Patents Examined by Juan J Campos
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Patent number: 11319196Abstract: An intermediate support holder includes right and left guy line retaining units, right and left intermediate support line retaining units, and a connecting unit. The intermediate portions of the guy lines can be attached to the guy line retaining units. The intermediate support line retaining units are disposed so as to be aligned in the right-left direction with respect to the guy line retaining units, and base end portions of the intermediate support lines can be attached to the intermediate support line retaining units. The connecting unit couples and fixes the pair of right and left guy line retaining units and the pair of right and left intermediate support line retaining units to each other.Type: GrantFiled: November 13, 2018Date of Patent: May 3, 2022Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventor: Daisuke Takaoka
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Patent number: 11319194Abstract: A pipelayer includes a frame, a plurality of ground engaging members movably supporting the frame, a prime mover, and a boom assembly and a counterbalance assembly supported on the frame. The boom assembly includes a boom. The counterbalance assembly including a counterweight, the counterweight being movably supported on the frame to counterbalance the boom assembly. The counterweight includes a battery box including at least one battery. A control strategy is also disclosed.Type: GrantFiled: November 19, 2019Date of Patent: May 3, 2022Assignee: Caterpillar Inc.Inventors: Codey R. Seaman, David D. Tallon
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Patent number: 11319021Abstract: A bicycle rear derailleur includes a base member, a chain guide, a movable member and a first link member. The base member is configured to be mounted to a bicycle frame at a frame mounting axis. The chain guide includes a first pulley rotatably arranged around a first pulley axis in a first pulley plane. The movable member pivotally supports the chain guide about a pivot axis. The first link member moves the chain guide between first and second lateral positions. The first lateral position is closer to a bicycle center plane. The first pulley plane intersects the first link member in a state where the chain guide is located at the second lateral position. The frame mounting axis is spaced from the pivot axis by a distance equal to or larger than eighty-nine millimeters when the chain guide is at the first lateral position.Type: GrantFiled: August 23, 2017Date of Patent: May 3, 2022Assignee: Shimano Inc.Inventors: Shouta Suyama, Atsuhiro Emura, Kenta Nakamura
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Patent number: 11319142Abstract: A cable carrying case, in one embodiment, includes a first halve and a second halve that are coupled together by a fastener. The first and second halves pivot between an open and a closed position around the fastener. The cable carrying case has a releasable support member that is configured to support the weight of a spool of cable. The spool of cable may rotate about the support member to dispense the cable from within the case through a slot.Type: GrantFiled: June 19, 2018Date of Patent: May 3, 2022Assignee: PPC BROADBAND, INC.Inventors: Carl Crossett, Cary Lynne Mullin, Jacqueline Busco, Brian Keith Hanson
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Patent number: 11305970Abstract: A method of upgrading a knuckle-boom crane to a heave-compensating crane includes: removing a knuckle-boom from a main boom; mounting a main boom extension to the main boom for increasing the length of the main boom; and mounting a heave-compensating boom at a far end of the main boom extension such that the heave-compensating boom extends in a downward vertical direction (Z) in operational use of the heave-compensating crane. The heave-compensating boom is configured to be pivotable with respect to the main boom extension in both horizontal directions (X, Y). A heave-compensation system is provided to the knuckle-boom crane, wherein the heave-compensation system compensates for horizontal variations by controlling the orientation of the heave-compensating boom relative to the main boom extension, and compensates for vertical variations by means of a further vertical heave-compensation system, such as a winch-based heave-compensation system.Type: GrantFiled: September 6, 2017Date of Patent: April 19, 2022Inventors: Yngvar Borøy, Thor Strand, Adrian Orasanu, Ricardo Nuno Correia
