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US 4,543,149 AGranted
Strip supplying apparatus
AssigneeBridgestone Corporation
InventorsNorio Abe, Yoshiaki Kawahara
Life of this patent
Estimating the term…
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AssigneeBridgestone Corporation
InventorsNorio Abe, Yoshiaki Kawahara
Estimating the term…
A strip supplying apparatus comprising a stationary frame structure, a movable frame structure movable with respect to the stationary frame structure along the side wall of the stationary frame structure and having a plurality of winding reels rotatable on the movable frame structure about an axis of rotation substantially in parallel with a direction in which the movable frame structure are moved with respect to the stationary frame structure, the winding reels being spaced in an equal pitch to each other, drive unit mounted on the stationary and movable frame structures for driving the movable frame structure to move with respect to the stationary frame structure by the pitch; unwinding unit mounted on the stationary frame for unwinding a strip unwound from each of the winding reels, joining unit mounted on the stationary frame structure for joining the trailing and leading end portions of the strips unwound from two adjacent winding reels, the unwinding and joining unit being held in line with one of the winding reels, detecting unit for detecting the trailing end portion of the strip unwound from the winding reel to produce a signal to drive the movable frame structure to move with respect to the stationary frame structure by the pitch; and tension adjusting unit for adjusting tension of the strip fed from the unwinding unit.
A strip supplying apparatus comprising in combination,
A strip supplying apparatus as set forth in claim 6, which further comprises cutting means comprising a fixed cutting member securely mounted on said stationary frame structure between said joining means and said drive means, a power cylinder securely mounted on said stationary frame structure and extending toward said fixed cutting member, the power cylinder having a piston rod projectable toward and retractable away from said fixed cutting member, and a movable cutting member securely connected to the leading end of said piston rod of said power cylinder, the movable cutting member being operative to cut said strip together with said fixed cutting member when said piston rod of said power cylinder projects toward said fixed cutting member.
Dependencies are inferred from the claim text.