Abstract: A string loop tensioning pliers device includes a first member comprising a first handle and a fixed arcuate jaw comprising an upper jaw and a lower jaw. The lower jaw has an arcuate claw end and the upper jaw has a first lateral dowel pin end and three in-line lateral facing beveled prongs. A second member comprises a second handle pivotally connected above the first member and includes a notched end opposite the handle and a second lateral dowel pin configured to join with the middle prong when the pliers are closed. A method for using the disclosed tensioning pliers includes tensioning a string knotted to the bowstring, spreading a loop created on the bowstring and tensioning the created loop by inserting the middle prong joined with the second lateral dowel through the formed loop and squeezing the pliers to separate the middle prong and the second lateral dowel.

Abstract: A process for winding a web substrate is disclosed. The process provides the steps of: (a) providing a turret assembly having a plurality of mandrels each having an unsupported end; (b) providing a mandrel cupping assembly for releasably engaging the unsupported ends of each mandrel; (c) driving the turret assembly about a closed mandrel path; (d) indexibly rotating a first mandrel to a first position; (e) disposing a core upon the mandrel; (f) connectively engaging a first cupping arm with the unsupported end of the mandrel with an actuator; (g) engaging a web substrate to the core; (h) disposing the web substrate about the core; (i) indexibly rotating the mandrel to a second position; (j) disengaging the cupping arm from the mandrel at the second position; and, (k) removing the core and the convolutely wound web material from the mandrel.

Abstract: The invention relates to a traction rod for bracing a crane jib, comprising a metallic tubular body and coupling elements which are connected to both ends thereof in an articulated connection of the traction rods among each other by means of bolts. According to the invention, the tubular body and the coupling elements can be detachably connected to each other, dispensing the need for a bonded connection, wherein the region of the connection is dimensioned in such a manner and is low on notch effects that, by calculation, the entire load capacity of the tube cross-section can be exploited with respect to a highest possible fatigue strength.

Abstract: Tools, devices and methods of modifying existing toilet paper and paper towels that do not have inner cardboard tubes with insert adapters to modify the nondefined openings in the rolls. The adapter tools can slide onto the ends of the spindles and have narrow tip exteriors, and/or have threaded exterior surfaces, and the like. Inserts can have spiral cut grooves or spiral raised ribs, with a chamfered tip end and an enlarged base end.

Abstract: An article transport device having a housing space for housing an article retained by an article-retaining unit located in a raised position, is formed in a moving body of the article transport device, and an aperture for allowing the article-retaining unit to be raised and lowered between the raised position and a lowered position, is formed in the lower-end part of the housing space. The article transport device further comprising purified air ventilation means for ventilating purified air through an air purification filter, an opening/closing element capable of changing positions to an open position for opening the aperture and a closed position for blocking the aperture by pivoting around a lateral axis, and opening and closing control means for positioning the opening/closing element in the open position in a case in which the article-retaining unit is raised or lowered between the raised position and the lowered position.

Abstract: A crane includes first and second column segments. At least a first, third and fifth connector are located on the first segment, respectively mating with at least a second, fourth and sixth connector on the second segment. Each of the connectors includes at least a first extension having a through-hole positioned in the extension such that the through-holes of mating connectors are aligned when the column segments are aligned. A first pin fits tightly through the through-hole of the first extension on the first connector and the through-hole of the first extension on the second connector to hold the first and second connectors together. A second pin fits loosely through the through-hole of the first extension on the third connector and the through-hole of the first extension on the fourth connector to hold the second and fourth connectors together. The connectors also include a compressive load bearing surface.

Abstract: A device that integrates an ascender with a pulley block consisting of two side plates pivotally connected to one another and selectively opened or closed, for loading a rope into a rope channel defined therebetween. Affixed adjacent the rope channel is a selectively activated rope clamp, to hold or release a rope. A sheave adapted to freewheel on an axle, is positioned offset the rope channel, and is used for mechanical advantage rigging when ascending or rescue. Also, a link connection is located at or near the sheave and is used for the attachment of a foot loop or other connection for assisting in ascending on a rope.

Abstract: The invention relates to an axial displacement device (3) to be used in conjunction with a rotary winch (2), said winch comprising a drum (7) being rotatable about an axis of rotation (a-a), said axial displacement device to be arranged stationary with respect to said winch and comprising one or more guiding elements (23), said one or more guiding elements being configured to displace a winding of said line in an axial direction parallel to said axis of rotation with at least the diameter of said line, so that a part of said winding being in contact with said drum runs in a plane substantially perpendicular to the axis of rotation.

Abstract: A control mechanism has a means for lifting, a lifting cable, and a lifting cable housing. The means for lifting has a control post, and a lift handle attached to a lift body frame about a lift pivot. The lift body frame extends longitudinally perpendicular from the control post. A hydraulic strut extends between an upper lift pivot and a lower lift pivot. A slide rail extends from a roller housing through the slide rail housing. A roller rests between a roller pin and a set pin within the roller housing. A plurality of spacing sliders straddle the slide rail. Removal of one or more of the spacing sliders allows the roller housing and the slide rail to move towards the lift housing member, thereby allowing rotation of the lift body frame and compression of the hydraulic strut.

Abstract: The invention relates to a system for bracing a telescopic crane, in particular a mobile crane, with a bracing unit which can be mounted on the jib. The bracing unit comprises erectable bracing supports and a holding frame for securing the bracing unit to the jib. The holding frame has a cross-section which is open at the top and allows the jib to be inserted from above the bracing unit The invention also relates to a method of positioning and mounting such a bracing unit on the jib of a telescopic crane.

