Low profile protective insert for sewers

Claim 2

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members, extending perpendicularly thereto, and adapted for positioning completely within one of said longitudinal openings; and means for attaching said insert to a sewer grating.

Claim 3

A protective insert for sewer gratings as set forth in claim 1, said means for connecting comprising at least two longitudinal members, each being positioned proximate respective opposed ends of said cross members.

Claim 4

A protective insert for sewer gratings as set forth in claim 1, further comprising means attached to said insert for preventing interference between the same and snow plows.

Claim 5

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least two longitudinal members, each being positioned between said cross members, extending perpendicularly thereto and proximate respective opposed ends thereof, and adapted for positioning completely within one of said longitudinal openings; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of thE sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 6

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least two longitudinal members, each being positioned between said cross members, extending perpendicularly thereto and proximate respective opposed ends thereof, and adapted for positioning completely within one of said longitudinal openings; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of thE sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 7

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members, extending perpendicularly thereto, and adapted for positioning completely within one of said longitudinal openings; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of the sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 8

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members, extending perpendicularly thereto, and adapted for positioning completely within one of said longitudinal openings; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of the sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 9

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members, extending perpendicularly thereto, and adapted for positioning completely within one of said longitudinal openings; means for attaching said insert to a sewer grating; and means attached to said insert for preventing interference between the same and snow plows, said means for preventing interference comprising a further longitudinal member attached to the upper surfaces of said cross members, said further longitudinal member having opposed ends and being positioned so as to extend substantially parallel to one of such longitudinal openings, said opposed ends being deformed in a downward direction whereby the remote portions thereof terminate beneath the plane of the upper edges of said wall dividers.

Claim 10

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members, extending perpendicularly thereto, and adapted for positioning completely within one of said longitudinal openings; means for attaching said insert to a sewer grating; and means attached to said insert for preventing interference between the same and snow plows, said means for preventing interference comprising a further longitudinal member attached to the upper surfaces of said cross members, said further longitudinal member having opposed ends and being positioned so as to extend substantially parallel to one of such longitudinal openings, said opposed ends being deformed in a downward direction whereby the remote portions thereof terminate beneath the plane of the upper edges of said wall dividers.

Claim 11

A protective insert for sewer gratings as set forth in claim 6, said means for connecting comprising at least two longitudinal members, each being positioned proximate respective opposed ends of said cross members.

Claim 12

A protective insert for sewer gratings as set forth in claim 7, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being adapted for force fitting through said longitudinal openings past respective wall dividers of the sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 13

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overLying relation on the upper edges of the wall dividers of such a sewer grating for support thereby, and each of said cross members comprising flat metal stock so as to exhibit a low profile; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members, extending perpendicularly thereto, and adapted for positioning completely within one of said longitudinal openings; and means for attaching said insert to a sewer grating.

Claim 14

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overLying relation on the upper edges of the wall dividers of such a sewer grating for support thereby, and each of said cross members comprising flat metal stock so as to exhibit a low profile; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members, extending perpendicularly thereto, and adapted for positioning completely within one of said longitudinal openings; and means for attaching said insert to a sewer grating.

Claim 15

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least two longitudinal members, each being positioned between said cross members and extending perpendicularly thereto and proximate respective opposed ends thereof; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of the sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 16

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least two longitudinal members, each being positioned between said cross members and extending perpendicularly thereto and proximate respective opposed ends thereof; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of the sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 17

A protective insert for sewer gratings as set forth in claim 10, at least one of said two longitudinal members having opposed ends and being positioned so as to extend substantially parallel to one of such longitudinal openings, said opposed ends being deformed in a downward direction whereby the remote portions thereof terminate beneath the plane of the upper edges of said wall dividers.

Claim 18

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members and extending perpendicularly thereto; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of the sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 19

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for support thereby; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members and extending perpendicularly thereto; and means for attaching said insert to a sewer grating, said means for attaching comprising a plurality of substantially rigid downwardly extending prong members, each being coupled to said means for connecting, and each being adapted for force fitting through said longitudinal openings past respective wall dividers of the sewer grating, whereby enlarged prong portions of said prong members may be located beneath respective lower edges of wall dividers to preclude removal of said insert.

Claim 20

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for sUpport thereby, and each of said cross members comprising flat metal stock so as to exhibit a low profile; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members and extending perpendicularly thereto; and means for attaching said insert to a sewer grating.

Claim 21

A protective insert for sewer gratings, which include a plurality of substantially parallel interstitial wall dividers being substantially coplanar at the upper edges thereof and defining a plurality of longitudinal openings therebetween, comprising: a plurality of cross members, said cross members being substantially coplanar and parallel with respect to each other for positioning in overlying relation on the upper edges of the wall dividers of such a sewer grating for sUpport thereby, and each of said cross members comprising flat metal stock so as to exhibit a low profile; means for connecting said cross members together in such substantially coplanar and parallel relation, said means for connecting including at least one longitudinal member positioned between said cross members and extending perpendicularly thereto; and means for attaching said insert to a sewer grating.

Claim 22

A protective insert for sewer gratings as set forth in claim 13, said at least one longitudinal member being attached to the upper surfaces of said cross members, and extending substantially parallel to one of such longitudinal openings, and having opposed ends deformed in a downward direction whereby the remote portions thereof terminate beneath the plane of the upper edges of said wall dividers.