Waterproofing device for screw-tightened connectors

Claim 1

A device for waterproofing a pair of mutually screw-tightened connectors each including a housing, in which a bolt is provided in one of said connectors and extends along the total length of the connector, and a nut is provided in the other of said connectors, said bolt being screw-engaged in said nut so that said connectors are coupled to each other, and said connectors being covered with elastic grommets so that said connectors are waterproofed, wherein the housing of said connector provided with said bolt is formed with a cylindrical sleeve surrounding the shank of said bolt, said grommet for said connector provided with said bolt has an opening in which said sleeve is tightly fitted, and a waterproofing seal means is provided on said bolt wherein engagement flanges are provided on the housings of the connectors and extend radially therefrom so as to have opposing end surfaces, peripheral portions of the elastic grommets are fitted on said flanges so as to circumscribe said flanges, the inner surface of each of said grommets sealingly engaging each of said end surfaces and the outer surfaces of said peripheral portions being tightly fitted on a panel to which one of said connectors is secured.

Claim 2

A device for waterproofing a pair of mutually screw-tightened connectors each including a housing, in which a bolt is provided in one of said connectors and extends along the total length of the connector, and a nut is provided in the other of said connectors, said bolt being screw-engaged in said nut so that said connectors are coupled to each other, and said connectors being covered with elastic grommets so that said connectors are waterproofed, wherein the housing of said connector provided with said bolt is formed with a cylindrical sleeve surrounding the shank of said bolt, said grommet for said connector provided with said bolt has an opening in which said sleeve is tightly fitted, and a waterproofing seal means is provided on said bolt wherein engagement flanges are provided on the housings of the connectors and extend radially therefrom so as to have opposing end surfaces, peripheral portions of the elastic grommets are fitted on said flanges so as to circumscribe said flanges, the inner surface of each of said grommets sealingly engaging each of said end surfaces and the outer surfaces of said peripheral portions being tightly fitted on a panel to which one of said connectors is secured.

Claim 3

A device for waterproofing connectors, comprising: first and second connectors, each having a connection side and an opposite side; a bolt rotatably supported to said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bolt and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a cover for covering said opposite side of said first connector; and a fastener for fixing said second connector to a panel having fixing holes, wherein said first connector includes an outward flange projecting radially outwardly therefrom and said cover circumscribes said outward flange when said cover covers said exposed side of said first connector such that said fixing holes are covered by said cover.

Claim 4

A device for waterproofing connectors, comprising: first and second connectors, each having a connection side and an opposite side; a bolt rotatably supported to said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bolt and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a cover for covering said opposite side of said first connector; and a fastener for fixing said second connector to a panel having fixing holes, wherein said first connector includes an outward flange projecting radially outwardly therefrom and said cover circumscribes said outward flange when said cover covers said exposed side of said first connector such that said fixing holes are covered by said cover.

Claim 10

A device for waterproofing connectors, comprising: first and second connectors, each having a connection side and an opposite side; a bolt rotatably supported to said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bolt and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a cover for covering said opposite side of said first connector; a fastener for fixing said second connector to a panel having fixing holes; and a second cover for covering said opposite side of said second connector, wherein said second connector includes an outward flange projecting radially outwardly therefrom and said second cover circumscribes said outward flange and includes an inward flange disposed along said outward flange when said second cover covers said exposed side of said second connector such that said second cover covers said fixing holes.

Claim 11

A device for waterproofing connectors, comprising: first and second connectors, each having a connection side and an opposite side; a bolt rotatably supported to said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bolt and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a cover for covering said opposite side of said first connector; a fastener for fixing said second connector to a panel having fixing holes; and a second cover for covering said opposite side of said second connector, wherein said second connector includes an outward flange projecting radially outwardly therefrom and said second cover circumscribes said outward flange and includes an inward flange disposed along said outward flange when said second cover covers said exposed side of said second connector such that said second cover covers said fixing holes.

Claim 13

The device according to lcaim 9, wherein said fixing holes are positioned within a space defined by said outward flange and said inward flange.

Claim 14

The device according to lcaim 9, wherein said fixing holes are positioned within a space defined by said outward flange and said inward flange.

Claim 17

A device for waterproofing connectors, comprising: first and second connectors, each having a connection side and an opposite side; a bolt rotatably supported in said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bolt and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a cover means for covering said opposite side of said first connector, said cover means having an opening tightly fitted to an outer cylindrical surface of said sleeve; and a fastener for fixing said second connector to a panel having fixing holes, wherein said cover means includes a waterproofing cover made of a synthetic resin and includes a seal groove provided in said waterproofing cover at a peripheral portion thereof and a seal ring in said seal groove.

Claim 18

A device for waterproofing connectors, comprising: first and second connectors, each having a connection side and an opposite side; a bolt rotatably supported in said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bolt and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a cover means for covering said opposite side of said first connector, said cover means having an opening tightly fitted to an outer cylindrical surface of said sleeve; and a fastener for fixing said second connector to a panel having fixing holes, wherein said cover means includes a waterproofing cover made of a synthetic resin and includes a seal groove provided in said waterproofing cover at a peripheral portion thereof and a seal ring in said seal groove.

Claim 19

A device for waterproofing connectors, comprising: first and second connectors, each having a connection sid and and opposite side; a bolt rotatably supported in said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bold and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a fastener for fixing said second connector to a panel having fixing holes; and a cover for covering said opposite side of said first connector, said cover having an opening tightly fitted to an outer cylindrical surface of said sleeve and a peripheral portion opposing said opening and tightly fitted on said panel.

Claim 20

A device for waterproofing connectors, comprising: first and second connectors, each having a connection sid and and opposite side; a bolt rotatably supported in said first connector; a nut fixedly disposed in said second connector for coupling said connection side of said first connector to said connection side of said second connector by threading engagement between said bold and said nut; a cylindrical sleeve projecting from said opposite side of said first connector for surrounding said bolt; a fastener for fixing said second connector to a panel having fixing holes; and a cover for covering said opposite side of said first connector, said cover having an opening tightly fitted to an outer cylindrical surface of said sleeve and a peripheral portion opposing said opening and tightly fitted on said panel.