PISTON PIN FITTING IN/OUT DEVICE Russian patent published in 2008 - IPC F16J1/16 

FIELD: engines and pumps.

SUBSTANCE: device incorporates a screw, a nut, a clamp representing a tape with a hole for the pin to pass through, a rod, two props rigidly interconnected by a crosspiece with the hole and two couplers. The crosspiece support the nut with screw. One end of the clamp is attached to one of the crosspieces, its other end being linked to the tie-rod furnished with awing nut and passing through the support hole. The support represents the L-shape plate with its longer shoulder fitted in the gap between the clamp and stiffness rigs and its central part having a bend forming an additional shoulder resting upon the other clamp. To add to the stability, the base of one prop has the diameter matching that of the piston radius while that of the other prop matches the radius of piston ring groove. Here note that the screw is linked, via an expansion spring, to the rod free end supporting the guide sleeve and piston pin. The rod other end is furnished with the limb and handle. The limb can be represented by the handle lock nut.

EFFECT: possibility of using device in both stationary conditions and in situ.

2 cl, 3 dwg