Wiring duct

Claim 2

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasable secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member of said base, and said inside arm extending from said cover at an angle away from said outside arm.

Claim 3

The wiring duct of claim 1 wherein said side latching means has a deflection surface for engagement with said inside arm when said cover and base are assembled to prevent movement of said cover relative to said base by applying a force against said deflection surface which urges said side latching surfaces into engagement with said cover latching surfaces.

Claim 4

The wiring duct of claim 2 wherein each of said sides is provided with an abutment surface for positioning a tool to remove said cover.

Claim 5

The wiring duct of claim 1 wherein the width of said arrowhead is larger than the spacing between said outside arm and said inside arm.

Claim 6

The wiring duct of claim 1 wherein said inside arm is disposed at an angle from vertical that is less than the angle of said deflection surface.

Claim 7

The wiring duct of claim 1 wherein said inside arm has a thickness that is less than the thickness of said outside arm.

Claim 8

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member of said base, and said inside arm having a thickness that is less than the thickness of said outside arm.

Claim 9

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member of said base, and said inside arm having a thickness that is less than the thickness of said outside arm.

Claim 10

A wiring duct comprising: a base including a fist substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, and each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member o said base and each of said side latching means being in the shape of an arrowhead and said side latching surfaces being disposed adjacent the widest portion of said arrowhead, the said inside arm extending from said cover at an angle away from said outside arm.

Claim 11

A wiring duct comprising: a base including a fist substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, and each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member o said base and each of said side latching means being in the shape of an arrowhead and said side latching surfaces being disposed adjacent the widest portion of said arrowhead, the said inside arm extending from said cover at an angle away from said outside arm.

Claim 12

The wiring duct of claim 8 wherein said inside arm is disposed at an angle from vertical that is less than the angle of said deflection surface.

Claim 13

The wiring duct of claim 9 wherein said inside arm has a thickness that is less than the thickness of said outside arm.

Claim 14

The wiring duct of claim 8 wherein said inside arm has a thickness that is less than the thickness of said outside arm.

Claim 15

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding sided latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, and each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member of said base and each of said side latching means being in the shape of an arrowhead and said side latching surfaces being disposed adjacent the widest portion of said arrowhead, and said inside arm having a thickness that is less than the thickness of said outside arm.

Claim 16

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding sided latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, and each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member of said base and each of said side latching means being in the shape of an arrowhead and said side latching surfaces being disposed adjacent the widest portion of said arrowhead, and said inside arm having a thickness that is less than the thickness of said outside arm.

Claim 17

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, and each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member of said base, and each of said cover latching surfaces being disposed at an angle of approximately 40 degrees relative to its corresponding side latching surface.

Claim 18

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surface facing away from said base, and each of said cover latching surfaces engaging its corresponding side latching surface on a line, said lines lying in a plane substantially parallel to the planar member of said base, and each of said cover latching surfaces being disposed at an angle of approximately 40 degrees relative to its corresponding side latching surface.

Claim 19

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surfaces facing away from said base, said inside arm extending from said cover at an angle away from said outside arm, said side latching means having a deflection surface disposed at an angle for engagement with said inside arm when said cover and base are assembled to prevent movement of said cover relative to said base by applying a force against said deflection surface which urges said side latching surfaces into engagement with said cover latching surfaces.

Claim 20

A wiring duct comprising: a base including a first substantially planar member having a pair of sides extending transversely therefrom, and a cover having cover latching means at each side for engaging said base to releasably secure said cover to said base, each side terminating with a side latching means to releasably secure said cover to said base, said cover latching means at each side comprising an outside arm and an inside arm, each of said arms having arm latching means for simultaneous engagement with a corresponding side latching means, each side latching means having a pair of planar side latching surfaces facing away from said cover, each of said arm latching means having a planar cover latching surfaces facing away from said base, said inside arm extending from said cover at an angle away from said outside arm, said side latching means having a deflection surface disposed at an angle for engagement with said inside arm when said cover and base are assembled to prevent movement of said cover relative to said base by applying a force against said deflection surface which urges said side latching surfaces into engagement with said cover latching surfaces.

Claim 21

The wiring duct of claim 14 wherein each of said side latching means is in the shape of an arrowhead and said side latching surfaces are disposed adjacent the widest portion of said arrowhead.

Claim 22

The wiring duct of claim 15 wherein said inside arm has a thickness that is less than the thickness of said outside arm.

Claim 23

The wiring duct of claim 14 wherein said inside arm is disposed at an angle from vertical that is less than the angle of said deflection surface.

Claim 24

The wiring duct of claim 17 wherein said inside arm has a thickness that is less than the thickness of said outside arm.

Claim 25

The wiring duct of claim 17 wherein the width of said arrowhead is larger than the spacing between said outside arm and said inside arm.

Claim 26

The wiring duct of claim 14 wherein said inside arm has a thickness that is less than the thickness of said outside arm.

Claim 27

The wiring duct of claim 14 wherein the width of said arrowhead is larger than the spacing between said outside arm and said inside, arm.

Claim 28

The wiring duct of claim 14 wherein each of said cover latching surfaces engages its corresponding side latching surfaces on a line, said lines lying in a plane substantially parallel to the planar member of said base.

Claim 29

The wiring duct of claim 14 wherein each of said sides is provided with an abutment surface for positioning a tool to remove said cover.

Claim 30

The wiring duct of claim 14 wherein each of said cover latching surfaces is disposed at an angle of between 30 and 50 degrees relative to its corresponding side latching surface.

Claim 31

The wiring duct of claim 24 wherein said angle is 40 degrees.