Spline screw multiple rotations mechanism

Details Spline screw multiple rotations mechanism Spline screw multiple rotations mechanism

1992-09-17

1993-12-21

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

244161, 403 13, 403 24, 439362, F16H 2520, F16D 100, H01R 13627

Patent

active

052712869

ABSTRACT:
A system for coupling two bodies together and for transmitting torque from one body to another with mechanical timing and sequencing so that (1) the bodies are handled in a safe manner and nothing floats loose in space, (2) electrical connectors are engaged as long as possible so that the internal processes can be monitored throughout by sensors and (3) electrical and mechanical power and signals are coupled. The first body has a splined driver for providing the input torque and the second body has a threaded drive member capable of rotation and also of limited translation embedded within that will mate with and fasten to the splined driver. The second body also has a bevel gear member capable of rotation and also of limited translation embedded within and this bevel gear member is coaxial with the threaded drive member. A compression spring provides a preload on the rotating threaded member, and a thrust bearing is used for limiting the translation of the bevel gear member such that when the bevel gear member reaches the upward limit of its translation the two bodies are fully coupled and the bevel gear member then rotates due to the input torque transmitted from the splined driver through the threaded drive member to the bevel gear member. An output bevel gear with an attached output drive shaft is embedded in the second body and meshes with the threaded rotating bevel gear member to transmit the input torque to the output drive shaft.

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