摘要 |
1493543 Filing papers HERBERT ZIPPEL GmbH & CO KG 6 Feb 1976 [17 Feb 1975] 04682/76 Heading B6E A quick release mechanism 1 for a filing folder comprises a hollow, plastics tube whose central portion 3 is secured to the folder 5 by a fillet 4 and hollow rivets and whose end portions 2 are passed through holes in a clamping bar 9 provided with flanges 14 from the underside of which depend ribs 15 forcing the end portions 2 into contact with the underlying loose-leaves. |