Rotating Mechanism, Portable Neck Supporter and Adjusting Method Thereof

4:

• The lightweight neck brace, as recited in claim 2, wherein the at least one adjustment member includes an outer rotating member and an inner rotating member, wherein an inner wall of the outer rotating member defines a receiving cavity and the inner rotating member is accommodated in the receiving cavity, wherein the inner wall of the outer rotating member is recessed to form at least two unidirectional tooth grooves and the inner rotating member includes a base body and at least one connecting arm integrally extended from the base body outwardly in a suspended manner in such a manner that the at least one connecting arm is able to deform under an exerting force and return to an original form thereof after the exerting force is released, wherein the at least one connecting arm has a supporting surface formed and configured to be pressed against one of the at least two unidirectional tooth grooves to lock the outer rotating member and the inner rotating member, wherein in the adjustment state, the at least one connecting arm is pressed and selectively abutted against one of the at least two unidirectional tooth grooves of the outer rotating member so as to restrict the inner rotating member to be able to merely rotate with respect to the outer rotating member unidirectionally, wherein in the free state, the at least one connecting arm of the inner rotating member is released from the at least two unidirectional tooth grooves so as to allow the inner rotating member to freely rotate with respect to the outer rotating member.

9:

• The lightweight neck brace, as recited in claim 2, wherein the at least one adjustment member includes an outer rotating member and an inner rotating member, wherein an inner wall of the outer rotating member defines a receiving cavity and the inner rotating member is accommodated in the receiving cavity, wherein the inner wall of the outer rotating member is recessed to form two sets of unidirectional tooth grooves and the inner rotating member includes a base body and two connecting arms integrally extended from two opposing sides of the base body outwardly in a suspended manner in such a manner that each of the two connecting arms are able to deform under an exerting force and return to an original form thereof after the exerting force is released, wherein the two connecting arms are configured to be pressed against two unidirectional tooth grooves of the two sets of unidirectional tooth grooves respectively to lock the outer rotating member and the inner rotating member, wherein in the adjustment state, the at least two connecting arms are pressed and selectively abutted against the two sets of unidirectional tooth grooves of the outer rotating member respectively so as to restrict the inner rotating member to be able to merely rotate with respect to the outer rotating member unidirectionally, wherein each of the two connecting arms of the inner rotating member forms a restricting pin, wherein the adjustment member further comprises an adjusting element which has two symmetrical restriction slots provided therein, a distance between the two restriction slots being arranged to gradually increase from one end to another end thereof, the restricting pins of the two connecting arms being restricted in the two restriction slots of the adjusting element respectively, wherein when the adjusting element is moved with respect to the inner rotating member and the restricting pins are moving from the ends of the two restriction slots having a maximum distance therebetween to the ends of the two restriction slots having a minimum distance therebetween, a distance between the two restricting pins is restricted by the two restriction slots of the adjusting element to decrease and the two connecting arms are driven by the adjusting element to move towards the base body and away from the two sets of unidirectional tooth grooves of the outer rotating member respectively, so that the lightweight neck brace is switched from the adjustment state to the free state.

34:

• The lightweight neck brace, as recited in claim 32, wherein an inner wall of the outer rotating member defines a receiving cavity and the inner rotating member is accommodated in the receiving cavity, wherein the inner wall of the outer rotating member is recessed to form at least two unidirectional tooth grooves and the inner rotating member includes a base body and at least one connecting arm integrally extended from the base body outwardly in a suspended manner in such a manner that the at least one connecting arm is able to deform under an exerting force and return to an original form thereof after the exerting force is released, wherein the at least one connecting arm has a supporting surface formed and configured to be pressed against one of the at least two unidirectional tooth grooves to lock the outer rotating member and the inner rotating member, wherein in the adjustment state, the at least one connecting arm is pressed and selectively abutted against one of the at least two unidirectional tooth grooves of the outer rotating member so as to restrict the inner rotating member to be able to merely rotate with respect to the outer rotating member unidirectionally, wherein in the free state, the at least one connecting arm of the inner rotating member is released from the at least two unidirectional tooth grooves so as to allow the inner rotating member to freely rotate with respect to the outer rotating member.

