UNDERWATER PROPULSION DEVICE

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

UNDERWATER PROPULSION DEVICE

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters. 1. An underwater propulsion device comprising:(a) a foot board;(b) a battery sealed in a watertight compartment that is integrated with said foot board;(c) wherein said foot board comprises two portions, each with an attachment structure for one of said user's feet, and wherein said portions are connectable to one another by a linkage that permits said portions to pivot relative to one another;(d) wherein said device has two battery-powered underwater propulsion units; and wherein the first of said propulsion units is mounted on the first of said portions of said foot board and the second of said propulsion units is mounted on the second of said portions of said foot board; and wherein each of said portions of said foot board has at least one integrated battery in it that is connected by a watertight connection to the one of said propulsion units that is mounted on that portion of said foot board;(e) a throttle control system integrated with said foot board that allows the throttle of said propulsion unit to be controlled by a swivel movement of said user's foot, wherein at least one of said foot attachment structures comprises a foot pedal mount that fixes one end of said user's foot to said foot board about a rotational axis that allows the opposite end of said user's foot to swivel from side to side; and wherein said throttle control system further includes a spring return which tends to bring said user's foot to neutral position when said user does not exert any swivel force with their foot.2. The device of wherein said throttle control ...

Underwater propulsion device

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

Underwater propulsion device

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

QUICK RELEASE SHOE LACES

Devices and method are disclosed for provision of a quick release lacing system for shoes. A lace is fitted with a releasable connector that can be activated manually or automatically to disconnect the laces, allowing the wearer to then pull the laces party or fully off the shoe in a single movement. Such tools are particularly useful for sporting and tactical shoes, wherein the wearer may have a need to quickly extract their foot from the shoe, such as in an emergency situation. 1. A quick release shoe lace system comprising:(a) a shoe lace capable of being tightened on a shoe through two or more lace openings;(b) said shoe lace having a releasable end with two loose ends;(c) a releasable connector capable of holding together said two loose ends, and also capable of being manipulated to cause said two loose ends to separate from each other; and(d) wherein said shoe lace is capable of being removed from said shoe by a single continuous pulling motion when said releasable connector is not holding together said two loose ends.2. The quick release shoe lace system of claim 1 , wherein said releasable connector comprises a housing with two opposing walls claim 1 , and wherein said two loose ends of said laces can be placed between said two opposing walls claim 1 , and further including a friction element capable of holding said two loose ends within said releasable connector claim 1 , wherein said friction element can also be manipulated to release said two loose ends from said releasable connector.3. The quick release shoe lace system of claim 1 , wherein said releasable connector comprises a double-walled releasable connector.4. The quick release shoe lace system of claim 1 , wherein said releasable connector comprises a toothed clamping mechanism.5. The quick release shoe lace system of claim 1 , wherein said releasable connector includes an electronic release system that can be activated by a remote signal.6. The quick release shoe lace system of claim 1 , wherein ...

Underwater propulsion device

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

UNDERWATER PROPULSION DEVICE

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters. 1. An underwater propulsion device comprising:(a) a foot board comprising two separable halves;(b) a battery sealed in a watertight compartment that is integrated with at least one of said halves of said foot board;(c) a, battery-powered underwater propulsion unit attached to each of said halves of said footboard and connected to said battery by a watertight connection;(d) an attachment structure on each of said halves of said foot board, with each of said attachment structures allowing for mounting of a user's foot;(e) a throttle control system integrated with said foot board that controls the throttle of said propulsion unit responsive to a movement of said user's foot when said user's foot is mounted in said attachment structure;(f) a first magnet on at first one of said halves of said foot board, and a second magnet on the second of said halves of said foot board, wherein said magnets have an attractive force that holds said halves of said footboard together at at least one connection point without assistance from a user when said halves of said footboard are contacted to each other underwater.2. The device of wherein said magnets permit a user of said device to separate said halves of said foot board from each other while said device is underwater by applying a deliberate spreading force to separate said halves apart from one another.3. The device of wherein said magnets permit a user of said device to separate said halves of said foot hoard from each other while said device is underwater by applying a deliberate force to slide one of ...

Underwater propulsion device

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

UNDERWATER PROPULSION DEVICE

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters. 1. An underwater propulsion device comprising:(a) a foot board;(b) a battery sealed in a watertight compartment that is integrated with said foot board;(c) a battery-powered underwater propulsion unit attached to said footboard and connected to said battery by a watertight connection;(d) an attachment structure on said foot board for allowing mounting of a user's foot;(e) a throttle control system integrated with said foot board that allows the throttle of said propulsion unit to be controlled by a movement of said user's foot.2. The device of wherein said foot board comprises two portions claim 1 , each with an attachment structure for one of said user's feet claim 1 , and wherein said portions are connectable to one another by a linkage that permits said portions to pivot relative to one another.3. The device of wherein said linkage comprises a rotary bearing.4. The device of wherein said linkage comprises magnets.5. The device of wherein said linkage comprises a flexible connector that tends to return to a straight position unless force is applied to bend it.6. The device of wherein said linkage comprises a flexible rope.7. The device of wherein said throttle control system comprises a foot pedal mount capable of a swivel motion claim 1 , and wherein the user may control the throttle of the propulsion unit by a foot swivel motion.8. The device of wherein said throttle control system is electronic claim 7 , and wherein a sensor is employed that is capable of detecting movement of said foot pedal mount.9. The device of including an ...

Underwater propulsion device

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

Underwater propulsion device

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

Underwater propulsion device

An underwater propulsion system is disclosed comprising a foot board with one or more battery-powered propulsion units. A throttle control system may be enabled in the foot board such that a movement of the user's foot controls the throttle. Flattened Lithium batteries allow thin lightweight construction of the foot board. Use of trolling motors as propulsion units provides thrust advantages over pre-existing underwater scooters.

Underwater propulsion device