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Patent number: 11300181Abstract: Provided is a chain power transmission mechanism and a silent chain each having a simple configuration, easy to manufacture, and capable of reducing noise in the entire chain power transmission mechanism. Link plates of the silent chain include an inner-flank-engagement link plate which engages with a sprocket in an inner flank engagement mode and an outer-flank-engagement link plate which engages with the sprocket in an outer flank engagement mode. The inner-flank-engagement link plate and the outer-flank-engagement link plate are arranged such that combinations of the link plates at positions where engagement with and disengagement from a plurality of the sprockets are synchronized include a combination in which at least one of the link plates is different in engagement mode from another link plate.Type: GrantFiled: February 26, 2019Date of Patent: April 12, 2022Assignee: TSUBAKIMOTO CHAIN CO.Inventors: Kosuke Fujishima, Toshifumi Sato, Takeo Sasaki
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Patent number: 11279598Abstract: A portable derrick system for use in hoisting and lowering loads at a plurality of job sites, comprising, in combination: a boom subassembly, a boom head subassembly, a mast support subassembly, a mast head subassembly, a load-carrying line, a winch capable of cooperating with said line, power means for driving the winch, means for pivoting the boom assembly, means for controlling said pivoting means, the foregoing elements of the invention capable of being transported by humans to elevated positions such as, without limitation, rooftops and terraces, and wherein the aforementioned are capable of repeated assembly and disassembly at a plurality of job sites and serving to facilitate the elimination of the need for a street-level crane.Type: GrantFiled: April 3, 2020Date of Patent: March 22, 2022Assignee: Dun-Rite Hoisting LLCInventor: Michael Narcisco
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Patent number: 11268598Abstract: Provided is a tensioner capable of stabilizing an oil pressure in an oil pressurizing chamber. The tensioner includes a pressure adjustment unit. The pressure adjustment unit includes a unit case attached to the housing or the plunger, a moving member disposed in the case inner space to be capable of moving closer to and farther away from the oil pressurizing chamber, and a pressure adjustment biasing unit which biases the moving member toward the oil pressurizing chamber. A gap between an inner wall of the case inner space and the moving member is configured to be held in a liquid tight state at any position between a position where the moving member is closest to the oil pressurizing chamber as a result of moving and a position where the moving member is most distant from the oil pressurizing chamber.Type: GrantFiled: February 19, 2019Date of Patent: March 8, 2022Assignee: TSUBAKIMOTO CHAIN CO.Inventor: Masanori Watanabe
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Patent number: 11254548Abstract: The invention relates to a method of weathervaning a work machine in out-of-operation mode, in particular of weathervaning a revolving crane/revolving tower crane or a concrete spreader mast, wherein the work machine comprises at least one slewing part that is rotatable about a substantially vertical axis by means of a slewing gear, and wherein in a first step one or more wind data are measured by means of a measurement system arranged at the work machine; an optimum position of the slewing part is determined for an optimum weathervaning in dependence on the detected wind data; and the slewing gear drive is subsequently correspondingly actuated to bring the slewing part into the determined position.Type: GrantFiled: February 1, 2017Date of Patent: February 22, 2022Assignee: LIEBHERR-WERK BIBERACH GMBHInventor: Christoph Eiwan
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Patent number: 11247876Abstract: A mobile crane has an undercarriage, a superstructure arranged on the undercarriage, a slewing gear by which the superstructure may be rotated relative to the undercarriage, a slewing gear brake that acts on the slewing gear to brake a rotation of the superstructure, and a jib mounted on the superstructure as to be adjustable in luffing angle and/or in length. The mobile crane additionally contains a dolly coupling arranged on the jib and by which the jib is coupled to a mobile crane dolly during dolly travel with the superstructure in an extended position. The mobile crane further has a sensor interface for connecting a dolly coupling sensor, and a controller that is adapted to ascertain during dolly travel, in dependence on a signal received from the dolly coupling sensor, whether the jib rests on the mobile crane doll, and to activate the slewing gear brake if it does not.Type: GrantFiled: January 23, 2020Date of Patent: February 15, 2022Assignee: TADANO FAUN GmbHInventor: Peter Kleinhans
