| 摘要 |
1,209,774. Stud and socket fastenings; wall formwork. THORSMAN & CO. A.B. 6 Nov., 1967 [4 Nov., 1966], No. 50265/67. Headings E1S and E2B. An assembly comprising a hollow article such as a distribution or apparatus box held against a form wall 12 by means of a fastener comprising a pin 21 extending centrally through the article and into a hole 24 in the form wall, said pin being provided at one end with a clamping element 20 abutting the side 2 of the article remote from the form wall, a bore extending through the clamping element and the pin, and a securing member 25 in the bore which expands the opposite end portion of the pin to secure the article to the form wall. As shown the free end portion of the hollow pin is axially slotted and the clamping element has two oppositely directed arms. The clamping element can alternately be a circular plate. The hollow pin and the clamping element can be made in one piece if desired. |
