| 摘要 |
PURPOSE: A variable type crankshaft is provided to reduce waste of energy used unnecessarily in an air compressor by mounting a driving cylinder to a position mounting weights for weight balance and by adjusting the momentum of the crankshaft, to lengthen the life span of an apparatus using the crankshaft, and to facilitate use by facilitating variable adjustment of the crankshaft. CONSTITUTION: A variable type crankshaft comprises load/non-load side crank driving shafts(10,30) rotating with a driving central line(C1) as a shaft and a variable crankshaft(50) connected between the crank driving shafts in a state where a central line(C2) is varied by a driving unit(70). The variable type crankshaft varies motion stroke of a connection body connected to the variable crank shaft. The load side crank driving shaft is connected to a motor(14) via a reducer(16) and a coupling(18). Bearings(12,32) are fastened to the load/non-load side crank driving shafts.
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