Finger element
DCFirst Claim
1. A finger element, comprising:
- a) a carrier component,b) a first phalanx with a first hinge connection to the carrier component,c) a second phalanx with a second hinge connection to the first phalanx,d) a servo drive for the first hinge connection with a motor with a drive shaft and a worm gearing with a threaded screw and a cog segment that engages to the threaded screw, ande) a coupling mechanism between the first hinge connection and the second hinge connection, whereinf) the threaded screw is supported on the drive shaft form fittingly and axially movable as well as guided in axial direction by separate guidances.
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Abstract
The invention relates to a finger element, comprising a carrier component (1), a first finger member (5) having a first articulated connection (2) to the carrier component, a second finger member (6) having a second articulated connection (7) to the first finger member, an actuator for the first articulated connection (2) with a motor having a drive shaft, and a worm gear having a threaded worm, and a toothed segment engaging on the threaded worm, and further comprising a coupling mechanism (8) between the first and second articulated connections. The object of the invention is to modify a finger element such that the finger element in the active and passive functions thereof and in the dimensions thereof comes very close to a natural finger. The object is achieved in that the threaded worm is positively mounted axially movably on the drive shaft and axially guided through separate guides.
20 Citations
11 Claims
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1. A finger element, comprising:
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a) a carrier component, b) a first phalanx with a first hinge connection to the carrier component, c) a second phalanx with a second hinge connection to the first phalanx, d) a servo drive for the first hinge connection with a motor with a drive shaft and a worm gearing with a threaded screw and a cog segment that engages to the threaded screw, and e) a coupling mechanism between the first hinge connection and the second hinge connection, wherein f) the threaded screw is supported on the drive shaft form fittingly and axially movable as well as guided in axial direction by separate guidances. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification