| 摘要 |
<p>A pneumatic inflation device disposed within the sole of a shoe (100) and comprising a pump (12) which is entirely within the sole, a pump actuator (210) which is entirely within the sole when not in use, and an inflatable bladder (57) which is entirely within the sole and is operatively connected to the pump. Such a device can include a mechanism (234) to lock the pump actuator within the sole such that the mechanism's cap (200) is flush with the outer wall (220) of the sole and finger-operable to allow the shoe-wearer to easily operate the inflation device.</p> |
