured to be integrally detachable from a main body of the feeding apparatus.

Abstract: A medium loading device that is arranged adjacent to an image forming apparatus that includes a medium supply roller that carries a medium, includes a medium guide part that has a guide surface along which the medium is guided toward the medium supply roller, and is arranged on an upstream side of the medium supply roller in a medium carrying direction; a medium end contact part that is arranged on an upstream side of the medium guide part in the medium carrying direction, is positioned below the guide surface of the medium guide part in the vertical direction, and is configured to contact an medium upstream end of the medium so that a portion of the medium is upwardly supported when the medium upstream end of the medium contacts the medium end contact part.

Abstract: A scanning device and an image forming apparatus are provided. The scanning device includes document feeding rollers to convey a document along a document feeding path, a scanning member provided on the document feeding path to read images from the document, a cover to open and close a part of the document feeding path, a knob to manually rotate the document feeding rollers, and a clutch unit to selectively connect at least one of the document feeding rollers to the knob in correspondence with opening and closing operations of the cover.

Abstract: A box machine is retrofitted by removing the upper feed roll, sheet feeder, and by replacing the lower feed roll with a drive shaft. A transport section and a sheet feeder are then inserted into the box machine. The transport section comprises transport wheels driven by the drive shaft which engage a sheet to transport it to the box machine without crushing. The sheet feeder comprises feed wheels driven by a servo motor for feeding the lowermost sheet of a stack to the transport section. A feed interrupter is movable from a raised stop-feed position to a lowered feed position by cams rotated by a servo motor. A controller coordinates the velocity of the feed wheels and position of the feed interrupter. Retrofitted machines eliminate the need to increase Edge Crush Test ratings of sheets from the corrugator 15% to 20% greater than printed in the certificate stamp.

Abstract: Provided is a transport device including plural rollers that are provided on a transporting path on which a sheet is transported in a transport direction and is subjected to a process at a process position, and transport the sheet which comes into contact with surfaces of the rollers in the transport direction by rotation of the rollers, among the plural rollers, first rollers that are provided closest to the process position, among the plural rollers, second rollers that are provided closest to the first rollers on an opposite side with respect to the process position, and a driving unit that drives the first rollers and the second rollers to rotate so that a speed of a surface of the first roller is faster than a speed of a surface of the second roller at least while the sheet passes through the process position.

Abstract: An apparatus for redirecting a glass ribbon assembly from a first glass conveyance path to a second glass conveyance path. The apparatus includes a glass ribbon assembly source for providing the glass ribbon assembly including a flexible glass substrate that includes a first surface and a second surface that extend between a first edge and a second edge, first and second handling tabs affixed to the flexible glass substrate edges, and a primary roll member located downstream of the glass ribbon assembly source. The first glass conveyance path extends from the glass ribbon assembly source to the primary roll member, and the second glass conveyance path extends from the primary roll member in a downstream direction. Contact surfaces of the primary roll member are tangential to the first and second glass conveyance paths, and the second glass conveyance path is non-planar with the first glass conveyance path.

Abstract: Trailing end portions and leading end portions of two carrier tapes are detected in a first detecting position P1 and a second detecting position P1 which are set along a tape traveling path 5c by a first tape detecting sensor S1 and a second tape detecting sensor S2, and a tape feeding control device 26 controls a first tape feeding mechanism 20A and a second tape feeding mechanism 20B so as to control an interval between the trailing end portion and the leading end portion based on an interval control pattern.

Abstract: According to one embodiment, winding apparatus includes a bobbin, a core, a pressing section, a moving unit, a first rotating unit, a second rotating unit and a control unit. The moving unit is configured to move the pressing section relatively to the core along each of first to third axes perpendicular to each other. The first rotating unit is configured to rotate the pressing section relatively to the core around fourth and fifth axes perpendicular to each other, and set on the core. The second rotating unit is configured to rotate the pressing section relatively to the core around a sixth axis which becomes parallel to, when the core is in an initial position at which the fourth and fifth axes become parallel to any two of the first to third axes, a remaining one of the first to third axes.

Abstract: A method for connecting a tail end portion of a reinforcing fiber bundle of a preceding wound body to a front end portion of a reinforcing fiber bundle unwound from a new wound body by blowing pressurized air to both of the ends to unravel and entwine both of the reinforcing fiber bundles, wherein the method includes a preparation step for adjusting the amount of a sizing agent contained in the front end of the reinforcing fiber bundle unwound from the new wound body and the tail end of the preceding wound body to 4 wt % or less, and the reinforcing fiber bundles are connected after the preparation step.

Abstract: A cable dispenser for unwinding a cable from a purchased spool of cable wherein the cable dispenser includes a base plate formed from a rigid sheet of material has a top side and a bottom side, the top side having at least one vertically extending hub shaped to receive a central opening in a spool of cable and the base plate further including at least one alignment peg to help orient the central opening of the spool onto the at least one hub.

