Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1993-05-13
1995-01-31
Look, Edward K.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
74108, 482 52, A63B 2304
Patent
active
053850637
ABSTRACT:
A transmission mechanism for a magnetic damping type step machine includes two supporting plates bilaterally fastened to a machine base in the middle to hold a main shaft, a double-groove spool mounted around the main shaft to hold a flywheel, two pedals pivotably connected to a rear crossbar of the machine base at either side, each pedal having pedal rod with a foot plate and a linking rod with a locating plate respectively disposed at two opposite sides by the respective supporting plate, and two transmission wires, each transmission wire having one end wound round either groove of the double-groove spool in either direction and an opposite end turn over pulleys on the respective supporting plate and the locating plate of the respective pedal.
REFERENCES:
patent: 3954282 (1976-05-01), Hege
patent: 4708338 (1987-11-01), Potts
patent: 5135447 (1992-09-01), Robards, Jr. et al.
patent: 5199931 (1993-04-01), Easley et al.
patent: 5238462 (1993-08-01), Cinke et al.
Greenmaster Industrial Corp.
Lee Michael S.
Look Edward K.
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