US 1201338 A
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Description (OCR text may contain errors)
J. E. ORR.
FRAME FOR METAL SCREENS APPLacATioN FILED uLc.21.1915.
Patented ft. 17, 19M,
lith-d over the flange n?, thus pivoting the pai-ls together aud the opposite edges are then snapped together as in the other form defrrllu-fl.
l-n Fig. I. l show a lorin of bar whieliis uped on the side nl" the frame when grooves ,are needed to embrare strips on the windoweasing, the ehannel member and closing member being joined together on the'same principhl asralieady deseribed. Referring to Fig. I the mlge or rim lf" is extending outwardli 4to. forni one side of a groove and a loop or lold uf' is for'ined on the correspondin;r portion of the channel member form-ing au extension of the "welt form :i groove or rhaiiiielin the bar when the saine is used on the side of a frame slidin gl on guides. frame bar formed in this manner may be rectangular in sertidii it is substantially smooth on the outside, it may be formed in to a frame in'any well known manner and the two parts when pressed together are firmly hie'ked so that they will not he separatedby any ordinary treatment.u
When it is desired to'separate the parts for putting innew wire nettingor for any other purpose' either; the' riin /Qor '11 is releasing tlie wire nettingf.-
foi-eedv up separating the two members and The parts are so shaped 'that thely1 may be. forinedin "strips'by'A the rolling process, be-
way injuring'any oftl'ie-pai-ts. i.
No special toolsjare needed t' ,put
gage inateriah Any/spreading of the channel member results in a serions defect in the soreen ,caused luyits liability 'tofspread ink *equalli'yh is also liableto vary the. dimensions fof.A the made up frame. l
On some large screens it i'nay 'oe possible to do away with the loop b by making'the lateral eoir'iu'gations of ,the ,closing member long enoughv to' take the contraction Caused i;y springing thev two-members together. `It
These two folds. lateralresiliency.`
uit screen togethe'rfthe channel member and the.v
closing memberfsinply being pressed toi a strip having consisting of a strip haring its edges turned turned to forni beads anda closing memberinwardly and downwardly and formed tov embrace said heads andelampthe 'wire nettiiigaround. one of said beads, the said strip haring formed 'therein a downwardly 'extending longitudinal',fold or loop to give it'A Ajfiame barfoi metal screen frames in- .veluding a Channel member having its edges turned inwardlyv to form -beads and a closing meniber Consisting of a strip having its edges Vturned inwardly7 and do\\'n\\'ardly and formed 'to embrace said beads and to clamp the wire ne-ttiiig, the said strip having formed therein a downwardly extending longitudinal fold or loop to give lateral resilienre to the "closing member.
s v A v .i. A frame bar for metal screen frames inc'luding a c l-iannel member having `side flanges anda closing member consisting of a lstrip having formed therein -a downwardly extending longitudinal fold orloop to give 5 lateral resiliency, the edges 'of the strip and .90 the edges-of the "flanges being' fornied toin-1 Lei'loek and Clamp the wire netting whenl pressed together.'
4, frame 'liar foi'inetal screen frames ineludiiig a channel member haring side hangesand a Closing n'ienibe'r vconsisting of a downwardly extending toldJ oifloop to gire lateralrresiliency and having its lateral portions turnediinderto-form exposed'rini's and thence being turned downgvardly to interlock with theedges oisaid channel member and clamp the wirenettiig in plaee.-
ing a Channel member having a web portion and fiange portions and a closing member consisting of a strip turnedl under at litsA longitudinal groove in the'frame bar.
In i testimony signature.
whereof I have aliixedmy JOHN E. OR-R.
5. A frame bar for metal screens including rims being extended laterally to form 'a