| CPC A62B 35/0093 (2013.01) [A62B 1/10 (2013.01); A62B 1/18 (2013.01)] | 3 Claims |
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1. A fall arrester, comprising:
a holder which comprises a first arm and a second arm;
a rotating drum which is pivotally provided on the holder and located between the first arm and the second arm; the rotating drum comprises a main body and at least one pawl, wherein the main body has an accommodating part and a setting part; the accommodating part is provided to be wound by a flexible long strip; the at least one pawl has a first abutting portion and is pivotally provided on the setting part; when the rotating drum rotates at a speed which is equal to or more than a predetermined speed, the first abutting portion of the at least one pawl pivots form a first position to a second position;
a braking device which has a convex portion and is fixed to the first arm by the convex portion so that the braking device is located between the first arm and the setting part; the braking device further has a second abutting portion which is located on a rotation path of the first abutting portion in the second position, wherein the rotation path is formed by the rotation of the rotating drum; thus, the second abutting portion can abut against the first abutting portion to stop the rotation of the rotating drum; and
a dust cover which is fixed to the setting part and is located between the setting part and the first arm; an enclosed space is formed between the dust cover and the setting part, and the at least one pawl and the braking device are located in the enclosed space; the dust cover has a hole, and the convex portion protrudes from the hole;
wherein the dust cover is continuously rotated in tandem along with the rotating drum;
wherein the dust cover comprises a main cover and at least one auxiliary cover which is connected to a periphery of the main cover; the braking device is located in the main cover, and the at least one pawl is located in the at least one auxiliary cover.
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