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1. WO2011058380 - DISPOSITIF PERMETTANT DE MESURER DES CHAÎNES DE MOUILLAGE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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Claims

1. A measuring device for measuring elongate members comprising, an attachment element configured to attach to a first part of an elongate member and a pair of arms each adapted to engage with respective second parts of the elongate member, wherein the attachment element is connected to a carriage, and wherein the arms are each mounted on and moveable with respect to the carriage, and wherein at least one measuring means is associated with the pair of arms, the measuring means being arranged to measure the distance moved by the arms relative to the carriage.

2. A measuring device according to Claim 1, comprising a measuring means associated with each of the pair of arms.

3. A measuring device according to Claim 1 or 2, wherein the measuring means includes a display configured to indicate the measured distance.

4. A measuring device according to Claim 3, further comprising a camera aligned with the display and wherein the field of view of the camera is configured such that the display falls within said field of view and the measured elongate member falls outwith the said field of view.

5. A measuring device according to any preceding claim, wherein the measuring means includes a vernier scale, and wherein one part of the vernier scale is attached to the carriage and one part to the arm.

6. A measuring device according to any preceding claim, wherein the measuring means includes an electronic sensor configured to generate an electronic signal representative of the distance moved by the arm relative to the carriage.

7. A measuring device according to Claim 7, further including a recording means

configured to receive and record the output of the sensor.

8. A measuring device according to any preceding claim, further including actuator means adapted to move each arm with respect to the carriage.

9. A measuring device according to Claim 8, wherein the actuator means includes a

hydraulic ram.

10. A measuring device according to Claim 8 or 9, wherein the actuator means includes individual actuators adapted to move a respective one of the arms with respect to the carriage.

11. A measuring device according to any preceding claim, wherein the arms are configured to selectively engage a part of the elongate element and to bring the attachment element into engagement with another part of the elongate element.

12. A measuring device according to any preceding claim, further comprising a caliper adapted to measure the thickness of a part of the elongate member.

13. A measuring device according to Claim 12, wherein the caliper is mounted on the

attachment element.

14. A measuring device according to Claim 12 or 13, wherein the caliper is provided with measuring means configured to measure the distance between arms of the caliper.

5. A measuring device according to any preceding claim, further comprising a positioning apparatus connectable to an ROV, the positioning apparatus including a first linkage adapted to control roll of the device and a second linkage adapted to control pitch of the device.

6. A measuring device according to any preceding claim, further including a docking camera, the field of view of the docking camera being configured to encompass a part of the elongate member to be measured when the device is in close proximity to the said elongate member.

17. A method of measuring an object comprising the steps of attaching a measuring device as claimed in any of Claims 1 to 16 to an elongate member and recording the output of the measuring means.

18. An ROV having attached thereto a measuring device as claimed in Claim 15 or 16.

A measuring device substantially as shown in and as described with reference to, the drawings.