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Document |
Document Title |
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8087498 |
High power/weight ratio braking device based on shape memory material technology
The braking device is provided a set of shape memory alloy activators positioned, in an agonistic-antagonistic configuration on each side of a brake lever. Braking and releasing phases are dictated...
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7637213 |
Universal brake assembly
A system comprising a cable held in suspension and a trolley traveling along the cable. The trolley may include a brake pad positioned to contact the cable. The brake pad may include a plurality of...
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7533871 |
Rope control apparatus
Embodiments of the invention provide a simple and convenient way to ascend and descend a rope without using a belayer. Embodiments of the invention can smoothly transition from a rope clamping...
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7080717 |
Emergency brake apparatus of elevator
In an elevator emergency braking apparatus, a braking device main body has a main body braking surface facing a main rope and positioned at a first side of a main rope array, and a tapered surface...
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6966407 |
Escape-Right
The Escape-Right is an emergency escape system comprising: a passenger harness, a cable, a reel, a shaft fixed to the reel permitting rotation of the reel as the cable is unrolled, a reduction gear...
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6948586 |
Quick release rappel device
A rappel device is used in rapidly descending from a height using a rope and then quickly disengaging from the rope. The rappel device comprises a body having a rim which defines a rope opening...
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6902031 |
Personal safety device for a vertical rope
A safety device (100) includes a base (110), a handle (120) pivotally mounted on the base, a cleat (130) pivotally mounted on the base, and a cover (140) pivotally mounted on the base. A rope (99)...
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6568511 |
Adjustable lifting sling
An adjustable lifting sling including a stationary support with hanger means, one or more cam surfaces pivotally mounted to the support, a ratable locking arm having one or more corresponding...
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6240974 |
Apparatus for controlling the tension of catch selvage yarn in a weaving loom
The tension of catch selvage yarns reeling off a yarn supply spool is kept constant by applying a braking force to the supply spool by a disk brake. The brake has a brake disk (12) rotating with...
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6059072 |
Abseil rescue system
An abseil rescue system, comprising: a velocity control system with two brakes and two retarders; a rope winder with a rope; and a frame, having a base and a gallows with two height positions. The...
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5873432 |
Abseil rescue system with velocity control system
An abseil rescue system with a velocity control system, allowing a user to descend on a rope, comprising two holders, two brakes, two retarders, and a frame. The retarder and the brake grip the...
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5799753 |
Anti-fall security apparatus
A fall-arresting apparatus comprising a pair of connected spaced-apart shell with a flange and pulley rotatably mounted thereto via a common shaft. The flange being movable between two operative...
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5655269 |
Adjustable clamping device
An adjustable clamping device for receiving and selectively frictionally engaging an internally disposed inserted member, such as a rope or rod, is disclosed. The clamping device comprises a...
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4729454 |
Self-braking safety apparatus for the rapid descent of persons in cases of emergency
A self-braking apparatus is provided for cases of emergency in which a rapid descent of persons threatened by fire or danger is required on the outside of buildings or the like. The apparatus can...
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4671494 |
Excessive load prevention apparatus employable for a hoist or the like
An overload prevention apparatus includes a geared member with a number of teeth formed thereon, an engagement member including an engagement portion of which dimensions are determined so as to...
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4396095 |
Lift line tension limiter
A lift line tension limiter is provided which includes a lift line and a tainer which is adapted to contain the lift line. The container has a lift end and a payload end, the payload end having an...
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4394992 |
Energy absorber for load carrying flexible pulling means
Energy absorber for load carrying flexible pulling means, such as belts or ropes, especially for a safety belt system comprising (a) a rigid body (b) a storing element for the pulling means at the...
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4387790 |
Webbing locking device
A webbing locking device for clamping the intermediate portion of an occupant restraining portion by means of a pair of friction members provided on a frame and a lock lever, respectively, in an...
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4355441 |
Rope-lock
A rope lock intended for preventing a rope (13) inserted therein from being moved in a certain direction therethrough by a pulling force in the rope. The lock is primarily intended for use as a...
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4135628 |
Hoisting apparatus with improved anti-sway system
A movable hoisting apparatus having a pair of spaced apart legs with each leg having two substantially vertical columns, beams extending between the forward columns and the rear columns of each...
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4083438 |
Escape device
The present invention relates to a descent or escape device which can be used in a safe and easy manner as a means of emergency escape upon occurrence of a fire in hotels and other buildings, and...
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4054188 |
Rope stop and holding device
Apparatus for stopping and holding a rope is disclosed. The apparatus includes a power drum, a wind up mechanism having two small drums and an air operated chain drive system between the power drum...
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4010948 |
Pull type friction exercising device
The exercising device has a housing which is attached to a stationary surface. A cord which has a hand grip on its free end can be pulled out of the housing against the adjustable internal...
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3946989 |
Slow descender including fluid and mechanical braking devices
A slow descender includes a rope pulley and a braking apparatus which restricts the rotation speed of the rope pulley. The braking apparatus includes a mechanical braking device containing a...
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3779347 |
CABLE CATCHER
A device for catching a cable, e.g., a downhole oil well pump power cable, to prevent reverse motion of said cable. The device catches the cable in a pair of wedge-type slips, preventing the cable...
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3682276 |
ROPE BRAKE
For use in assisting a mountain climber, a tree climber or the like to descend a rope, there is provided a mechanical coupling comprising back-to-back tubular members through which lengths of the...
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3532189 |
ADJUSTABLE BRAKE APPARATUS FOR FLEXIBLE MATERIAL
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3465531 |
SUBSEA BRAKING SYSTEM
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3437178 |
ROPE CLAMP
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3357520 |
Strand brake for load lowering assembly
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2938678 |
Power line stringing brake
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2821266 |
Cord operated mechanism
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