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US 6,305,102 B1Granted
Pneumatic inflating device
OwnerHarold S. Doyleinventor
Life of this patent
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Abstract
A bellows pneumatic system including a pneumatic inflating device (12) disposed within the sole of a shoe (100) which is comprised of a plurality of bladders or bladder sets within the sole of the shoe, each bladder being connected to a flow switching device (18) via conduits.
Claims6
A pneumatic inflating device disposed within the sole of a shoe, said pneumatic inflating device comprising:
- first and second bladders;
- first and second conduits, each conduit having a first end connected, respectively, to the first and second bladders, each of the first and second conduits further having a second end connected to a flow switching device;
- first and second unidirectional flow valves disposed, respectively, within the first and second conduits and between the flow switching device and the first and second bladders, respectively;
- and
- first and second pressure release valves connected, respectively, to the first and second conduits between, respectively, the first unidirectional flow valve and the and the first bladder and between the second unidirectional flow valve and the second bladder.
2 more elements
A bellows pneumatic inflating device disposed within the sole of a shoe, said bellows pneumatic inflating device comprising:
- a plurality of bladders disposed within the sole of said shoe;
- a plurality of conduits having a first end connected to said bladders and a second end;
- a plurality of unidirectional flow valves, one disposed within each of said conduits;
- a plurality of pressure release valves, one connected to each conduit between the unidirectional flow valve and the second end;
- an output switching device having an input and a plurality of outputs, each output connected to the second end of a conduit;
- a bellows pump attached to the shoe and having an output connected to the input of the switching device;
- and wherein the bellows pump includes
- a base and a cover;
- said base being hinged to said cover;
- said cover having a flange;
- said base having a latch to engage said flange.
8 more elements
Dependencies are inferred from the claim text.