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| Number | Title | Issue Date |
| 7374153 | Dual braking device for a power winch A dual braking device for a power winch includes a first braking device and a second braking device, which is composed of a transmitting sleeve, a braking lining, an electromagnetic induction coil, a magnetic conduction member, and an elastic member. When the power ... | 05/20/2008 |
| 7303183 | Safety brake mechanism for a winding drum and method for grinding a safety brake The invention concerns a safety brake mechanism for the winding drum (8) of a hoisting machine that can be driven via a motor (4) with lifting gearbox (3), which is substantially braked to a standstill without jerking when the lowering speed is ... | 12/04/2007 |
| 7226039 | Hoist assembly for a motor vehicle spare tire The compact hoist assembly includes a housing having a molded plastic body sandwiched between parallel spaced metal plates, and an upper portion of the housing projects into an elongated mounting channel. The housing supports a rotary drive shaft which supports an a... | 06/05/2007 |
| 7226040 | Power supply winch system The power supply winch system comprises a generally inverted L-shaped supportive frame and a winch attached to the supportive frame. The supportive frame comprises a horizontal member and a vertical member that are pivotally attached to one another at one end. The h... | 06/05/2007 |
| 7226038 | Load arrestor, lifting system and method A load arrestor for use in conjunction with a primary lift, the load arrestor comprising a spool about which winds a safety line attached to a load supported at least in part by the primary lift, a lock mechanism comprising a lock plate connected to and rotatable wi... | 06/05/2007 |
| 7222697 | Elevator An elevator is described, comprising a first series connected pulley set installed in a fixing frame, a carriage located below the first series connected pulley set, a second series connected pulley set installed on the top of the carriage, a rotary wheel installed ... | 05/29/2007 |
| 7222700 | Roller disk brake for a winch A brake mechanism having a motor output shaft outputting a driving torque in a power-in and a power-out direction. A camming device operably couples the output shaft to a drive shaft for fixed rotation. A one-way clutch operably couples the drive shaft and a brake d... | 05/29/2007 |
| 7207288 | Fixing assemblies and methods Disclosed is an assembly for assisting in the attachment of an appliance such as a winch to a surface (e.g. deck) of a watercraft such as a sailing boat. Fixing screws are retained in apertures in the winch by retaining means such as lock washers. The assembly of th... | 04/24/2007 |
| 7165653 | Elevator gearless traction machine construction A flexible construction for an elevator gearless traction drive machine having a frame that is easily adaptable to traction sheaves of differing widths and diameters while providing the necessary stability for the drive components without an additional structure. Th... | 01/23/2007 |
| 7128307 | Manual marine winch with compound handle A manual swivel winch includes safe loading mechanism. The winch has a pair of spaced side plates, a rotating drum supported between the side plates, a drum gear coaxially mounted with the rotating drum, a pinion drive gear engaging and rotating the drum gear, and a... | 10/31/2006 |
| 7118095 | Lifting reel mounted on a tree stand A device is provided for lifting and lowering objects to and from a deployed tree stand by an occupant of the tree stand. The device has a clamp connectable to a rigid support member of the stand, a threaded shaft connected to the clamp, a reel mounted on the shaft,... | 10/10/2006 |
| 7090055 | Boat lift brake apparatus A boat lift braking system includes a threaded shaft driven by the boat lift motor. A torsion tube disposed about the shaft carries an interiorly threaded nut that interengages the peripheral threads of the shaft. A rotor is mounted to the nut adjacent a brake pad t... | 08/15/2006 |
| 7080719 | Wrap spring brake A winch with a wrap spring brake is provided. The winch includes a rotatable drum configured to wind and unwind a cable. The cable may be connected to a load to be moved. A shaft is coupled to the drum such that rotation of the shaft causes rotation of the drum, the... | 07/25/2006 |
| 7080825 | Chain motor drive control system An improved chain motor drive controller is provided for a chain hoist. The system employs a position encoder including a position sensor located within the casing of the chain hoist to producing encoded electrical position signals. A motor pulley is mounted on the ... | 07/25/2006 |
| 7080824 | Chain motor drive controller An improved chain motor drive controller is provided for a chain hoist. The system employs a position encoder including a position sensor located within the casing of the chain hoist to producing encoded electrical position signals. A motor pulley is mounted on the ... | 07/25/2006 |
| 6923394 | Reeling device for a hoisting system The invention provides a reeling device for a hoisting system, including a flexible member having a lower end and an upper end, a rotatable drum on which the flexible member is windable, disk means rotatably mounted on said drum, to which disk means the upper end of... | 08/02/2005 |
| 6883784 | Boat lift using one-way clutch A boat lift uses a one-way roller bearing in association with a friction disc clutch. A hand-wheel operator provides power input, though a motor may be substituted therefore. A gearing arrangement, a one-way roller bearing and friction clutch, a cable and cable reel... | 04/26/2005 |
| 6572083 | Winch with safe load release system A manual winch includes a housing supporting a rotatable reel, a ratchet assembly coupled to the reel movable between an engaged and disengaged position, and a load releasing system for moving the ratchet assembly system to a disengaged position. The ratc... | 06/03/2003 |
| 6547219 | Safety latch for a tire carrier and improvements therefor A winch assembly includes a winch coupled to a bracket, a carrier having first and second members, and a latch coupled to one of the bracket and the first member. A flexible member extends through apertures extending through the first and second members. ... | 04/15/2003 |
| 6520486 | Braking device for motive winch 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 t... | 02/18/2003 |
