Vehicle seat trim covers with knitted attachment structures formed with heat-activated yarns

1. A knitted seat trim cover for attachment to a vehicle seat, the knitted seat trim cover comprising:

a knitted trim panel configured to be installed over at least one foam support member of the vehicle seat; and

a fastener member integrally knitted in the knitted trim panel, the fastener member configured to connect the knitted trim panel to the vehicle seat, the fastener member including an extension portion that projects from the knitted trim panel and a male connector positioned at a distal end of the extension portion,

wherein the extension portion of the fastener member is not made of a heat-activated yarn and the male connector is made of the heat-activated yarn.

2. The knitted seat trim cover of claim 1 , wherein the heat-activated yarn is a bonding yarn configured to stiffen the fastener member after heat is applied to the fastener member.

3. The knitted seat trim cover of claim 2 , wherein the male connector has a rounded shape and is configured to releasably connect inside a female connector of a complimentary fastener member located on the vehicle seat.

4. The knitted seat trim cover of claim 3 , wherein a portion of the bonding yarn in the male connector melts when the heat is applied and hardens after the male connector cools.

5. The knitted seat trim cover of claim 2 , wherein the fastener member includes a hook portion at a distal end thereof, the hook portion configured to releasably connect to a complimentary fastener member located on the vehicle seat.

6. The knitted seat trim cover of claim 5 , wherein the hook portion is integrally knitted with the bonding yarn and is configured to harden in a J-shape after heat is applied to the fastener member.