Class / Patent application number | Description | Number of patent applications / Date published |
182008000 | Ladder-associated | 16 |
20090288913 | CLIMB-ASSIST DEVICE - A climbing assistance device having a connection assembly disposed at a predetermined location on the structure, a yoke attachable to a person, a counterweight connected to the yoke by a cable which passes through a pulley system, and a stabilizer operative to stabilize the counterweight to prevent rotation thereof. By employing the stabilizer, the counterweight remains stable during ascent and descent, and the load of the counterweight is controlled. | 11-26-2009 |
20100044151 | Ladder safety apparatus - A safety accessory for use with a ladder to slow the speed of an accidental fall of a worker, who works in an elevated position. The accessory has a C-shaped track member and a slide body that moves inside the track member. The worker's harness is secured to the slide body. Contact surfaces of the track member and the slide member are serrated to slow the speed of an accidental fall. A plurality of locking wedge members is positioned in the channel formed by the track member to further decrease the speed of an accidental fall. | 02-25-2010 |
20100219015 | CLIMB ASSIST SYSTEM - A motorized climb assist assembly is provided. The motorized climb assist assembly includes a looped belt, an attaching member, a motor assembly and a fall arrest system. The attaching member is coupled to the looped belt. A safety harness is in turn coupled to attaching member. The motor assembly includes a motor and a drive sheave. The motor has a drive shaft. The drive sheave is coupled to the drive shaft. In addition, the drive sheave is in contact with the looped belt. The fall arrest system is integrated with the drive sheave and is configured to limit the looped belt movement as the result of a fall event. | 09-02-2010 |
20100219016 | FALL ARREST ASSEMBLY - A fall arrest assembly that includes a rotational drum, at least one pawl and a catch is provided. The rotational drum is configured to rotate in response to a movement of a lifeline. The least one pawl is in rotational communication with the rotational drum. The at least one pawl is further configured to pivot about a pivot connection in response to select rotational velocities of the rotational drum. The at least one pawl is also configured to engage the catch when the at least one pawl pivots in response to the select rotational velocities of the rotational drum to stop the rotation of the rotational drum and movement of the lifeline. An elastic bushing for each pivot connection is also used. Each elastic bushing is positioned about an associated pivot connection of an associated pawl. The elastic bushings deform in shape as an associated pawl engages the at least one portion of the catch. | 09-02-2010 |
20110088969 | HEIGHT SAFETY SYSTEM - A height safety system is disclosed for use with an elevated work area including: an elongate member; first and second attachment means; the first attachment means is adapted to restrain the member in use at a lower region of the mast; the second attachment means is adapted to restrain the member in use at about the height of the elevated work area; and a fall restraint device which is adapted to be attached to the member in use at an upper region of the mast. | 04-21-2011 |
20110214940 | DEVICE OF ASSISTANCE FOR A USER OF A LADDER - In a ladder assistance device, a cable pulled by a controlled driving apparatus is laid in a loop along the height of the ladder, the user being attached to the cable by a lanyard, a sensor element detecting movements along the ladder, a control element controlling the driving apparatus. A remote control activates or deactivates assistance and allows user weight input, the remote control remaining in the reach of the user and including a stop button deactivating assistance and two activation buttons for activation of assistance, one each for “up”/“down”. A memory stores sets of control values for assistance level(s) for each direction of movement, corresponding to at most two levels in the steady state of the assistance. The program of the control element allowing: the selection that corresponds to the user weight, the activation which is only obtained by the activation buttons of the remote control. | 09-08-2011 |
20120080263 | Adjustable Hang Ladder with Fall Arresting and Cushioning Arrangement - An adjustable hang ladder includes a main ladder section and a hang ladder section secured to the main ladder section. The hang ladder section has a hang ladder insert pivotally secured to an attachment section and locked in place by a locking mechanism. The hang ladder section is provided with a fall arresting and damping arrangement designed for connection to a roofer using the ladder for providing a cushioning effect in the event the roofer falls from the ladder. | 04-05-2012 |
20120175186 | Tower Climbing Assist Device - A climb assist system is disclosed that dynamically adjust the rate and level of assist of a climber as the climber needs may change over the period of traverse of the ladder. A sensor detects the state of a person, such as the load exerted by the climber on a ladder exerts on an assist rope, to provide an upward support force on the climber to compensate the climber's weight. Additionally, a sender is provided to transmit the load data to a receiver and a receiver to receive the data from the sender. A controller interprets the received data and thereafter provides control through a controlled motor and drive to provide energy to the assist rope. | 07-12-2012 |
