With Frictional Brake Assembly Mechanically Linked To, And Operationally Influenced By, Clutch Patents (Class 254/347)
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Patent number: 10875749Abstract: A winch including a drive motor, a cable drum, and a gear train assembly coupled to the drive motor and including a planetary gear set having a ring gear positioned in a gear train housing. The gear train housing including a radial clutch mount and an axial clutch mount. A clutch mechanism is selectively positionable at the radial clutch mount, in a first configuration, and the axial clutch mount, in a second configuration. The clutch mechanism is operable to selectively lock and unlock the ring gear to the gear train housing, thereby engaging and disengaging the cable drum from the gear train assembly.Type: GrantFiled: March 11, 2019Date of Patent: December 29, 2020Assignee: Westin Automotive Products, Inc.Inventors: Timothy Frazier, Ron Dennis, Brent Nasset
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Patent number: 10040673Abstract: A boat lift drive for connection to a winch having a winch shaft. The boat lift drive includes a power unit, a drive train engaged to and being driven by the power unit, and a drive shaft engaged to and being driven by the drive train. The drive shaft in turn is engaged to and drives the winch shaft. The drive train includes a seat with a frustoconical section and the drive shaft includes a head with a frustoconical section. The frustoconical sections are press fit into each other. This frustoconical engagement provides a great amount of torque for lifting boats.Type: GrantFiled: May 24, 2013Date of Patent: August 7, 2018Inventor: Nicholas A. Gargaro, III
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Patent number: 8485501Abstract: A wirelessly controlled apparatus for pulling a free end of wire into the mouth of a conduit and out of the destination end of the conduit. The apparatus includes a wireless spooling controller having an RF transceiver in cooperating communication with a spooling machine having an RF transceiver, for transmitting signaling activating or deactivating the motor-drive of the spooling machine, and for receiving wire-pull completion signaling from the spooling machine. The spooling machine includes a chock pivot-mounted at a mounted end to a frame anchoring the spooling machine near the destination end of the conduit, the chock engageable with a motor-driven gear-wheel engageable with a cogged spool-wheel driven by the motor-drive. Pivotal movement of the chock to the gear-wheel facilitates the fulcrumatic disengagement of the gear-wheel from the spool-wheel cogs, to ready the spooling machine in a starting configuration; activation of the motor-driven gear-wheel essentially causes unchocking of the gear-wheel.Type: GrantFiled: May 22, 2009Date of Patent: July 16, 2013Inventor: William E Hard
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Patent number: 8434742Abstract: The invention is directed to a gas powered self-contained winch comprising an external casing including a first side wall, a second side wall, a top wall, a bottom wall and a stabilizing bar. The invention includes a combustion engine; a transmission assembly, a gear assembly and a clutch assembly that connect to a spool capable of winding and unwinding a cable wire. A hand controller can communicate with the clutch assembly through a cable wire sufficient to control the winding and unwinding of the cable.Type: GrantFiled: March 8, 2010Date of Patent: May 7, 2013Assignee: Wizard Products, LLCInventors: Glenn Akhavein, Joel Chartier, M. Andrew Morrison
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Patent number: 8246010Abstract: A fluid shear actuated brake mechanism includes an outer hub secured to a hoist frame, a main brake disc stack engaged between the outer hub and a hoist drum shaft, an actuator hub helically engaged with the outer hub, and an actuator disc stack engaged between the actuator hub and the shaft. The main disc stack and the actuator disc stack are immersed in a fluid. Rotation of the shaft in a load lowering direction generates fluid shear in the actuator disc stack which rotates the actuator hub in a lowering direction and advances it toward the main disc stack, compressing it and the actuator disc stack. Rotation of the shaft in an opposite load lift direction retract the actuator hub from the main disc stack.Type: GrantFiled: August 13, 2009Date of Patent: August 21, 2012Inventor: Daniel L. Hess
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Patent number: 7896315Abstract: A control and regulation arrangement for protection of a conveyor or other hoisting or crane device that assures a safe reaction to overloading. A brake apparatus is provided that acts on the conveyor under control of an overload sensor. If the load approaches a predetermined threshold, a signal is emitted from the overload sensor and transmitted to a speed sensor that limits the conveyor speed. Simultaneously the control transmits a signal to the brake apparatus to actuate and stop the conveyor. Upon receipt of a subsequent signal that a load relief state is to be established, the control brakes the conveyor in accord with the speed signal such that the object in transport moves toward a safe position at a constant speed. A conveyor with multiple hoisting devices may include duplicate control and regulation arrangements for each hoisting device.Type: GrantFiled: December 19, 2006Date of Patent: March 1, 2011Assignee: Pintsch Bubenzer GmbHInventor: Dirk Faust