Abstract: An exemplary system for communicating with an elevator passenger includes a plurality of elevator passenger interface devices configured to allow an elevator passenger to indicate at least an elevator service request. The interface devices are configured to communicate at least elevator service information to an elevator passenger. A server communicates with the plurality of interface devices. The server is configured to determine when there is input at any of the interface devices. The server is configured to determine a meaning of such input. The server is also configured to determine output to provide at the corresponding interface device and to communicate the determined output to the corresponding interface device. The determined output is responsive to the determined meaning of the input.

Abstract: A support apparatus is guided in an elevator installation via a drive and a deflecting roller. A cover is arranged at the deflecting roller. The support apparatus running in or running out at the deflecting roller is at least partly covered by the cover. The cover is monitored by a monitoring device so that deformation of the cover by the support apparatus is ascertainable.

Abstract: An elevator system which utilizes a plurality of independently moving cabs and counterweights in each elevator shaft. Each cab is connected to one or more spatially separated counterweights at different counterweight connection points. The connection points are horizontally shifted on different cabs in order to prevent interference between cabs, cables, pulleys and counterweights. The top cab may have one counterweight cable and may be connected to one or more counterweights by connection points on the roof of the cab. The cabs are mounted on two opposing vertical guide rails, and each guide rail is mounted at the center of one side of the elevator shaft. The system includes a motor attached to each of the cabs by one or more lift cables to facilitate the independent movement of all cabs. Existing buildings can also be retrofit for compatibility with the present invention.

Abstract: An egg lifting device is provided. Such a device includes a body and a securing arrangement extending from the body. The securing arrangement is configured to engage and deflect about an egg such that the egg is seated within the securing arrangement for lifting thereof. A plurality of egg lifting devices are arranged on an egg removal system such that multiple eggs are capable of being removed from an egg flat. Associated systems and methods are also provided.

Abstract: In a method for determining a tilt angle of a crane, a portion of the crane is rotated about a pivot point. A Global Navigation Satellite System (GNSS) receiver antenna is disposed on the portion of said crane. At least three locations of the GNSS receiver antenna are determined by a GNSS receiver in a geo-referenced coordinate system during the rotating. A tilt angle of the crane based on the at least three locations of said GNSS receiver antenna is determined by a processor.

Abstract: One or more overhead cranes are provided. The overhead cranes include a first horizontal rail having a first end and a second end, a second horizontal rail having a third end and a fourth end, a first post connected to the first end of the first horizontal rail, a second post connected to the second end of the first horizontal rail, a third post connected to the third end of the second horizontal rail, a fourth post connected to the fourth end of the second horizontal rail and a cross member extending from the first horizontal rail to the second horizontal rail. The cross member includes a center span section, a first side arm and a second side arm. In some embodiments, the center span section is trapezoidialy shaped. In some embodiments, the overhead crane includes a vacuum system.

Abstract: The invention provides a livestock feed-displacing device and system, with a grab bucket which can be positioned above a feed kitchen with feed positions by a control unit, wherein the control unit is designed to compose an amount of animal feed from feed material provided in the feed kitchen by positioning the grab bucket at a grabbing position, grabbing livestock feed underneath said grabbing position, positioning the grab bucket at a desired feed-unloading point, such as in a feed wagon, and unloading the grabbed livestock feed at the feed-unloading point, wherein the control unit is designed to earmark, if at least one predetermined clearing-up criterion has been met, livestock feed in the feed kitchen as waste to be removed and to make the device carry out a clearing-up operation, wherein the clearing-up operation comprises the removal of the livestock feed at said feed position by displacing it to another position in the feed kitchen.

Abstract: Provided are a raisable-lowerable member capable of shortening a time required for assembling and disassembling of a crane, and a crane comprising the raisable-lowerable member. The raisable-lowerable member comprises: a boom attachable to an upper slewing body of the crane turnably about a boom-pivot-turn-axis in a raising-lowering direction; and a mast to be driven so as to be turned about a mast pivot-turn-axis parallel to the boom-pivot-turn-axis. The boom includes a boom body, a boom foot joined to a basal end of the boom body and adapted to be attached to the upper slewing body turnably about the boom-pivot-turn-axis, and a mast mounting portion joined to the basal end of the boom body. The mast has a basal end which includes a mast foot to be attached to the mast mounting portion turnably about the mast pivot-turn-axis.

Abstract: A bridge traverses along lift arms of a power unit, having leveling pads with inner rectangular plates and roller bearings; and each lift arms has an inner slide plate. The bridge has the general shape of a rectangular block and has a first longitudinal recess in each side, having a width slightly larger than the width of the slide rail, and a depth equal to the thickness of the slide rail. The bridge has a second longitudinal recess in each side having a width slightly larger than the diameter of the roller bearings and a depth slightly larger than the thickness of the roller bearings. The bridge is biased in the forwardly direction along the slide rails by a rectangular pusher frame. The pusher frame has a pair of side plates, with each outer side having a longitudinal recess therein slightly larger than the width of the slide rail and a depth equal to the thickness of the slide rail.