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Patent number: 11242910Abstract: A plate link chain for a continuously variable cone pulley transmission is disclosed. The plate link chain includes a first chain link, a second chain link, and a third chain link having plates and being connected to one another by joints having rocker pins. The rocker pins have end faces configured to transmit friction forces between the plate link chain and cone pulleys, wherein at least one of the plates has at least one overlapping tip. The first, second, and third chain links form a triplet and have different plate assemblies comprised of a first plate unit or a second plate unit, each of the chain links having at least one plate positioned transversely to a running direction of the plate link chain and are repeated in the running direction of the plate link chain.Type: GrantFiled: August 24, 2016Date of Patent: February 8, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Alaa Harmouch, Yudhi Lukito, Stephan Penner, Carsten Trautmann
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Patent number: 11235959Abstract: Hoists, platforms and davits are described as well as methods of securing same to telecommunication and other towers. The hoists, platforms and davits may be secured to the towers on a temporary basis using clamps. The clamps may include brackets and cables. The cables may be attached to the brackets, may wrap around the outer surface/perimeter of the tower pole/leg and may use tension to keep the bracket in place.Type: GrantFiled: February 8, 2021Date of Patent: February 1, 2022Assignee: MATT'S ARM, LLCInventor: James S. Mayfield
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Patent number: 11235961Abstract: A height adjustment assistance device includes an initial state determination part for determining whether a suspended cargo has been lifted from a ground at a start of lifting work, a height detection part for detecting a height of a counterweight from the ground, a storage part for storing an initial height, a calculation part for calculating a target value for correcting the height of the counterweight from the ground based on the initial height and a post-work height, a notification part for notifying an operator of information regarding the target value, and a length adjustment device for adjusting a length of a hanging member by operating in a manner to change the length of the hanging member extending from a tip of a mast to the counterweight.Type: GrantFiled: January 10, 2019Date of Patent: February 1, 2022Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hidehiro Awa, Takahiro Iwazawa, Jumpei Yamada
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Patent number: 11235957Abstract: In embodiments, motion may be arrested and/or dampened using a motion arresting and dampening device comprising a lifting spreader bar, one or more bar mounted winches, deployment wire, a restorative inflation device, restraining wires and winches, hoses and controller, mechanical connection release system circuitry. Multiple restraints from winches mounted strategically on a vessel crane's boom may be applied to the spreader bar to restrain the bar during the lifting operation. The forces induced into the lifted object by the movement of the crane as it deploys the object into installation position are attenuated by the physical restrain of the adjustable wires. These adjustable wires may also be used to provide rotation of the object during final alignment of the object during installation.Type: GrantFiled: July 10, 2020Date of Patent: February 1, 2022Assignee: Oceaneering International, Inc.Inventors: Eric H Galerne, Miles Roden, Nat Spencer
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Patent number: 11220414Abstract: A stabilizer leg arrangement with a stabilizer leg (25), which is extensible by a hydraulic cylinder (27) into a supporting position in contact with the ground. A piston (32) divides the internal space of the hydraulic cylinder into first and second chambers (34, 35), wherein these chambers are configured to come into fluid communication with each other through a flow channel (41) in the hydraulic cylinder when the piston reaches an advanced end position and abuts against a stop surface. An electronic control device (72) is configured to establish information as to whether or not the stabilizer leg is in the supporting position while taking into account a measuring value (V1) related to the hydraulic pressure in the first chamber (34). The invention also relates to a corresponding method and a mobile working machine comprising such a stabilizer leg arrangement.Type: GrantFiled: December 20, 2019Date of Patent: January 11, 2022Assignee: Hiab ABInventors: Erik Nylander, Mats Lindström, Lars Rydahl
