TENSIONING EQUIPMENT Russian patent published in 2010 - IPC F16H7/08 

FIELD: machine building.

SUBSTANCE: tensioning equipment consists of case (1) with screw surfaces, of stop bushing (6), of spring loaded rod (3) and of heel (5). Screw surfaces with one or more starts are made on the rod. To facilitate arrest of the spring before actuating there is made a lengthwise slot in the case. Complex spring (4) of compression-torsion is used for rod spring loading; a working lever of the spring enters the slot of the heel and lengthwise slot of the case. The slot of the case can be arranged at angle to an axle. The axle of the heel is made conic or there is made a slanted flat on it.

EFFECT: low prime cost of fabrication at mass production, stable parametres of tension during whole service life, long lifetime, light weight and improved operational characteristics.

7 cl, 6 dwg