A level wind mechanism (28) includes a first screw (38a) and a second screw (38b) extending through a block (40). A shoe (48) is disposed within the block (40) between the first screw (38a) and the second screw (38b). The shoe (48) includes a first follower for engaging with and being driven by a thread of the first screw (38a) and a second follower for engaging with and being driven by a thread of the second screw (38b). Each thread includes cams at the terminal ends of the thread for causing the shoe to disengage from that thread and to shift to engaging the other thread. In this way, the first screw (38a) and the second screw (38b) cause the shoe (48), and thus the block (40), to translate relative to the first screw (38a) and the second screw (38b).
AUTOMATIC REVERSING SCREW MECHANISM FOR CABLE WINDING
AUTOMATISCHER UMKEHRGEWINDESPINDELMECHANISMUS ZUM AUFWICKELN VON KABELN
MÉCANISME DE VIS À INVERSION AUTOMATIQUE POUR L'ENROULEMENT DE CÂBLE
05.09.2018
Patent
Elektronische Ressource
Englisch
AUTOMATIC REVERSING SCREW MECHANISM FOR CABLE WINDING
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