ROLLER FINGER Russian patent published in 2012 - IPC E05C9/18 

FIELD: construction.

SUBSTANCE: roller finger (1) of lock fittings for windows or doors comprises, in particular, a finger (2) fixed on a shifted drive rod and stretching via a longitudinal slot of an overlapping plank of lock fittings and having a collar, a roller (3) resting as capable of rotation against a tail (8) of the finger (2), for axial fixation of which there is a fixing ledge (9) on one of roller finger parts joined with each other as capable of rotation (for instance, on the roller (3)) being under a spring action and installed as capable of radial deviation, which is engaged with an appropriate other part of a roller finger (for instance, with a finger (2)). At the same time the fixing ledge is arranged in the form of a spring stop ring (9), which is in effect between the roller (3) and the finger (2). The spring stop ring (9) is fixed in the axial direction between two radially protruding edges (12, 13) of the finger (2) and/or the roller (3). It is provided that at least one of edges (13) is developed with the help of elastic deformation of the roller (3).

EFFECT: invention provides for simple manufacturing of a roller finger and prevention of friction during locking of a roller finger, simple manufacturing.

9 cl, 7 dwg