Matches 1 - 50 out of 114 1 2 3 >


Match Document Document Title
8733739 Device that integrates an ascender with a pulley block  
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...
8596615 Lifting or locking system and method  
A lifting mechanism or locking mechanism includes a housing, an axle attached to the housing, and an element including a cam surface mounted for rotation on the axle. The distance between the cam...
8556234 Single cable descent control device  
A single cable descent control device comprises a pair of rotors with corresponding frames of conductive material mounted on a common central axle on either side of a drive pulley. The pulley is...
8424847 Passive marine equipment recovery device  
A system for retrieving a device from the bottom of a body of water includes a clamp configured to be slidably affixed to the device above the water bottom. The clamp has a selectively engageable...
8333357 Adjustable length lanyard  
An adjustment assembly to quickly and efficiently adjust the length of a lanyard used in conjunction with aircraft umbilical connector release mechanisms. The lanyard cable includes at least two...
RE42862 Hook seat tightening structure for ship covers  
A hook seat tightening structure for ship covers comprises a body constituted by a seat and a housing, wherein two rollers, one turntable, one wheel, one lock bolt, and one lock member are located...
7845467 Multifunctional belaying device for a rope  
A belaying device for a rope comprises a cam able to rotate between a securing position corresponding to securing the rope by jamming effect against the stud and a separated position allowing the...
7823259 Fast looping-up and releasing rope loop assembly  
A fast looping-up and releasing rope loop assembly includes two one-way locking devices, at least one band, and a buckle. The one-way locking device includes a body constituted by a base and a...
7736254 Compact cable tension tender device  
A compact cable tension tender device includes a movable member having a first stop and a second stop spaced apart from the first stop. A first attachment may be provided on the moveable member...
7658264 Combination descender, pulley and force limiting rope brake  
A combination descender, pulley, and force limiting rope brake for rope rescue has a supporting plate having a one-way pulley sheave rotatably mounted thereto for free-wheeling rotation of the...
7562862 Tensioning assembly  
A tensioning assembly comprising a housing having a first sidewall and a second sidewall, and a ratchet mechanism disposed between the first sidewall and the second sidewall. The ratchet mechanism...
7537199 Ratchet pulley device for tightening cords or ropes  
A ratcheting pulley device is shown and described. In one embodiment, the device includes a sheave rotatably mounted in a housing. The housing defines an opening for ingress and egress of a rope...
7513207 Gating for cleats  
A cleat assembly comprising two wall-defining members 12, 14 between which an elongate element to be gripped can be inserted and a gate 40, 42. Each wall-defining member defines at least one ridge...
7467783 Tensioning apparatus and method  
A system and method for tensioning a cable. A thimble is placed over an eccentric member having a splined bore. A portion of an endless cable is placed over the thimble. The eccentric member and...
7445195 Pulley  
A pulley includes a tensioning device and a ratchet device disposed in the tensioning device. The tensioning device includes a first shell, a second shell installed to the first shell, and a first...
7437782 Load sensing safety device for vertical lift  
A load sensing safety device comprises a pulley shaft carrying a pulley. The pulley, in turn, carries a belt that effectuates movement of the patient lift boom. A biasing element applies a spring...
7419138 Self-camming pulley  
A pulley is provided having a first plate and a second plate arranged adjacent to the first plate and connected to the first plate by an axle. An eccentrically mounted sheave is located between...
7380771 Protective lifting system for outdoor use  
A protective lifting system includes first and second mounting hooks each having, respectively, a line and pulley connection eyelet ring mounted thereon and a mounting bar connection eyelet ring...
7234686 Fail-safe cleat with automatic in-line locking cam and quick-release slot  
A failsafe device for raising/lowering articles includes a frame and a fastener for attaching the frame to a ceiling or wall to elevated an article above the floor. A pulley or sheave is mounted...
7226043 Stable fail-safe cleat with automatic in-line locking cam  
A failsafe stable cleat with automatic in-line line-locking includes a frame having proximate and a remote sides on substantially opposite sides of the frame and formed with a passageway,...
7222840 Rope-guiding device  
A rope-guide device suitable for marine use as a crab-pot puller, an anchor puller, a shrimp-pot hauler, and the like includes an arcuate, side-entry slot running the entire vertical length of its...
7111572 Hook seat tightening structure for ship covers  
A hook seat tightening structure for ship covers comprises a body constituted by a seat and a housing, wherein two rollers, one turntable, one wheel, one lock bolt, and one lock member are located...
6776396 Hoisting device for an elevator  
In a hoisting device for an elevator, a driving motor is made cylindrical, and a brake system is accommodated radially inwardly of the driving motor. The driving motor and the brake system overlap...
6742770 Fail-safe device for raising/lowering articles  
A failsafe device for raising/lowering articles includes a frame and a fastener for attaching the frame to a ceiling or wall to elevated an article above the floor. A pulley or sheave is mounted...
6698723 Ratchet tie down device with integral security lock  
A tie down device having a pulley incorporating a ratchet and a security lock. The tie down device has a housing which encloses a pulley over which is reeved a plastic jacketed metallic stranded...
6601829 Pulley system with gripping block and tackle for load handling  
An improved block and tackle system comprising a stationary-block housing (10) having attached pulleys (14 & 18) and cam cleat (22), and a moving-block housing (12) with attached pulley (16) and...