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Patent number: 11208304Abstract: A limited rotation slewing ring crane may include a pedestal, a column rotatively coupled, about a first rotation axis, to the pedestal by a slewing ring rotative coupling, and stops for limiting the relative rotation of the column with respect to the pedestal. The crane may also include a rotative sensor adapted to measure a rotation angle of the column with respect to the pedestal. The rotation sensor may include a tubular body axially extending from the base of the column, a stationary body connected to the pedestal and a wheel. A second rotation axis of the wheel may be offset with respect to a first rotation axis of the column with respect to the pedestal.Type: GrantFiled: August 5, 2020Date of Patent: December 28, 2021Assignee: FASSI GRU S.P.A.Inventors: Rossano Ceresoli, Piantoni Giorgio
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Patent number: 11198596Abstract: The present invention addresses the problem of providing a crane that can ascertain the state of an area surrounding a hook or a cargo suspended on the hook and that can simultaneously ascertain a braking distance during stopping operations. The invention comprises: drive devices 31-34 that move a boom 7; a control apparatus 20 that controls the operation state of the drive devices 31-34; a camera 41 that photographs, from the distal end portion of the boom 7, an area below said portion; and image display devices 43 and 65 that display the image photographed by the camera 41. For the purpose of stopping the movement of the boom 7, the control apparatus 20 filters basic control signals S for the drive devices 31-34 to create filtered control signals Sf, controls the drive devices 31-34 on the basis of the filtered control signals Sf, estimates the braking distance for the boom 7, and displays the same on the image display devices 43 and 65.Type: GrantFiled: May 27, 2019Date of Patent: December 14, 2021Assignee: TADANO LTD.Inventors: Kazuma Mizuki, Hiroyuki Hayashi
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Patent number: 11192762Abstract: The present disclosure relates to a crane, in particular an offshore crane, having a slewing gear and a hydraulic slewing gear drive, wherein the slewing gear is held in its position via a holding torque applied by the hydraulic slewing gear drive, and wherein an overload safety device is provided having at least one detection means for detecting the outreach and/or the position of the crane hook and having at least one pressure relief valve, with the system pressure applied to the hydraulic slewing gear drive via at least one pressure relief valve can be regulated in dependence on the outreach and/or on the position of the crane hook.Type: GrantFiled: May 24, 2012Date of Patent: December 7, 2021Assignee: LIEBHERR-WERK NENZING GMBHInventors: Wilhelm Kraeutler, Eugen Schobesberger
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Patent number: 11180349Abstract: A crane vehicle includes: an operation unit; a winch device configured to operate at a speed corresponding to an operation amount of the operation unit; a weight detection unit; a storage unit configured to store a time-weight target characteristic indicating a target in temporal change of a detected value at the weight detection unit for a maximum operation amount input from the operation unit; and a control unit configured to perform feedback control of an operation speed of the winch device such that the detected value follows the time-weight target characteristic in a case where the maximum operation amount is input from the operation unit, the control unit being configured to set the operation speed of the winch device at the speed corresponding to the operation amount of the operation unit, in a case where fluctuation of the detected value has converged in a predetermined range.Type: GrantFiled: July 18, 2018Date of Patent: November 23, 2021Assignee: TADANO LTD.Inventor: Kazuo Mitani
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Patent number: 11180352Abstract: Provided is a crane with a main boom and a back mast, of which at least one comprises a first mast upper part comprising at least one mast section and a first mast lower part comprising at least one mast section, and a first mast tilting. The first mast tilting member is arranged between the first mast upper part and the first mast lower part, and has a straight hoisting state wherein the first mast upper part and the first mast lower part are essentially in line with each other, and a tilted hoisting state wherein the first mast upper part is tilted with respect to the first mast lower part.Type: GrantFiled: September 7, 2018Date of Patent: November 23, 2021Assignee: Mammoet Engineering B.V.Inventors: Pieter Maria Stoof, Wessel Helmens, Anton Adrian Joachim Van Den Broek