| 摘要 |
A cane having a substantially vertical member, a base attached to the substantially vertical member with at least three legs and a first tread proximate the substantially vertical member, a second tread moveably connected to the first tread, the second tread having at least one leg and being moveable from a retracted position to an extended position. A cane having a handle means for carrying the cane and for steadying a user of the cane, a platform means for stepping upon by the user, the platform means secured to the handle means and an extension means for retractably extending the platform means. A method of climbing a vertical rise that includes positioning, at a bottom of a vertical rise, a cane having an extendable platform, extending the platform, stepping upon the platform, stepping off the platform onto a surface higher than the bottom of the vertical rise; and retracting the platform.
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