6234454 Failsafe device for raising/lowering articles  
A failsafe device for raising/lowering articles includes a frame and a fastener for attaching the frame to a ceiling or wall to elevate an article above the floor. A pulley or sheave is mounted on...
6223868 Brake mechanism for device for hauling up/down by rope  
A brake mechanism for a device for hauling up/down by rope, in particular one for the safe hauling up and down by rope of persons and loads. The device has a pulley which preferably has a back...
6189867 Load-handling device  
A load-handling device comprising a pair of pulley assemblies each having a body, at least one pulley supported by the body, and having a peripheral outer surface, a rope secured at one end to a...
6182946 Tree stand hoist assembly and casing therefor having identical mating halves  
A hoist assembly includes a casing, a pulley mechanism and a latch mechanism. The casing has a pair of identical mating front and rear casing halves. The casing has an aperture formed therethrough...
6092791 Ratchet with journaled spool  
A ratchet for use with a cord includes a pair of opposed tear drop shaped members defining a one piece housing for rotatably supporting a one piece ratchet spool, for supporting a pivotally...
6068242 Unitary, ridged and ratcheted pulley block  
A ratchet for use with a cord includes a pair of opposed tear drop shaped members defining a one piece housing for rotatably supporting a one piece ratchet spool, a pivotally mounting a thumb...
5868380 Pulley block with spring-biased selectively operable ratchet  
A pulley block or sheave includes a pulley (3), a mounting frame (2) for the pulley and in which the pulley is rotatable, and a ratchet wheel (11) rotatable with the pulley and including ratchet...
5860493 Fall preventing mechanism for safety lines  
A principal guide-plate (12a) is bent adjacent a first edge (13a) to define a retention groove (9) extending along an axis (y,y'). A secondary guide-plate (12b) is mounted parallel to the...
5845894 Pulley with a pivoting flange and built-in jammer  
A pulley comprises a pair of flanges, a rotary roller mounted on a first spindle, and a second flange which oscillates on the first spindle. A jammer is incorporated inside the pulley and...
5845893 Underwater self-aligning fairlead latch device for mooring a structure at sea  
An underwater self-aligning fairlead latch device is provided for guiding and securing an anchor chain between an offshore structure and an anchor. The fairlead device includes a latch housing...
5784979 Adjustable load automatic releasing cleat  
An adjustable load automatic releasing cleat for automatically releasing a rope or line at a predetermined tension load range. A rolling member (26) positioned adjacent to a cam member (30),...
5778539 Device for hand tools attached to a pole  
The invention relates to a pull grip which can be attached to any place on a pull rope in order to operate the cutting tools via the pull rope in a convenient position which is ergonometrically...
5738339 Rope traction device with connected locking units  
A rope traction device has locking units that include a sheave on which a traction rope is wound. The rope traction device is adapted to be moved along with the traction rope and includes a...
5735507 Safety system for hoist apparatus  
Safety system for hoist apparatus, used with all types of cranes employing a flexible element for the handling of a load, the device preventing the free fall of the load in the event of a flexible...
5649729 Single line grab system  
A single line grab system including a grab suspended by a single line from a carrier. A head assembly is connected to the grab from above the grab and is vertically movable with respect thereto. A...
5638919 Anti-fall device automatically lockable on a safety rope  
The invention relates to an anti-fall device automatically lockable on a safety rope, wherein the two cheeks of the gutter comprise a blind notch in L form, opening out on the edge of the...
5615865 Automatically engaging and disengaging pawl and pulley lifting mechanism  
A pulley is mounted in a surrounding hanging housing, open at the base end thereof and a cable is entrained over the pulley. The cable is provided with a pull means at one end the other end...
5568970 Apparatus for moving an ornament and drive means therefor  
The invention provides in a first aspect a novel synchronous motor in which the rotor comprises a substantially solid multi-pole magnet axially displaced from the coil which, itself, is of...
5538223 Single line multiple purchase block and tackle system  
A block and tackle system having two different purchases is operated from a single line. The system includes a primary purchase system and a secondary system having a higher purchase than the...
5387186 Self-standing traction apparatus  
Traction apparatus for treating vertebral problems comprising a tripod type self-standing support having a block and tackle unit suspended from the tripod apex. The lower block includes a T-bar...
5368281 Ratchet pulley for tightening cords or ropes  
A ratchet-type tensioning mechanism for a rope or cord has a rotatable sheave with faces having radially extending serrations. A releasable ratchet mechanism permits rotation of the sheave in one...
5257891 Bi-planar cable cross reeving system  
A crane and lift apparatus for controlling the lifting and lowering of large cargo containers. A trolley assembly includes a hoist drum from which is suspended a system of cable or rope reevings...
5146775 Chain liner  
A chain liner for guiding a chain through a passage, the liner including a pair of brackets mounted in a parallel spaced relation, a chain sprocket mounted on a shaft at each end of the bracket, a...
5123131 Ceiling mounted patient standing assistance apparatus  
An invalid assistance device mounted on a ceiling is which a supported locked and guided flexible line is used to stabilize an invalid in the range of desired vertical positions from sitting to...

Matches 1 - 50 out of 114 1 2 3 >