POINTLESS SWITCH MECHANISM Russian patent published in 2006 - IPC E01B7/00 

FIELD: railway transport.

SUBSTANCE: invention can be used for improvement of connection and branching of rail tracks. Proposed switch mechanism contains two pairs of change-over rail throat pieces installed for displacement of their ends within the limits providing throw over of switch from one direction to the other, and bridges made of steel sheet under butt joints of movable ends of these throat pieces with track rails abutting the switch mechanism. Each pair of change-over throat pieces in movable end is furnished with grip consisting of two angle plates with vertical webs tightly pressed to each other and passed through hole in bridge. Dimensions of hole and horizontal webs in lower part of grip are chosen to provide getting of horizontal web of one of angle plates under sheets of bridge in each extreme positions of change-over throat pieces and to prevent vertical displacement of end faces of change-over rails relative to sheet and end face of abutting track rail.

EFFECT: increased service life of pointless switch mechanism owing to provision of soldiery operation of their change-over throat pieces with bridges and butt-jointed track rails.

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