Pressing machine

Presses – Reciprocating press construction – With material depositing means

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Details

474 89, 474112, 474113, B30B 1530, F16H 710

Patent

active

048361011

ABSTRACT:
A pressing machine has a drive pulley secured to a press crank shaft, an intermediate shaft parallel to the press crank shaft and an input shaft of a material feeding device, the intermediate shaft being supported by a tension adjusting device which is rotatably supported by the crank shaft and the input shaft of the material feeding device, a first intermediate pulley which is secured to one end of the intermediate shaft and is drivingly connected to the drive pulley through a first endless torque transmission device, and a second intermediate pulley which is secured to the other end of the intermediate shaft and is drivingly connected to an input pulley secured to the input shaft of the material feeding device through a second endless torque transmission device. The tension adjusting device has a first arm member capable of effecting expansion and contraction and having one end rotatably supported by the crank shaft, a second arm member having one end rotatably supported by the input shaft of the material feeding device, and an eccentric body which is provided between the other ends of the first and second arms and the intermediate shaft so as to enable the relative position therebetween to be adjusted.

REFERENCES:
patent: 1218686 (1917-03-01), Morse
patent: 2245925 (1941-06-01), Klaucke
patent: 2479617 (1949-08-01), Hawley et al.
patent: 2621530 (1952-12-01), Siegerist
patent: 3145575 (1964-08-01), Bellmann
patent: 3869934 (1975-03-01), Pierce
patent: 4063499 (1977-12-01), Johnson
patent: 4614507 (1986-09-01), Ishino

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