| 摘要 |
PURPOSE:To make the fitting position and interval of a step tread adjustable, and to obtain improved operability by providing a great number of fitting parts for pin-coupling with a stepping strength transmitting means at adequate intervals, to the step tread. CONSTITUTION:An operation pedal consists of a step tread 5, and the lever 2 of a stepping strength transmitting means where the step tread 5 is fitted detachably with a pin 8. The lever 2 has a tip fitting part 20 which is thinner than the intervals of four pieces of fitting parts 6 and 7 of the step tread 5, and a pin through hole 21 is made at the fitting part 20. The fitting part 20 of the lever 2 is positioned between two optional fitting piece parts 6 and 7 among said four pieces of fitting parts 6 and 7. The pin 8 is run through the pin through holes 9 and 21 and split pins or E rings are equipped at both its ends to fit the step tread 5 to the lever 2 detachably. |
