# US 2014/0196985 A1 · Fall arrest safety apparatus on a rope with clamping function

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- Number: US 2014/0196985 A1
- Document ID: US20140196985A1
- Status: Published application
- Kind: A1
- Application number: 14/154,921
- Filed: 2014-01-14
- Published: 2014-07-17
- Earliest claimed: 2013-01-15
- Assignees: Zedel
- Applicants: Zedel
- Inventors: Julien MOINE; Michael CHAUMONTET
- Web page: https://patentgrep.com/patent/US20140196985A1

## CPC

- A62B 35/0081: {Equipment which can travel along the length of a lifeline, e.g. travelers}
- A62B 1/14: with brakes sliding on the rope
- A63B 29/02: Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
- A62B: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING (valves specially adapted for medical use A61M39/00; life-saving devices, apparatus or methods specially adapted for use in water B63C9/00; divers' equipment B63C11/00; specially adopted for use with aircraft, e.g. parachutes, ejector seats, {B64D17/00, B64D25/10}; rescue devices peculiar to mining E21F11/00)
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

A fall arrest safety apparatus on a rope comprising a rotary roller mounted on a pivoting arm with speed detection, and a control selector of a ratchet. The latter is able to occupy a released inactive position enabling the roller to rotate in both directions of rotation in a first fall arrest operating mode, and an active position with unidirectional blocking of the roller in rotation with respect to the arm in the descending direction corresponding to a second operating mode of the apparatus as a simple ascender.

## Claims

### Claim 1

A fall arrest safety apparatus on a rope, comprising:
a rigid body provided with a trunking for housing the rope,
a securing system with a rotary roller with detection of the speed of rotation, said roller being fitted on a mobile arm able to be moved between a blocking position of the rope in the event of a fall and a released position,
comprising a control selector of a ratchet able to occupy an inactive releasing position enabling the roller to rotate in both directions of rotation in a first fall arrest operating mode, and an active position with unidirectional blocking of the roller in rotation with respect to said arm in the descending direction, corresponding to a second operating mode of the apparatus as a simple ascender.

### Claim 2 (depends on 1)

The safety apparatus according to claim 1, wherein the ratchet is mounted swivelling around a pivot-pin integral to said arm and comprises a stop, at one of its ends designed to engage in at least one notch of the roller in the blocking position.

### Claim 3 (depends on 2)

The safety apparatus according to claim 2, wherein a compression spring acts on the other end of the ratchet to secure it in stable manner in each of the active and inactive positions.

### Claim 4 (depends on 2)

The safety apparatus according to claim 2, wherein the selector comprises a button salient from an opening arranged in one of the arms, said button being able to be moved in translation between two positions respectively corresponding to fall arrest mode and to ascender mode.

### Claim 5 (depends on 4)

The safety apparatus according to claim 4, wherein the button of the selector is associated with transmission means collaborating with a wedge forming a hang-up point when the button is in an intermediate position.

### Claim 6 (depends on 2)

The safety apparatus according to claim 2, wherein each notch is shaped to enable free rotation of the roller in the ascending direction in the blocked position of the ratchet.