| CPC F16G 13/16 (2013.01) [H02G 11/006 (2013.01)] | 18 Claims |
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1. An energy guide chain, to guide at least one line between two connection points using chain links, with each chain link having two opposing plates formed of plastic material which are connected together by at least one crosspiece, the energy guide chain comprising:
two strings of plates, with each string having an alternating succession of inner plates and outer plates, the inner plates having inner overlap regions facing an inside of the chain and the outer plates having outer overlap regions, with which adjacent plates of each string of plates overlap and are connected together articulatedly and swivelably in a swivel plane about a swivel axis and over a swivel angle,
wherein, for at least one occurrence of the adjacent plates of each string, a first plate of the adjacent plates engaging for lateral stabilization with a circular arc-shaped guide region extending parallel to the swivel plane into a space behind a retaining projection on a second plate of the two adjacent plates, and
wherein the retaining projection is spatially limited to a central vertical portion of a plate height and is of limited dimension in a circumferential direction about the swivel axis, in that the circular arc-shaped guide region is arranged such that the circular arc-shaped guide region engages into the space of the retaining projection in each swivel position throughout the swivel angle, and in that the retaining projection has limited dimensions such that in each swivel position the circular arc-shaped guide region is engaged over by the retaining projection only over a minor proportion of an arc length or angular width of the circular arc-shaped guide region and such that in each swivel position the circular arc-shaped guide region is not engaged over by the retaining projection over a predominant major proportion of the arc length or the angular width of the circular arc-shaped guide region by the retaining projection;
wherein the retaining projection covers a plate through opening, which extends through a central region of the plate to a remote side surface of the plate and is open at the remote side.
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17. A plastic plate for an energy guide chain, the plastic plate comprising:
two opposing overlap regions and a central region located therebetween,
each overlap region having either a swivel pin in one piece therewith or a pin receptacle molded therein, to connect overlapping plates together swivelably in a swivel plane about a swivel axis and over a swivel angle,
two retaining projections provided in one piece on the central region and each retaining projection projecting over an associated space, into which an adjoining outer or inner plate are engageable for lateral stabilization with a circular arc-shaped guide region extending parallel to the swivel plane,
wherein each retaining projection covers a plate through opening, which extends through a central region of the plate to a remote side surface of the plate and is open at the remote side,
wherein each retaining projection is of limited dimension in a circumferential direction about the swivel axis, such that in each swivel position the circular arc-shaped guide region of an engaging plate is predominantly not engaged over by the retaining projection, and/or
wherein the retaining projection and the circular arc-shaped guide region are arranged such that the circular arc-shaped guide region engages in each swivel position throughout the swivel angle into a space behind the retaining projection.
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