Improvements in and relating to fastener-secured installations and to fasteners therefor

摘要

404,590. Fastenings. UNITED-CARR FASTENER CORPORATION, 31, Ames Street, Cambridge, Massachusetts, U.S.A.- (Assignees of Jolmson, G.; 16, Burnell Road, West Roxbury, Suffolk, Massachusetts, U.S.A.) Sept. 22, 1933, No. 26205. Convention date, Oct. 3, 1932. [Class 44.] A sheet - metal fastening, particularly for attaching a moulding 1 to a structure 2, consists of a base portion 3 carrying resilient hooked tongues 5 which are passed through a circular hole 6 in the structure 2 and between inturned flanges 7 on the moulding 1, and, on rotation of the fastening through 90‹, engage with the flanges 7 as shown in Fig. 2. The fastening may be turned by a screw-driver engaged with a slot 10. The base portion 3 may be curved to provide for securing together members of different thicknesses.