20120217090 | HARNESS WITH SUSPENSION RELIEF SEAT - A fall arrest system formed from a suspension seat supported by a plurality of shoulder straps coupled to an adjustable waist belt is disclosed. The suspension seat formed from a platform that is suspended beneath the adjustable waist belt such that the suspension seat is positioned generally vertically with straps. The shoulder straps include breakable connections. During a fall, the breakable connections break and the suspension seat falls into a horizontal position to support a person about which the fall arrest system is attached. During the fall, a self-extraction ladder may also be deployed. The fall arrest system may also include fabric layers attached to front and rear sides of shoulder straps. In addition, the side areas under a user's arms between the front and rear sides are open. | 08-30-2012 |
20120247869 | LADDER SAFETY APPARATUS - A safety ladder that protects a climber from a fall is disclosed. The device provides a ladder having a plurality of rails and rungs, one of the rails being an elongated channel having multiple flanges surrounding a passageway, a pair of the flanges defining there between a gap. A locking member is configured to travel upwardly in the passageway, the locking member having a beam, a cam section at one end portion of the beam and an eyelet that is positioned outside of the passageway. A cable connects a climber to the connector section. The cam section is specially configured and forms an anchor with the channel in a locking position when a climber pulls down on the cable and locking member. The rail or rails flanges form an acute angle with the rungs. | 10-04-2012 |
20130025969 | LADDER SAFETY KIT - The invention comprises a kit having tools attachable to a ladder to stabilize the same. The tools include a stabilizer tool attachable to the ladder and capable of circumscribing a vertical object to thereby stabilize the ladder. Additionally, there are provided extensions attachable to the stabilizer tool having clamps, movable to engagement of a building or the like by its gutters or other protuberances. | 01-31-2013 |
20140116803 | HOOK ELEVATOR SYSTEM FOR PROVIDING ASCENDING SUPPORT ALONG ANY NUMBER OF LOAD BEARING LIMBS - A hook elevator system, kit and method for assisting an individual in ascending a series of horizontally ascending tree limbs. One or more limb engaging hooks are provided along with a pole for elevating a given hook above the user's head in order to access a given limb. A rope extends from the hook to a harness worn by the user for enabling the user to winch up to the hook, such as from a ground location, with the hook being removed and elevated to a further ascending limb by the wearer once he/she has reached the support of the initial limb. Alternatively, additional hooks can provide additional flexibility in allowing the user to move from limb to limb, and which facilitates the user's ability to access an elevated and supported location of the tree for setting up a tree stand/platform. | 05-01-2014 |
20150360062 | Personal Positioning Strap System - A strap system to assist in supporting a person in a standing position and also to assist in a person's positioning and repositioning. Left and right straps can extend from the near waist, close to the hip on the left and the right side and terminate in hooks or clips for connection to the rungs of a ladder or other fixed component. At least one strap has a quick disconnect coupling and can have a breakaway coupling and can have a shock-absorbing portion. | 12-17-2015 |
20150368972 | DEVICE FOR ASSISTING IN THE RAISING AND/OR LOWERING OF A PERSON | 12-24-2015 |
20160047167 | MOBILE LIFELINE LADDER SYSTEM - A mobile lifeline ladder system is provided. The mobile lifeline ladder system includes a lifeline, a lifeline supply assembly, a rescue assembly and an anchor assembly. The lifeline has a first portion, a second portion and an intermediate portion that is positioned between the first portion and the second portion. The lifeline supply assembly contains the first portion of the lifeline. The lifeline supply assembly is configured and arranged to be coupled to a ladder. The rescue assembly contains the second portion of the lifeline. The rescue assembly is configured and arranged to be coupled to a first support structure. The rescue assembly includes a lifeline payout regulator to selectively payout the second portion of the lifeline. The anchor assembly is configured and arranged to be coupled to a second support structure above the ladder. The intermediate portion of the lifeline is slidably held by the anchor assembly. | 02-18-2016 |
20160184618 | Extraction System and Method - An extraction system and method. The system has a hoist assembly and a sled. The hoist assembly has two spaced apart rail connecting members configured to connect with rails of an end of a ladder. The hoist assembly also has a winch. The winch has a cable. The sled has frame, a platform connected to the frame, and a harness connecting a rider to the platform. The cable is releasably connected to the sled. The winch is operable to move the sled via the cable along the ladder from a lowered position to a raised position. | 06-30-2016 |