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Film unwind system with hinged spindle and electronic control of web tension
A film supply apparatus supplying film in a foam-in-bag system having a film feeding device for feeding film from a film source to a location for bag formation, a bag forming apparatus, a foam material dispenser positioned for feeding foam material for reception in a bag of the bag forming apparatus, and a web tensioning system with a web tensioning driver in driving communication with the film source and which is in communication with a controller for monitoring the film feed and web tension states and directing adjustments in the web tension system. The web tensioning driver is arranged to move film backwards or in a direction opposite to a direction of film feed induced by the film feeding means and with the film source including a roll of film and the web tensioning system including a drive transmission in communication with the roll of film for rotational driving of the roll of film and also in communication with web tensioning driver. There is further featured a spindle support for supporting the roll of film and a roll film core drive insert.
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| Film+unwind+system+with+hinged+spindle+and+electronic+control+of+web+tension |
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Strap reel support device for a strap reel stand
A strap reel support device for a strap reel stand includes a telescopic rod unit pivotally fitted on a transverse shaft secured on the upper center of a frame body. The telescopic rod unit is equidistantly secured thereon with three main rods radially extending outward and respectively fitted therein with a telescopic support rod. The three support rods of the telescopic rod unit are able to be adjusted to extend outward or contract inward to have their outer ends pushing and supporting the inner wall of different-sized packing strap reels. An inner disc and an outer disc are fitted on the shaft of the stand body for restricting and positioning the inner and the outer side of the packing strap.
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| Strap+reel+support+device+for+a+strap+reel+stand |
Progressive resistance lifting mechanism for a window covering
A lifting mechanism is provided for a window covering which allows a bottom rail of the window covering to maintain a static position unless raised or lowered by a user. The lifting mechanism is included within either a top or bottom rail of the window covering. The lifting mechanism includes cords which pass from a rail including the lifting mechanism to a rail not including the lifting mechanism and about cord redirectors located within the rail including the lifting mechanism. The lifting mechanism includes spools and associated springs for gathering excess portions of the cord thereon. A progressive resister is coupled to the spools with the progressive resister providing different amounts of resistance to spool rotation depending on the amount of cord upon each spool.
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| Progressive+resistance+lifting+mechanism+for+a+window+covering |
Recording tape cartridge
In a recording tape cartridge, an inclined opening obtained by notching a corner portion on the side of loading to a drive apparatus is closed when a door is in a close position in which the door is inclined from a direction matching the loading direction and is open when the door is in an open position along a right side wall. The door is guided by first and second guide grooves and moves between the close position and the open position while changing its orientation by a urging force of a compression coil spring disposed along the right side wall or a moving force transmitted from an operation projection which comes into engagement with the engagement member of the drive apparatus.
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| Recording+tape+cartridge |
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