35:

• The lightweight neck brace, as recited in claim 33, wherein an inner wall of the outer rotating member defines a receiving cavity and the inner rotating member is accommodated in the receiving cavity, wherein the inner wall of the outer rotating member is recessed to form at least two unidirectional tooth grooves and the inner rotating member includes a base body and at least one connecting arm integrally extended from the base body outwardly in a suspended manner in such a manner that the at least one connecting arm is able to deform under an exerting force and return to an original form thereof after the exerting force is released, wherein the at least one connecting arm has a supporting surface formed and configured to be pressed against one of the at least two unidirectional tooth grooves to lock the outer rotating member and the inner rotating member, wherein in the adjustment state, the at least one connecting arm is pressed and selectively abutted against one of the at least two unidirectional tooth grooves of the outer rotating member so as to restrict the inner rotating member to be able to merely rotate with respect to the outer rotating member unidirectionally, wherein in the free state, the at least one connecting arm of the inner rotating member is released from the at least two unidirectional tooth grooves so as to allow the inner rotating member to freely rotate with respect to the outer rotating member.

36:

• The lightweight neck brace, as recited in claim 32, wherein an inner wall of the outer rotating member defines a receiving cavity and the inner rotating member is accommodated in the receiving cavity, wherein the inner wall of the outer rotating member is recessed to form two sets of unidirectional tooth grooves and the inner rotating member includes a base body and two connecting arms integrally extended from two opposing sides of the base body outwardly in a suspended manner in such a manner that each of the two connecting arms are able to deform under an exerting force and return to an original form thereof after the exerting force is released, wherein the two connecting arms are configured to be pressed against two unidirectional tooth grooves of the two sets of unidirectional tooth grooves respectively to lock the outer rotating member and the inner rotating member, wherein in the adjustment state, the at least two connecting arms are pressed and selectively abutted against the two sets of unidirectional tooth grooves of the outer rotating member respectively so as to restrict the inner rotating member to be able to merely rotate with respect to the outer rotating member unidirectionally, wherein each of the two connecting arms of the inner rotating member forms a restricting pin, wherein the adjustment member further comprises an adjusting element which has two symmetrical restriction slots provided therein, a distance between the two restriction slots being arranged to gradually increase from one end to another end thereof, the restricting pins of the two connecting arms being restricted in the two restriction slots of the adjusting element respectively, wherein when the adjusting element is moved with respect to the inner rotating member and the restricting pins are moving from the ends of the two restriction slots having a maximum distance therebetween to the ends of the two restriction slots having a minimum distance therebetween, a distance between the two restricting pins is restricted by the two restriction slots of the adjusting element to decrease and the two connecting arms are driven by the adjusting element to move towards the base body and away from the two sets of unidirectional tooth grooves of the outer rotating member respectively, so that the lightweight neck brace is switched from the adjustment state to the free state.

37:

• The lightweight neck brace, as recited in claim 33, wherein an inner wall of the outer rotating member defines a receiving cavity and the inner rotating member is accommodated in the receiving cavity, wherein the inner wall of the outer rotating member is recessed to form two sets of unidirectional tooth grooves and the inner rotating member includes a base body and two connecting arms integrally extended from two opposing sides of the base body outwardly in a suspended manner in such a manner that each of the two connecting arms are able to deform under an exerting force and return to an original form thereof after the exerting force is released, wherein the two connecting arms are configured to be pressed against two unidirectional tooth grooves of the two sets of unidirectional tooth grooves respectively to lock the outer rotating member and the inner rotating member, wherein in the adjustment state, the at least two connecting arms are pressed and selectively abutted against the two sets of unidirectional tooth grooves of the outer rotating member respectively so as to restrict the inner rotating member to be able to merely rotate with respect to the outer rotating member unidirectionally, wherein each of the two connecting arms of the inner rotating member forms a restricting pin, wherein the adjustment member further comprises an adjusting element which has two symmetrical restriction slots provided therein, a distance between the two restriction slots being arranged to gradually increase from one end to another end thereof, the restricting pins of the two connecting arms being restricted in the two restriction slots of the adjusting element respectively, wherein when the adjusting element is moved with respect to the inner rotating member and the restricting pins are moving from the ends of the two restriction slots having a maximum distance therebetween to the ends of the two restriction slots having a minimum distance therebetween, a distance between the two restricting pins is restricted by the two restriction slots of the adjusting element to decrease and the two connecting arms are driven by the adjusting element to move towards the base body and away from the two sets of unidirectional tooth grooves of the outer rotating member respectively, so that the lightweight neck brace is switched from the adjustment state to the free state.