Patent ID: 9212692
Filing Date: 2015-12-15
Classification: B64G,F16C,F16M,H01Q,Y10T

Abstract:
1. A cardan joint that is compact and flexible, the cardan joint comprising: a first pivot configured to pivot about a first rotation axis; a second pivot configured to pivot about a second rotation axis; and link parts that are rigid and link the first pivot and the second pivot together in a fixed manner, wherein each of the first pivot and the second pivot includes: wherein the cardan joint defines a central longitudinal axis and is hollow along the central longitudinal axis, wherein the first rotation axis, the second rotation axis, and the central longitudinal axis are mutually orthogonal and intersect at a point of rotation situated at a center of the cardan joint, wherein the annular outer frame of the first pivot extends orthogonal to the first rotation axis along a first plane containing the central longitudinal axis, and wherein the annular outer frame of the second pivot extends orthogonal to the second rotation axis along a second plane containing the central longitudinal axis.