Patent ID: 8313215

Claim:
A light holder comprising: (a) a suspension tie having upper and lower ends; (b) a wire cradle fixedly attached to or formed wholly with the suspension tie's lower end; (c) a friction arm having upper and lower surfaces, and having longitudinal and oppositely longitudinal ends, the friction arm's longitudinal end being fixedly attached to or formed wholly with the suspension tie's upper end; (d) a matrix of knurls, each knurl among the matrix of knurls extending upwardly from the friction arm's upper surface or extending downwardly from the friction arm's lower surface; and (e) a matrix of concavities underlying the matrix of knurls; the friction arm's fixed attachment or whole formation comprising a curved transition, and the matrices of knurls and concavities extending over the curved transition, the suspension tie, and the wire cradle; each knurl among the matrix of knurls having a rhombus shaped periphery and wherein each concavity among the matrix of concavities has a rhombus shaped periphery.