| 6446936 | Safety apparatus for horizontal lifeline A safety apparatus is capable of tensioning a horizontal lifeline while providing an adjustable shock absorber and a gauge or indicator for indicating the amount of tension on the lifeline. A housing is adapted to be secured to an anchor point through an ... | 09/10/2002 |
| 6149132 | Safety apparatus for horizontal lifeline A safety apparatus is capable of tensioning a horizontal lifeline while providing an adjustable shock absorber and a gauge or indicator for indicating the amount of tension on the lifeline. A housing is adapted to be secured to an anchor point through an ... | 11/21/2000 |
| 6102371 | Strap tensioning and collecting device A strap tensioning and collecting device disclosed has a variable length strap and a fixed length strap operatively associated with a strap storage section and a strap tensioning section. The strap storage section includes a spool housing and a spool in t... | 08/15/2000 |
| 6095500 | Winch device A winch device, comprising a drum for storing cable and the like, wherein the device disengageably couples the drum to a winch drum shaft driven by a high torque, low speed hydraulic motor or pump. The motor includes a housing suitable for mounting on a f... | 08/01/2000 |
| 6092790 | Safety latch for a tire carrier and improvements therefor A winch assembly is provided including a single mounting bracket for mounting the winch assembly directly to a frame (for example beams) of a vehicle having a front and rear. The mounting bracket has a winch mounting area provided therewith, and a tire ca... | 07/25/2000 |
| 6029951 | Control system for drawworks operations The system and method for use with a drawworks having a rotatable drum on which a line is wound, wherein the drawworks and the line are used for facilitating movement of a load suspended on the line, includes a drawworks control system for monitoring and ... | 02/29/2000 |
| 5971364 | Hoist and traction apparatus In order that an operating lever for a hoist and traction apparatus is combined as a unit to ensure the smooth operations so as to provide an improved workability with achieving a downsizing, a driving member of the hoist and traction apparatus is provide... | 10/26/1999 |
| 5957432 | Safety apparatus for horizontal lifeline A safety apparatus is capable of tensioning a horizontal lifeline while providing an adjustable shock absorber and a gauge or indicator for indicating the amount of tension on the lifeline. A housing is adapted to be secured to an anchor point through an ... | 09/28/1999 |
| 5944150 | Hoist gear with a brake A brake for a hoist gear is provided with a pair of brake shoes for braking a disk to be braked arranged on a winding drum side by pressing both sides of the disk. Floating pin fitting piece portions protrude integrally from a body of a bearing supporting... | 08/31/1999 |
| 5718411 | Anti-theft device for a spare tire carrier An anti-theft apparatus is disclosed for a spare tire lift-and-carry apparatus having intermeshing gears. The anti-theft apparatus includes a movable pin engageable with the intermeshing gears, such that when the pin is in a first position, movement of th... | 02/17/1998 |
| 5692733 | Winding machine stopping method A method of stopping of a winding machine that hoists and lowers an object prevents abrasion of the electromagnetic brake and the descent of load. The winding machine, which winches a load up or down in response to a torque command TREF to the ... | 12/02/1997 |
| 5664766 | Winch with reverse rotation protection A winch drum having a cable wrapped around a cylindrical surface of the drum and clamped to one end plate of the drum is modified by the addition of a member which inhibits reverse winding of the cable onto the drum. The member is attached to the clamped ... | 09/09/1997 |
| 5556078 | Manual hoist and traction machine A manual hoist and traction machine wherein an outer diameter of a first lining plate constituting a mechanical brake is made smaller than an inner diameter of a driven disc of a handwheel. The outer diameter of a second lining plate and of a driven disc ... | 09/17/1996 |
| 5429339 | Rope traction device A rope traction device used as a winding instrument for a moving scaffold and other construction, loading and unloading and conveying machines, includes a sheave which is rotated by a motor through a speed reduction gear and around which a part of a tract... | 07/04/1995 |
| 5402986 | Positive drive winch A winch for retrieving and releasing rope or cable that is attached to a boat hoist or the like in order to lift or lower a boat located on the hoist. The release of the boat hoist to lower the boat into the water or the like is thus carried out safely an... | 04/04/1995 |
| 5398923 | One-way winch brake A power operated drive shaft and brake assembly are coaxially mounted for rotation inside a cable drum which is coupled to the drive shaft through gearing. The brake assembly has an adapter housing and one-way clutch for drivingly connecting the drive sha... | 03/21/1995 |
| 5364074 | Latching winch suitable for flagpoles A latching winch comprises a spool having a drive pin offset from the axis and extending out from one side. A drive/latch assembly comprises a drive plate formed with an opening coaxial with the spool and carrying in the opening a bushing having internal ... | 11/15/1994 |
| 5344121 | Safety winch A winch, for example, for winding in and paying out a cable attached to a person in a hazardous situation, for example underground, comprises a pair of axles mounted on a frame, one of the axles carrying the cable drum for rotation therewith. Two safety b... | 09/06/1994 |
| 5340085 | Log lifting and supporting device A collapsible, portable, one person log lifting and supporting device is disclosed for use as a saw-aide to raise and support one end of the log for ease in sawing the log. The device includes an inverted substantially U-shaped frame, sized to encompass t... | 08/23/1994 |
| 5273257 | Apparatus for controlling movement of a tether in a conduit Apparatus for controlling movement of a tether in a conduit is disclosed, the apparatus being comprised of a winch, two braking systems, a pair of extensible stabilizer bars and a crossbar for engaging an opening. The winch is engine-driven and mounted on... | 12/28/1993 |
