Follow focus
AssigneeShenzhen Neewer Technology Co. Ltd
InventorsChao He, Jun Wang, Yan Ke
Life of this patent
Estimating the term…
Abstract
Disclosed is a follow focus. The follow focus includes the gear box, the handwheel assembly and the follow focus assembly. The handwheel assembly includes a handwheel body and an active worm, the active worm is fixed to the handwheel body and extends toward the gear box, and the active worm is provided with a first worm gear; and a follow focus assembly includes a follow focus gear and a driven worm, the driven worm is fixed to the follow focus gear and extends toward the gear box, the driven worm is provided with a second worm gear, an angle between the active worm and the driven worm is 90°, and the first worm gear is meshed with the second worm gear.
Claims11
A follow focus, comprising:
- a gear box;
- a handwheel assembly comprising a handwheel body and an active worm, wherein the active worm is fixed to the handwheel body and extends toward the gear box, and the active worm is provided with a first worm gear;
- and
- a follow focus assembly comprising a follow focus gear and a driven worm, wherein the driven worm is fixed to the follow focus gear and extends toward the gear box, the driven worm is provided with a second worm gear, an angle between the active worm and the driven worm is 90°, and the first worm gear is meshed with the second worm gear;
- and
- the active worm is further provided with a damping ring, and an outer periphery of the damping ring is abutted against an inner side wall of the gear box;
- and
- the follow focus comprises a plurality of damping rings, and each of two opposite sides of the first worm gear is provided with at least one damping ring.
Dependencies are inferred from the claim text.