CLAMPING PART AND RETENTION DEVICE THAT CONTAINS IT Russian patent published in 2010 - IPC F16B37/08 

FIELD: machine building.

SUBSTANCE: clamping part has conical case (1) with central hole (2) in longitudinal direction of case (1). In side wall (4) of case (1) there is at least one slot provided (5a, 5b, 5c), which passes perpendicularly to longitudinal axis of clamping part (A), and serves to hold insert (7a, 7b, 7c), which protrudes by a sufficient distance in hole (2) and which is used as response part for thread of screw (17), passing through hole (2). Unit of holder for attachment of screw (17) comprises hollow basic element (10) to receive specified clamping part (A). Hollow basic element (10) has foot (11) with hole (18), besides internal surface (22) of basic element (10) is arranged as conical in the area of holder foot (9), in order to engage with external surface (23) of conical case (1) of clamping part (A). Clamping part (A) moves down in direction of foot (11) due to rotation of holder unit (9) around its axis and clamps screw (17), which is inserted through hole (18) of foot and passes through hole (2) of clamping part (A).

EFFECT: unit of holder having specified clamping part may simply and quickly be fixed in crossbars or on elements of case, having various thickness.

13 cl, 6 dwg