Abstract: A working machine includes a base machine and a working attachment. The working attachment has a base-end boom, a lead-end boom, and an arm. The working machine is collapsible into a triple-folded state, with the base-end boom being located on the upper side and the arm being located on the lower side with respect to the lead-end boom, as a posture of the working machine for transport. The working machine further includes a lead-end boom cylinder for moving the lead-end boom, and an arm cylinder for moving the arm. The lead-end boom has a first lead-end boom cylinder attachment portion for mounting the lead-end boom cylinder, and a first arm cylinder attachment portion for mounting the arm cylinder. The first lead-end boom cylinder attachment portion is disposed at a position different from the first arm cylinder attachment portion in a widthwise direction of the working attachment, and lower than the first arm cylinder attachment portion in the transport posture.

Abstract: A lift crane includes a carbody; ground engaging members elevating the carbody off the ground; a rotating bed rotatably connected to the carbody; a boom pivotally mounted at a first end to the rotating bed with a load hoist line extending adjacent a second end of the boom; a boom hoist mechanism that can be used to change the angle of the boom relative to the rotating bed during crane operation; and a boom raising assist structure connected to the boom. The boom raising assist structure preferably includes at least one ground engaging member in contact with the ground; and a boom elevating member extending between the assist structure ground engaging member and the boom. The boom elevating member supports at least a part of the weight of the boom.

Abstract: A mobile crane includes a boom extension assembly having a base boom section with a primary shell and a secondary formed shell attached thereto, which allows for selective strengthening along the length of the base boom section. Methods involve manufacturing a boom assembly including such a base boom section.

Abstract: A mobile ski towing system is a fixed or portable towing system used to pull a towee on a; ski, wakeboard, snowboard, longboard, surfboard, skateboard, mountainboard, or other similar ski or board, by reeling a towrope with a handle around a spool which is driven by a motor. There are three operating modes to control the towing independently or dependently of a dedicated-operator; a pull-to-start mode for independent towing, an on-board control mode for dependent towing, and a remote control mode for either independent or dependent towing. A mobile ski towing system comprises a mobile base with an outside frame and an internal pivoting frame, onto which the components of; motor, spool, spool shaft, spool shaft bearings, spider coulper and brake are mounted. The pivoting frame senses a load on the towrope to activate and deactivate the motor.

Abstract: A method according to the invention of controlling a rotation speed of a motor of a speed-controllable hoist drive comprises receiving a lift speed instruction; forming a final speed instruction by using initial information containing the lift speed instruction; and using the final speed instruction as a speed instruction for the rotation speed of the motor of the speed-controllable hoist drive. The method further comprises monitoring a position derivative of an actual value of a cable force. The initial information for forming the final speed instruction comprises the position derivative of the actual value of the cable force.

Abstract: A motorized improved winch for raising and lowering, for example, theater scenery by means of cables and which incorporates a tubular support enclosure for supporting and housing a moving drum and the required components for emergency braking and for moving the drum in synchronization with relation to the cable guiding means, preferably mounted on the tubular support enclosure, and for driving the electrical sensors (limit switches and encoder) if desired. The winding and unwinding of the cables on or off the drum does not change the cable runs relative to the cable guiding means. The improved winch can be used in theaters and can be installed at the sides of the stage, up at the stage gridiron, or above the gridiron. With this improved winch counterweights are unnecessary. The improved winch is compact and can be easily manufactured.

Abstract: The present invention discloses a winch and an autonomous mobile apparatus including the winch. The winch can include: a driving motor; a drum driving axle configured to be rotated the driving motor; a wire drum configured to be rotated by the drum driving axle; a roller driving axle arranged to be parallel to the drum driving axle and configured to be rotated in different direction from that of the drum driving axle by the driving motor; a roller connected with the roller driving axle and configured to support a wire wound on or unwound from the wire drum; and a one way clutch installed in the roller driving axle in such a way that a driving force transferred to the roller by the roller driving axle is cut off when the wire drum rotates in a direction of winding the wire.

Abstract: A tool for deploying and re-stowing a flip axle of a trailer comprises an upright post and an arm wherein the vertical post has one end fitted into a receiver disposed into a hole in a bed of the trailer. The arm may be removable from the top of the post. The top of the post has a pulley with a cable groove and the arm also has a pulley with a cable groove wherein the grooves receive a cable from an onboard winch of the trailer. A hook at a free end of the cable is attached to a rear channel of the flip axle and is used to deploy the flip axle behind the trailer or re-stow the flip axle on the bed of the trailer.

Abstract: A motorized improved winch for raising and lowering, for example, theater scenery by means of cables and which incorporates a tubular support enclosure for supporting and housing a moving drum and the required components for driving, emergency braking and for moving the drum in synchronization with relation to the cable guiding means, preferably mounted on the tubular support enclosure, and for driving the electrical sensors if desired. A new feature of this improved winch includes alternate means for supporting the winch unit from the tubular support enclosure through rollers, mounted to the inside of the tubular support enclosure and engaging the support means part of the movable winch unit. Another new feature is an option to use more than one driving means for increased capacity. The improved winch can be installed at the sides of the stage, up at the stage gridiron, or above the gridiron.

Abstract: A crane, in particular a vehicle crane, includes a first crane arm and at least one second crane arm which are connected together by a joint. The crane arms are pivotable relative to each other by a drive having a piston-cylinder unit, in each case starting from one of the two end positions in which the crane arms are in substantially mutually parallel relationship until reaching a dead point when the longitudinal axis of the piston-cylinder unit is substantially on a line with the joint. There is provided at least one second drive by which it is possible to go beyond the dead point position of the piston-cylinder unit relative to the joint.