Expansion joint cover assembly

Claim 2

An expansion joint cover assembly for structural sections disposed in spaced relation and defining an elongated joint therebetween, at least one of said sections including a horizontal upper surface said assembly comprising: a. first and second elongated base members each adapted to be secured to a respective one of a first and second spaced structural sections in opposed relation, said base members each having a surface spaced below said upper surface and intersecting a joint face of the respective structural section, said base member surface being inclined relative to said upper surface; b. an elongated bridging member for spanning a joint for the length thereof between the structural sections, said bridging member having opposite side edge portions each slidingly engaging said surface of a respective one of said base members; and c. a cured resilient joint filler material positioned for supporting engagement by said bridging member and having opposite side edges thereof each bonded to a respective one of said base members, said joint filler material having an exposed surface coplanar with said horizontal upper surface; said inclination of the surfaces of the base members and the sliding engagement of said side edge portions of bridging member therewith cooperating in response to movement of the structural members for maintaining of the upper surface of the filler material substantially level with said horizontal upper surface of said sections.

Claim 3

An expansion joint cover assembly as set forth in claim 1 wherein: a. said surFace of each of said base members is inclined at an acute angle relative to the exposed surface of the respective structural section; and b. said bridging member has a center portion positioned closer to the upper surface of said joint filler material than said opposite side edge portions thereof whereby the center portion of said bridging member is moved relative to the exposed surface of said joint filler material in response to relative movement of the structural sections to accommodate flow of said joint filler material and substantially maintain said upper surface level with said upper surfaces of the sections.

Claim 4

An expansion joint cover assembly as set forth in claim 2 wherein: a. said joint filler material has a center portion thereof bonded to the center portion of said bridging member; and b. means are positioned between adjacent surfaces of said joint filler material and said bridging member to prevent bonding of said joint filler material to said bridging member except at the respective center portions thereof.

Claim 5

An expansion joint cover assembly for structural sections disposed in spaced relation and defining an elongated joint therebetween said sections including a horizontal upper surface, said assembly comprising: a. a pair of elongated base members each adapted to be secured to a respective one of a pair of spaced structural sections in opposed relation, said base members each having an end wall extending substantially parallel with a joint face of the respective structural section and a base wall intersecting the joint face of the respective structural section, said base walls having upper surfaces inclined at an acute angle to said upper surface of the sections; b. an elongated bridging member for spanning a joint between the structural sections, said bridging member having opposite side edge portions each slidingly engaging said upper surfaces of the base wall of a respective one of said base members; and c. a cured resilient joint filler material positioned in engagement with said bridging member and having opposite side edges thereof each bonded to said end wall of a respective one of said base members, said joint filler material substantially filling the cavity between said end walls and the bridging member and said upper surfaces of the sections and having an exposed surface substantially coplanar with respective upper surfaces of the structural sections.

Claim 6

An expansion joint cover assembly for structural sections disposed in spaced relation and defining an elongated joint therebetween said sections including a horizontal upper surface, said assembly comprising: a. a pair of elongated base members each adapted to be secured to a respective one of a pair of spaced structural sections in opposed relation, said base members each having an end wall extending substantially parallel with a joint face of the respective structural section and a base wall intersecting the joint face of the respective structural section, said base walls having upper surfaces inclined at an acute angle to said upper surface of the sections; b. an elongated bridging member for spanning a joint between the structural sections, said bridging member having opposite side edge portions each slidingly engaging said upper surfaces of the base wall of a respective one of said base members; and c. a cured resilient joint filler material positioned in engagement with said bridging member and having opposite side edges thereof each bonded to said end wall of a respective one of said base members, said joint filler material substantially filling the cavity between said end walls and the bridging member and said upper surfaces of the sections and having an exposed surface substantially coplanar with respective upper surfaces of the structural sections.

Claim 7

An expansion joint cover assembly as set forth in claim 4 wherein: a. said bridging member has a center portion positioned closer to the exposed surface of said joint filler, material than said opposite side edge portions thereof; and b. said base wall of each of said base members is angularly inclined to define an acute angle with said end wall of said respective base member whereby the center portion of said bridging member is moved relative to the exposed surface of said joint filler material in response to relative movement of the structural sections to accommodate flow of said joint filler material.

Claim 8

An expansion joint cover assembly as set forth in claim 4 wherein: a. said joint filler material has a center portion thereof bonded to a center portion of said bridging member; and b. means are positioned between adjacent surfaces of said joint filler material and said bridging member to prevent bonding of said joint filler material to said bridging member except at the respective center portions thereof.

