Spring type overrunning clutch and variable pitch spring thereof
The invention relates to a spring type overrunning clutch and a variable pitch spring thereof. The variable pitch spring comprises excitation sections at two ends, a middle bearing section located between the two excitation sections and transition bearing sections on two sides. The middle bearing se...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a spring type overrunning clutch and a variable pitch spring thereof. The variable pitch spring comprises excitation sections at two ends, a middle bearing section located between the two excitation sections and transition bearing sections on two sides. The middle bearing section is provided with an assembly inner circumferential surface and is used for being sleeved on an input mandrel in an interference manner; the transition bearing section on the left side is located between the middle bearing section and the excitation section at the left end, and the transition bearing section on the right side is located between the middle bearing section and the excitation section at the right end; the excitation sections are in interference fit with assembly holes of an input shell and an output shell all the time; and the outer circumferential surfaces of the middle bearing section and the transition bearing sections on two sides do not make contact with the assembly holes of the input and o |
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