| 摘要 |
In a preferred form, this disclosure relates to a collapsible shift tube assembly having a cylindrical upper member, a cylindrical lower member, and a locking sleeve. The upper member which is received within the lower member has a plurality of circumferentially spaced slots in its lower end portion, and the lower member has a plurality of circumferentially spaced slots in its upper end portion. The sleeve is located intermediate of the upper and lower members and has radially inwardly and outwardly extending projections which are received within the slots of the upper and lower members respectively for joining the lower members to normally prevent relative angular movement therebetween. The joining means also has a radially extending flange means which is cooperable with the lower end of the upper member and the upper end of the lower member for normally preventing axially inward collapse of the shift tube assembly and which is shearable upon a predetermined axial load of the shift tube assembly to allow the shift tube assembly to collapse axially inward.
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