Claim 9

An expansion joint cover assembly as set forth in claim 6 wherein: a. each of said base members has a face portion extending from said base wall thereof and adapted to be substantially coplanar with the joint face of the respective structural section; b. said base wall of each of said base members is angularly inclined to define an acute angle with said respective face portion; and c. said bridging member has a generally arch-shaped cross section whereby the center portion of said bridging member is moved relative to the exposed surface of said joint filler material in response to relative movement of the structural sections to accommodate flow of said joint filler material.

Claim 10

An expansion joint cover assembly for structural sections disposed in spaced relation and defining an elongated joint therebetween, said sections including a horizontal upper surface, said assembly comprising: a. a pair of elongated base members each having an end wall extending substantially parallel with a joint face of a respective one of a pair of spaced structural sections in opposed relation and a base wall having an upper surface intersecting the joint face of the respective structural section, said upper surface of the base wall being spaced below said upper surface of the structural section and inclined relative thereto; b. means for securing each of said base members to a respective one of the structural sections; c. an elongated bridging member for spanning a joint between the structural sections, said bridging member having opposite side edge portions and each slidingly engaging the upper surface of the base wall of a respective one of said base members, said bridging member having a generally arch-shaped cross section; and d. a cured resilient joint filler material positioned in engagement with said bridging member and having opposite side edges thereof each bonded to said end wall of a respective one of said base members, said joint filler material substantially filling the space between said end walls, bridging member and upper surfaces and having an exposed surface substantially coplanar with respective exposed surfaces of the structural sections, the opposite side edges of said joint filler material, said inclination of said upper surfaces of the base wall and sliding engagement of side edge portions of the bridging member therewith cooperating to substantially maintain the coplanar relationship of the exposed surface of the filler material and upper surfaces of the sections through expansion and contraction of the joint.

Claim 11

An expansion joint cover assembly for structural sections disposed in spaced relation and defining an elongated joint therebetween, said sections including a horizontal upper surface, said assembly comprising: a. a pair of elongated base members each having an end wall extending substantially parallel with a joint face of a respective one of a pair of spaced structural sections in opposed relation and a base wall having an upper surface intersecting the joint face of the respective structural section, said upper surface of the base wall being spaced below said upper surface of the structural section and inclined relative thereto; b. means for securing each of said base members to a respective one of the structural sections; c. an elongated bridging member for spanning a joint between the structural sections, said bridging member having opposite side edge portions and each slidingly engaging the upper surface of the base wall of a respective one of said base members, said bridging member having a generally arch-shaped cross section; and d. a cured resilient joint filler material positioned in engagement with said bridging member and having opposite side edges thereof each bonded to said end wall of a respective one of said base members, said joint filler material substantially filling the space between said end walls, bridging member and upper surfaces and having an exposed surface substantially coplanar with respective exposed surfaces of the structural sections, the opposite side edges of said joint filler material, said inclination of said upper surfaces of the base wall and sliding engagement of side edge portions of the bridging member therewith cooperating to substantially maintain the coplanar relationship of the exposed surface of the filler material and upper surfaces of the sections through expansion and contraction of the joint.

Claim 12

An expansion joint cover assembly as set forth in claim 8 wherein: a. said joint filler material is a polyurethane elastomer; b. the center portion of said joint filler material is bonded to the center portion of said bridging member; and c. means are positioned between adjacent surfaces of said joint filler material and said bridging member to prevent bonding of said joint filler material to said bridging member except at the respective center portions thereof.

Claim 13

An expansion joint cover assembly as set forth in claim 9 wherein: a. each of said base members has a face portion extending from said base wall thereof and adapted to be substantially coplanar with the joint face of the respective structural section; b. said face portions each are adapted to be secured to the respective structural section; and c. said base wall of each of said base members is angularly inclined to define an acute angle with said respective face portion whereby the center portion of said bridging member is moved relative to the exposed surface of said joint filler material in response to relative movement of the structural sections to accommodate flow of said joint filler material.

Claim 14

An expansion joint cover assembly as set forth in claim 8 including: a. a face portion for each of said base members and extending from said base wall thereof, said face portions each being adapted to be substantially coplanar with the joint face of the respective structural section; and b. a flange extending from a free end of each of said face portions and adapted to engage an interface between the respective structural section and finishing material thereon.