초록 ▼

An adjustable roller skate is provided with a lower frame including a toe stop; a wheel assembly secured to the lower frame; an upper frame including a groove, a trough disposed rearward of the groove, a channel at a rear end, and a seat disposed in the trough and having a recess communicating with

An adjustable roller skate is provided with a lower frame including a toe stop; a wheel assembly secured to the lower frame; an upper frame including a groove, a trough disposed rearward of the groove, a channel at a rear end, and a seat disposed in the trough and having a recess communicating with the channel; an adjustment mechanism including an externally threaded shaft disposed in both the channel and the recess, and a handle pivotably secured to a rear end of the externally threaded shaft and disposed externally of the upper frame; a sole including a toe cap, an internally threaded member on an underside of a rear end and threadedly secured to the externally threaded shaft, and a stem on the underside and slidably disposed in the groove; and a shoe disposed around an edge of the sole with the toe cap concealed.

대표청구항 ▼

1. A roller skate comprising: a lower frame including a toe stop;a wheel assembly secured to the lower frame and including two axles and four wheels rotatably disposed on the axles;an upper frame including a groove, a trough disposed rearward of the groove, a channel at a rear end, and a seat dispos

1. A roller skate comprising: a lower frame including a toe stop;a wheel assembly secured to the lower frame and including two axles and four wheels rotatably disposed on the axles;an upper frame including a groove, a trough disposed rearward of the groove, a channel at a rear end, and a seat disposed in the trough and having a recess communicating with the channel;an adjustment mechanism including an externally threaded shaft disposed in both the channel and the recess, and a handle pivotably secured to a rear end of the externally threaded shaft and disposed externally of the upper frame;a sole including a toe cap, an internally threaded member disposed on an underside of a rear end and threadedly secured to the externally threaded shaft, and a stem disposed on an intermediate portion of the underside and slidably disposed in the groove; anda shoe disposed around an edge of the sole with the toe cap concealed;wherein a clockwise rotation of the handle moves both the internally threaded member and the stem.