Fasteners

Nov. 25, 1958

2,861,318

E. B. FERNBERG

FASTENERS Filed Jan. 26, 1954

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ATTORNEY

United States Patent Office , 2,861,318

Patented Nov. 25, 1958 indicated generally at 20 in Figure 1. It will be seen that the blank is formed with four symmetrically placed cut-away areas 21, 22, 23 and 24 leaving four triangular prongs 25, 26, 27 and 28 respectively, which are bent out ^the Y ^Str'^p’ ^{a11 On tbe same side} thereof, ine ends of the blank are also cut-away as at 29 30 31 and 32. ’ ’

The ends 33 and 34 of the blank are then folded back on themselves about the lines 35 and 36 respectively again on the same side of the strip, and the central body portion 37 of the strip is bowed cylindrically to the shape best shown in Figure 3.

The finished clip is then rendered resilient and rustproof in any known or suitable way.

^Pr?^{eDt invention} is used in the manner illustrated in Figure 7.

1^?°*? n^{D figure}’ ^tbe Rexine or the like 38 is lapped partially around the metal tube 39 and is folded •uwardly on itself at 40. At spaced intervals along the tube clips are secured over the folded edge of the Rexine ^and over the tube, each clip snapping over the tube into 27 frTTnf J%^d° -^thiS °^{De Pair of} P^ronS^s 26 and whX ? ^{the Rexlne}’ while ΰ lies on the tube, ²⁵ oir th i^{8 f}°^Ided’^{and then the bod}y of the clip is pressed over the tube until the other pair of prongs 25 and 28 “^ap°^V_t^{er he} Γ -^{est part of the tube}· ^{The fab}rie may extend to any desired distance around the tube, short of ^thc u^pper ^Pr°^{ng 28}’ ^{The foldin}£ is not essential.

¹ thrJmnK^PIk^D n ²·^{6 Md 27 may or may not} Pass right on toto^tnh^h '· ^{K they d}° ^not’ ^{then the cli}P ^hoIdsend ?h?n ^{be fn 1On at this point}’ while at the other end the prongs bite into the metal of the tube.

. t?.^tbe “^odi^fied f°^rm of clip indicated generally at 41 are fomed S’ J°^{Ur prongs such as} those shown at 41A the ^{shearmg away a} Portion of each end of nv haewt I ^f&lt;?^{Ur tnangular} Portions and then foldWh™ ™ P^ortl°ns to constitute the prongs.

JSJXir ^w“ in^{Of sucb di}P^s may be increased by formin! ^Sh°^{Wn ln Flgures 9} and 10, with a reinforcing ridge 42 running around the body portion but stooping short of the folded ends. Alternatively, and for toe ^{be snapped over} body porat43 to Haurp^Pit^a f^r,^einforcr^{lng s}P^ring of the kind shown ^at a· ? ^{F 8 Π}’^the reinforcing spring being preferably of thicker material than the pronged clip P^reIeraWy

Several advantages accrue to the fasteners of this to vention, as compared with those known Stoerto For example, the edge of the Rexine or like cove tin mateS ?^{eed to be trimmed} to ^a straigh edge since it is folded back as at 40 (Figure 7) oLtof J terij*¹ At ^atS^achnient i^{here is a} saving of the same maobtrusivMn?1 ^{me the cIips are} invariably unsight. ^{4 CaSeS are com}P^letely hidden from advance of K ^{of attachin}f fabric to a tube has the ., c u j being cheap and quick to carry out while ^tbe^u'^Sbedi ^artlcIe is neat and firmly held