GR1004886B - Spherical 3-dimensional gears. transmission of motion along any of the three dimensions at any moment - Google Patents

Abstract

pherical 3-dimensional gears, which are characteerized by polyhedral (or conical) teeth - or polyhedral (or even conical) holes respectively - homogeneously distributed across a shperical surface and which can transmit motion to all three dimensions. They are subdivided into "positives" (P) (figure 4), "negatives" (N) (figure 6) and "concave positives"(Cp3) (f;igure 17, or "concave negatives" (CN2) (figure 14). The "conjugate"gears (P-N) (figure 7), those that fit with each other, so that theytransmit the motion from one to the other, must be positive with negative, and with corresponding geometry (shape, size) and number of the teeth-holes, in order to block each other. Based on this idea we establish and describe the following three methods of mounting such gears within the space with the corresponding ways of motion trensmission from one to another:1. mouting by ring (figures 9,10,11,12)2. articulated (simple) mounting (figures 13,14)3. articulated-planet mounting (figurs 15,16,17,18)The base of teeth (or the opening of holes) (figures 21,22,23,24) constitute in the ideal case faces of regular polyhedra, however in practice they form usually faces of pseudo-regular polyhedra.Our idea, after choosing triangular bases of trihedral teeth or holes, does not exclude polyhedra of other form of their faces (i.e beyond trangles only) or even mixed forms that produce the respective pyramud teeth or holes. In the cse of faces with a great number of sides, which are circles essentially (circular bases), the teeth and the holes will become cones.