Patent ID: 7661634

Claim:
A connector device for connecting a supported member to a support structure including spaced apart shoulders defining a slot, said device comprising: (a) an attachment structure configured to enable attachment to a supported member; (b) a slot engagement structure connected to said attachment structure and including: (1) a key plate sized in a first dimension to enable reception through a slot of a support structure and sized in a second dimension to enable engagement of said plate with shoulders defining the slot; and (2) an octagonal neck connecting said key plate in spaced relation to said attachment structure, said neck being sized no larger than said key plate in said first dimension and sized less than said key plate in said second dimension; (c) said key plate and said neck cooperating in such a manner as to enable insertion of said key plate through the slot with said key plate oriented to position said first dimension across the slot and enabling engagement of said key plate with the shoulders by rotation of said key plate to position said second dimension across the slot to thereby connect said connector device to the support structure; (d) first and second pairs of opposite clearance facets connected with said opposite sides of said key plate; and (e) first and second pairs of opposite relief facets connected with said opposite corners of said key plate.