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Patent number: 7823864Abstract: The present invention discloses a plane braking device for electric winches and electric winch which disposes a section of hollow gear shaft, a section of core shaft, a fixing ring, a wedge shape support, a stopping piece, a braking plate, an elastic element, a wedge shape piece B, a wedge shape piece A, a braking clutch base and so on in a gear box of an electric winch. When a motor works, the section of core shaft of the motor drives the braking clutch base and the wedge shape pieces A, B to rotate, until a gap is formed between the adjacent braking plate and stopping piece between the braking clutch base and the wedge shape piece B, so that the braking effect disappears. When the motor stops suddenly, a heavy load lifted by a tight wire drum provides a reverse pulling force so that the wedge shape piece B produces a reverse thrust force to push the friction planes of the braking plate and the stopping piece, so the plane braking effect is achieved quickly.Type: GrantFiled: August 13, 2007Date of Patent: November 2, 2010Inventors: Yuzhi Xie, Kuo-hsiang Tsao
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Patent number: 7806386Abstract: A braking device for a winch comprises a braking bush, a brake driving shaft having one end connected to an output shaft of the motor and another end of the brake driving shaft having a first axial protrusion. A brake driven shaft defines an end rotatably disposed in the braking bush and having a second axial protrusion opposed to the first axial protrusion. A brake shoe is disposed between the first axial protrusion and the second axial protrusion. An elastic member is connected to the second axial protrusion and the brake shoe and normally urges the brake shoe toward the first axial protrusion. A winch having the braking device is also disclosed.Type: GrantFiled: December 29, 2008Date of Patent: October 5, 2010Assignee: T-Max (Hang Zhou) Industrial Co., Ltd.Inventors: Huizhong Yang, Zhaobo Qing
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Patent number: 7614609Abstract: A winch including a drum, a motor and a power transmission device. The power transmission device includes a casing and a planetary mechanism assembly having first and second planetary carriers rotatably disposed in the casing; first to third planetary gears rotatably supported on the first and second planetary carriers and engaged with the transmission gear; an annular gear fixed in the casing and engaged with the first to third planetary gears respectively; and a power output member having an input gear portion and an output gear portion, the input gear portion engages with the first to third planetary gears respectively, and the output gear portion engages with the inner drum gear portion of the drum. The winch achieves deceleration function with large speed ratio by a single stage planetary mechanism.Type: GrantFiled: December 29, 2008Date of Patent: November 10, 2009Assignee: T-Max (Hang Zhou) Industrial Co., Ltd.Inventors: Huizhong Yang, Zhaobo Qing
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Patent number: 7575223Abstract: An overload preventing apparatus of a hoist characterized in including a drive shaft 2 for driving a load sheave 1, a pressure receiving member 4 outwardly fitted to the drive shaft 2, a drive member 10 for transmitting a drive force from operating means 14 to the drive shaft 2 by way of the pressure receiving member 4, a rotation drive member 12 including means of transmitting the drive force from the operating means 14 to the drive member 10 and releasing an engagement with the drive portion 10 when the operating means 14 is applied with a torque equal to or larger than a predetermined torque value and an elastic member 13 mounted along an axial direction of the drive member between a back face of the rotation drive member 12 and an inner side end face of the operating means 14 to pose a problem that a belleville spring is obliged to be used as urging means, and therefore, a stroke in the axial direction of the urging means is small, also a height of an engaging claw becomes small in accordance with the strType: GrantFiled: March 2, 2006Date of Patent: August 18, 2009Assignee: Kito CorporationInventors: Desheng Xia, Koji Koyama
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Patent number: 7568559Abstract: A braking device for a power winch includes a reduction box disposed in the interior with a sectional shaft, an elastic member, a braking lining, a first engraved block, a second engraved block and a clutch base. The braking lining is an independent component assembled and positioned in the accommodating hollow of the reduction box. Only when the motor stops operating and the power winch carries out braking, may the braking lining cause wear, able to prolong the service life and elevate effect in use, and convenient in replacing.Type: GrantFiled: June 29, 2006Date of Patent: August 4, 2009Inventor: Shih Jyi Huang
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Publication number: 20080006805Abstract: A drawworks for drilling rigs having an improved dual brake system that divides the drill line load equally between the dual brakes, a more efficient braking action is realized by the provision of radial guide rollers positioned to urge the brake bands into concentric relation respective the brake drums which maximizes contact therebetween and results in more sensitive control of weight on bit. A chain and sprocket drive line includes flingers immersed in lub oil which effectively distributes lub oil throughout the drive line.Type: ApplicationFiled: June 16, 2006Publication date: January 10, 2008Inventor: Michael D. Hamilton
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Patent number: 6889958Abstract: A lift assembly having a drum rotatably mounted to a frame and linearly translatable with respect to the frame. A plurality of head blocks are connected to the frame along a helical mounting path, wherein linear translation of the drum during takeoff or take-up maintains a predetermined fleet angle between a take off point from the drum and the head block.Type: GrantFiled: October 21, 2003Date of Patent: May 10, 2005Inventor: Donald A. Hoffend, Jr.
