| 摘要 |
659,212. Anchor nuts and screws; fastenings. TINNERMAN PRODUCTS, Inc. April 20, 1949, No. 10513. Convention date, July 26, 1948. [Classes 44 and 89(i)] A sheet metal fastener for securing a nut N, Fig. 4, to a supporting member P comprises a box 11 seating round an aperture 1 on the member P and having arms 12 bent over at 13 to hold the nut. Arms 18 extend from the arms 12 through the aperture and are bent at 19 to engage the underside of the support. Lugs 15 on the base confine the nut between the arms 12 and flanges 16 locate the fastener on the support. When intended to hold rivets o-,- like headed studs the lugs 15 are omitted. In a modification the flanges 13 are omitted also and the flanges 16 have inclined notched tongues extending inwards to engage the thread of the bolt or the shank of the stud. |
