Patent ID: 11920355
Assignee: 0776425 B.C. LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 18:
19. An attachment system for attaching a piece of material to a building, the attachment system comprising:
a support member having a channel at least partially defined by opposing first and second flange portions;
a clip, having—
a base,
a first wall projecting away from the base, the first wall including a first laterally outward facing pocket configured to operably receive the first flange portion; and
a second wall projecting away from the base opposite the first wall, the second wall including a second laterally outward facing pocket configured to operably receive the second flange portion, and

a locking device having an arm rotatable between an unlocked position in which the arm is generally parallel to the first wall and a locked position in which the arm extends between the first wall and the second wall, wherein the locking device is configured to rotate about a pivot axis, wherein the arm includes a first locking surface portion and a first web portion extending between the pivot axis and the first locking surface portion and positioned offset from the pivot axis, and wherein, in the locked position, a force exerted along the first web portion by interaction of the first locking surface portion with the second wall imparts a torque on the locking device biasing the locking device toward the locked position.