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Patent number: 6686629Abstract: Disadvantages of the floating body of a SOI MOSFET are addressed by providing a pocket halo implant of indium beneath the gate and in the channel region of the semiconductor SOI layer of the MOSFET. Also provided is the method for fabricating the device.Type: GrantFiled: August 18, 1999Date of Patent: February 3, 2004Assignee: International Business Machines CorporationInventors: Fariborz Assaderaghi, Werner Rausch, Dominic Joseph Schepis, Ghavam G. Shahidi
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Patent number: 6520486Abstract: The present invention discloses a braking device for a motive winch, mainly having a sectional axle, an elastic member, two engraved chunks, and a clutch base in a retardation compartment of the motive winch; wherein said first engraved chunk is coupled to the sectional axle, having a braking plate being contacted with the frictional surface in the retardation compartment; the elastic member has an appropriate whirling force with respect to the first engraved chuck such that the braking plate of the first engraved chuck tends to press against the frictional surface of the retardation compartment; the second engraved trunk is coupled to the sectional axle and rotates synchronously, such that the first and second engraved chucks are capable of being attached to each other to push the brake plate of the first engraved trunk to generate the braking action on an inclined surface and the clutch base brings a protruded member to rotate, and the protruded members on the two engraved chunks is pushed by the protrudedType: GrantFiled: June 29, 2001Date of Patent: February 18, 2003Inventor: Shih Jyi Huang
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Patent number: 6291845Abstract: A field-effect transistor structure wherein a single patterned thin film semiconductor layer: is monocrystalline, and epitaxially matched to and dielectrically isolated from an underlying body region, in channel locations; and is polycrystalline in source/drain locations which abut said channel locations.Type: GrantFiled: August 24, 1999Date of Patent: September 18, 2001Assignee: STMicroelectronics, Inc.Inventor: Richard A. Blanchard
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Patent number: 5899441Abstract: In an electric chain hoist, there is a slipping clutch in the drive line which connects the electric motor to the chain sprocket, the slipping clutch acting as an overload safeguard. A holding brake is also provided to hold the drive line in the braked state when the motor is switched off. The brake exerts its braking action primarily on that part of the drive line which lies between the slipping clutch and the chain sprocket. To prevent the slipping clutch from entering the slipping state when the motor is switched on before the brake has been released to a sufficient extent, the brake is designed in such a way that it acts on both parts of the drive line.Type: GrantFiled: February 27, 1996Date of Patent: May 4, 1999Assignees: R. Stahl Fordertechnik GmbH, KCI Konecranes International PLCInventors: Ismo Kuivamaki, Helmut Noller
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Patent number: 5141085Abstract: The invention involves a hoist for raising and lower loads. The hoist includes a drive motor, gearing, a load brake and a cable-winding drum. The drum has an end with a splined annular member slidably engaging a similar splined annular member of a drum-concentric friction plate. The friction plate directly drives the drum during load raising and directly brakes the drum during load lowering. Because of the direct mechanical coupling between the drum and the friction plate, a failure in the gearing does not impair the ability of the friction plate to brake the load. Further details of the invention are set forth in the specification.Type: GrantFiled: November 5, 1990Date of Patent: August 25, 1992Assignee: Harnischfeger CorporationInventor: Stephen J. McCormick
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Patent number: 4690379Abstract: An electric chain block includes a driving shaft connected to a rotating shaft of an electric motor, and a driving gear provided on the driving shaft, and further includes an intermediate driven gear in mesh with the driving gear, a torque limiter and a mechanical brake assembly between the driving shaft and a load sheave.Type: GrantFiled: February 26, 1986Date of Patent: September 1, 1987Assignee: Kabushiki Kaisha KitoInventor: Takayoshi Nakamura
