Abstract: A hybrid coupling for a smart battery system having two internal batteries. The hybrid power coupling includes a power coupling for connecting to the batteries and a data coupling for connecting with two bus devices that are also within the battery housing. The contacts of the digital data coupling are disposed in a circular configuration within the mating jack of the hybrid coupling. The data contacts are concentric with the D.C. battery contacts. The data contacts are retractable to automatically and selectively connect to a variety of battery-mounted jacks.

Abstract: A plug having a screw-down feature to securely connect to a socket of fixed, existing design. The plug includes flanges with screw receiving bores. Plug screws inserted through the bores deliver a coupling force for a variable compression seal that makes the connection waterproof. The screw-down connection includes upgrading the existing socket machine screws to a socket retaining member. The screw-down feature prevents the plug from accidentally disconnecting from the socket.

Abstract: A plug having a screw-down feature to securely connect to a socket of fixed, existing design. The plug includes flanges with screw receiving bores. Plug screws inserted through the bores deliver a coupling force for a variable compression seal that makes the connection waterproof. The screw-down connection includes upgrading the existing socket machine screws to a socket retaining member. The screw-down feature prevents the plug from accidentally disconnecting from the socket.

Abstract: A flexible, water tight seal for a movable component. The seal has a border plate sandwiched between two sealing gaskets. The seal is compressed between two components that remain out of contact with each other. The seal is installed axially between the components. For components having circular contact areas, the seal can be constructed from a washer sandwiched between two O-rings. The components float on the compressed seal to allow some flexibility between the components while maintaining a water tight seal.

Abstract: A hybrid coupling for a smart battery system having two internal batteries. The hybrid power coupling includes a power coupling for connecting to the batteries and a data coupling for connecting with two bus devices that are also within the battery housing. The contacts of the digital data coupling are disposed in a circular configuration within the mating jack of the hybrid coupling. The data contacts are concentric with the D.C. battery contacts. The data contacts are retractable to automatically and selectively connect to a variety of battery-mounted jacks.

Abstract: A flexible, water tight seal for a movable component. The seal has a border plate sandwiched between two sealing gaskets. The seal is compressed between two components that remain out of contact with each other. The seal is installed axially between the components. For components having circular contact areas, the seal can be constructed from a washer sandwiched between two O-rings. The components float on the compressed seal to allow some flexibility between the components while maintaining a water tight seal.