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1. WO2020089606 - SYSTÈMES D'ASCENSEUR, MÉCANISMES D'ENTRAÎNEMENT D'ASCENSEUR, COUPE-FEU ET SYSTÈMES DE SÉCURITÉ

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. An elevator system including:

an elevator drive mechanism and an elevator car, the elevator car moving with the elevator drive mechanism and the elevator drive mechanism driving movement of the elevator drive mechanism and the elevator car; and

a flexible coupling arrangement between the elevator drive mechanism and the elevator car, the flexible coupling arrangement permitting a limited range of at least one of lateral and vertical movement of the elevator car with respect to the elevator drive mechanism so as to provide at least partial vibration isolation between the elevator drive mechanism and the elevator car.

2. An elevator system according to claim 1 , wherein the flexible coupling arrangement includes one or more straps.

3. An elevator system according to claim 2, wherein the or each strap is an endless loop.

4. An elevator system according to claim 2 or 3, wherein the or each strap is arranged in a diagonal configuration.

5. An elevator system according to claim 4, wherein there are two straps arranged in a crossed diagonal configuration.

6. An elevator system according to any of claims 2 to 5, wherein the or each strap is mounted around a pin of the elevator drive mechanism and a pin of the elevator car.

7. An elevator system according to any of claims 2 to 6, wherein the or each strap is a fabric strap.

8. An elevator system according to claim 7, wherein the or each fabric strap is formed from nylon webbing material.

9. An elevator system according to any preceding claim, further including a second flexible coupling arrangement.

10. An elevator system according to claim 9, wherein the two flexible coupling arrangements are parallel with each other.

11 . An elevator system according to any preceding claim, wherein the elevator drive mechanism includes at least part of a rack and pinion drive system to move the elevator drive mechanism and elevator car.

12. An elevator system according to claim 1 1 , wherein the elevator system is a hoistway-less system.

13. An elevator system according to any preceding claim, wherein the elevator drive mechanism includes a battery to power movement of the elevator drive mechanism and elevator car, the battery moving with the elevator drive mechanism and elevator car.

14. An elevator drive mechanism for use with an elevator system, the elevator drive mechanism including:

a first pinion member to engage a first rack member;

a second pinion member to engage a second rack member;

a drive train configured to drive rotation of the first and second pinion members with respect to the first and second rack members, respectively;

a first guide member associated with the first pinion member; and

a second guide member associated with the second pinion member, wherein the first and second guide members are adjustable so as to permit alteration of the position of the first pinion member with respect to the second pinion member, the drive train remaining configured to drive rotation of the first and second pinion members with the first and second pinion members in an original relative position and in a new relative position.

15. An elevator drive mechanism according to claim 15, wherein the drive train includes:

a first gear box having a first input shaft and a first output shaft, the first output shaft being mechanically coupled to drive rotation of the first pinion member;

a second gear box having a second input shaft and a second output shaft, the second output shaft being mechanically coupled to drive rotation of the second pinion member; and

a first elevator drive motor configured to drive rotation of the first and/or second input shaft.

16. An elevator drive mechanism according to claim 15, wherein the first and second pinion members are located on opposing sides of the elevator drive mechanism.

17. An elevator drive mechanism for use with an elevator system, the elevator drive mechanism including:

a first pinion member to engage a first rack member;

a second pinion member to engage a second rack member; and

a drive train configured to drive rotation of the first and second pinion members with respect to the first and second rack members, respectively, wherein the first and second pinion members are located on opposing sides of the elevator drive mechanism.

18 A hoistway-less elevator system, the system including at least one of:

a capacitive proximity sensor located in a base of an elevator car and configured to sense the proximity of an object beneath the elevator car; and

an array of obstruction sensors located in a base of an elevator car and configured to sense an object beneath the elevator car.

19. A hoistway-less elevator system according to claim 18, the system including the capacitive proximity sensor, wherein the capacitive proximity sensor includes a sensing plate which extends around at least part of a perimeter of the elevator car.

20. A hoistway-less elevator system according to claim 19, wherein the sensing plate extends across substantially an entire width of the elevator car.

21 . A fire guard system for a hoistway-less elevator system, the fire guard system including:

a base portion of fire resistant material; and

a resilient member configured to couple the base portion beneath an elevator car and to permit movement of the base portion with respect to the elevator car between extended and retracted positions, such that as the elevator car passes through an aperture, the base portion may engage the edges of the aperture to block the aperture and permit further movement of the elevator car.

22. The fire guard system according to claim 21 , wherein the resilient member includes a helical spring.

23. The fire guard system according to claim 21 or 22, further including a collar insert configured to be fitted to an aperture through a level partition of a building and at least partially defining the aperture through which the elevator car passes during operation.

24. An elevator drive mechanism for use with an elevator system, the elevator drive mechanism is configured to move with an elevator car and includes:

a first pinion member to engage a first rack member;

a drive train configured to drive rotation of the first pinion member with respect to the first rack member;

a battery to power movement of the elevator drive mechanism and elevator car, the battery moving with the elevator drive mechanism and elevator car; and

a charging system for the battery, wherein the charging system includes electrical contacts which are configured to form a charging circuit with an electrical supply when the elevator car is in one or more predetermined locations in its range of movement.

25. An elevator system including an elevator drive mechanism according to claim 24 and the elevator car.