Apparatus for operating cameras in which component strips of a film are exposed in succession

Claim 1

IN A CAMERA, IN COMBINATION, SUPPORT MEANS FOR SUPPORTING A TAKE-UP SPOOL FOR ROTARY MOVEMENT, SAID TAKEUP SPOOL HAVING A HUB FORMED WITH A SLOT THROUGH WHICH A LEADING END OF A FILM STRIP IS ADAPTED TO PASS TO BE ATTACHED TO THE SPOOL AND WOUND THEREON; FILM GUIDE MEANS SUPPORTED BY SAID SUPPORT MEANS FOR FREE MOVEMENT TO AND FROM A POSITION WHERE A FREE END OF SAID GUIDE MEANS IS ALIGNED WITH SAID SLOT TO DIRECT THE LEADING END OF A FILM STRIP THROUGH SAID SLOT INTO SAID HUB, SAID GUIDE MEANS HAVING AN ELONGATED CURVED PORTION EXTENDING UP TO AND INCLUDING SAID FREE END THEREOF AND PRESENTING TO A FILM STRIP WHICH ADVANCES TOWARD SAID HUB A CONCAVE SURFACE PROMOTING IN THE FILM STRIP, WHEN THE LEADING END OF THE FILM STRIP ENCOUNTERS IN THE HUB A SURFACE PREVENTING FURTHERE MOVEMENT OF THE FILM STRIP INTO THE HUB WHILE THE FILM CONTINUES TO ADVANCE TOWARD THE HUB, THE FORMATION OF A BULGE WHICH INCREASES IN SIZE DURING THE CONTINUED ADVANCE OF THE FILM STRIP TOWARD THE HUB AND PRESSES AGAINST SAID GUIDE MEANS TO URGE THE LATTER AWAY FROM SAID HUB; DIRECTING MEANS CARRIED BY SAID SUPPORT MEANS FOR DIRECTING THE FILM STRIP, WHILE IT ADVANCES TOWARD THE HUB, ALONG A PATH WHICH PLACES THE FILM STRIP IN ENGAGEMENT WITH SAID CONCAVE SURFACE OF SAID GUIDE MEANS TO SLIDE THEREALONG, SO THAT THE FILM STRIP WILL BUGLE BETWEEN THE SLOT OF THE HUB AND A SURFACE PORTION OF SAID GUIDE MEANS; AND YIELDABLE MEANS URGING SAID GUIDE MEANS TOWARD SAID HUB WITH A FORCE WHICH IS TOO SMALL TO PREVENT MOVEMENT OF SAID GUIDE MEANS GUIDE MEANS AWAY FROM SAID HUB AS THE BULGE IN THE FILM STRIP INCREASES IN SIZE AND PRESSES WITH AN INCREASING FORCE AGAINST SAID GUIDE MEANS, THE SPACE WHICH IS LOCATED AT THAT SIDE OF SAID GUIDE MEANS WHICH INCLUDES SAID CONCAVE SURFACE BEING LARGE ENOUGH TO PROVIDE UNOBSTRUCTED FORMATION OF THE FILM BULGE WHICH URGES SAID GUIDE MEANS IN OPPOSITION TO SAID YIELDABLE MEANS AWAY FROM SAID HUB.