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Patent number: 4545567Abstract: A winch is powered by a motor mounted at one end of a drum through a three-stage planetary drive train disposed adjacent the opposite end of the drum. The motor includes a first drive shaft which extends axially into the interior of the drum. The drive train includes a second drive shaft which extends axially into the interior of the drum toward the motor. A brake-clutch assembly is disposed within the interior of the drum and operably interconnects the first drive shaft and the second drive shaft. The brake-clutch assembly operates automatically in response to the direction of the torque being transmitted between the first drive shaft and the second drive shaft. In operation, the brake-clutch assembly permits the second drive shaft to rotate relative to and power the drum to reel in the load on the cable and then frictionally locks the second drive shaft to the inside diameter of the drum to hold the load on the cable when the motor is stopped.Type: GrantFiled: April 19, 1984Date of Patent: October 8, 1985Assignee: Warn Industries, Inc.Inventors: Thomas M. Telford, James W. Haase
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Patent number: 4461460Abstract: A winch (10) is powdered by a motor (20) mounted at one end of a drum (12) through a three-stage planetary drive train (26) disposed adjacent the opposite end of the drum (12 ). The drive train (26) includes elongate drive shaft (25) which extends longitudinally through the interior of the drum (12) toward the motor (20). A brake-clutch assembly (24), disposed within the interior of the drum (12) operably interconnects motor (20) and drive shaft (25). The brake-clutch assembly (24) automatically operates in response to the magnitude and direction of the torque being transmitted between motor (20) and drive shaft (25). In operation, the brake-clutch assembly (24) permits the drive shaft (25) to rotate relative to and power the drum (12) to reel in the loaded drum cable and then frictionally locks the drive shaft (25) to the inside diameter of the drum (12) to hold the load on the drum cable when motor (20 ) is stopped.Type: GrantFiled: August 10, 1982Date of Patent: July 24, 1984Assignee: Warn Industries, Inc.Inventor: Thomas M. Telford
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Patent number: 4447044Abstract: A control system for one or more hydraulically driven crane winch drums each having a hydraulically actuated clutch and a brake. Included is a negative braking mechanism having a brake cylinder of the single-acting, spring-return type for normally holding the brake applied by the force of the spring and releasing the brake on fluid pressure actuation. A mode selector valve selectively delivers hydraulic fluid under pressure from two separate sources to the clutch and the brake cylinder in order to condition the winch for a selected one of winching, brake-locking, and free-fall modes. The mode selector valve causes the negative braking mechanism to release the brake in the free-fall mode, so that a positive braking mechanism is also provided to permit the operator to arrest the free fall of the load, or the free running-out of the cable, in an exact position desired.Type: GrantFiled: May 26, 1981Date of Patent: May 8, 1984Assignee: Kabushiki Kaisha Komatsu SeisakushoInventor: Minoru Nakata
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Patent number: 4344587Abstract: The present invention relates to an automatic motorized fishing reel which includes a frame and a spool rotatably coupled thereto for receiving and storing fishing line thereon. An electrical motor is coupled to the frame for rotating the spool in a direction for winding the fishing line onto the spool. The motor also induces a drag upon the rotation of the spool while the spool is unwinding. A clutch is operably interposed between the spool and the electrical motor for enabling the spool, when in a first condition, to rotate in the direction for unwinding the fishing line therefrom. When in a second condition the clutch provides positive engaging connection between the spool and the electrical motor for producing mutual corresponding rotation therebetween. The clutch switches between the first and second conditions responsive to a substantial torque differential exerted between the spool and the electrical motor.Type: GrantFiled: August 14, 1979Date of Patent: August 17, 1982Inventor: W. C. Hildreth