REST FOR STOPPING PILE OF SHEETS ON ROLLER CONVEYER Russian patent published in 1994 - IPC

FIELD: rolling equipment. SUBSTANCE: rest has bed frame with bearing plate provided with guides. Board is mounted in guides. Elevating and lowering mechanism of board has power cylinder. Its rod is provided with axle carrying in its middle part a roller and blocks positioned on its both sides. The board carries two pairs of fixedly attached brackets between which are installed blocks spring-loaded relative to outer end of lower bracket. Outer ends of upper bracket are engageable with rests located on bearing plate. Mechanism for placement of board to vertical position is in the form of three-arm lever pivotally connected to bed frame. One arm of the lever rests upon bed frame, other arm is operatively connected to rod of cylinder of board elevating and lowering mechanism. Shock absorbing mechanism is in the form of coaxial two-arm levers. One arm of the lever rests upon bed frame with the aid of spring, and another arm is connected to bearing plate with the aid of hinged levers. Three-arm and two-arm levers are positioned on common axle. Two-arm levers are rigidly attached to the axle. EFFECT: enhanced operating reliability. 6 dwg