摘要:
A needle (51) particularly well-suited for use in the dispensing of plastic fasteners (21) of the type comprising a filament (15) having a cross-bar (23-1, 23-2) at a first end thereof, each of the cross-bar (23-1, 23-2) and the filament (15) including a first flat side, the first flat sides of the cross-bar (23-1, 23-2) being coplanar. The needle (51) includes a stem portion (53). The stem portion (53) terminates in a tip (57) at its front end and is shaped to define a longitudinal bore (59) and a longitudinal slot (61) for receiving the filament (15) and the cross-bar (23-1, 23-2). The longitudinal bore (59) has a first flat side, and the longitudinal slot (61) has a first flat side, wherein the flat sides are coplanar.
摘要:
According to one embodiment, the plastic fastener comprises a flexible filament having a length of about 4.3 mm and a tensile strength of about 2 pounds, a first transverse bar located at one end of the flexible filament, and a second transverse bar located at the opposite end of the flexible filament. The fastener clip, which preferably does not contain a runner bar, comprises a plurality of identical fasteners of the aforementioned type, each of the fasteners being arranged in a parallel, side-by-side, spaced relationship. A connector post connects the first transverse bars of adjacent fasteners, and a connector post connects the second transverse bars of adjacent fasteners. An extra transverse bar is connected by a connector post to the first transverse bar of the last fastener, and another extra transverse bar is connected by a connector post to the second transverse bar of the last fastener, the extra transverse bars not being interconnected by a flexible filament.
摘要:
A needle useful in the dispensing of plastic fasteners. In one embodiment, the needle includes a shank portion and a base portion, the shank portion having a front section shaped to define a spoon-shaped tip. The tip has a blunt point with a radius approximately twice that of conventional needles. The distance from the point to where the tip reaches full diameter is approximately 80% of the distance typically found in conventional needles, and the full diameter of the tip is less than that in conventional needles. The side profile of the top edges of the tip are flat or downwardly-curved as opposed to being upwardly-curved in conventional needles. The distance across the tip at its widest point between opposing top edges is less than that in conventional needles.
摘要:
A fastener attaching tool particularly suited for use in attaching buttons to clothing, etc. and which is constructed for use with a fastener clip which includes a pair of runner bars and one or more U-shaped fasteners having transverse bars at opposite ends, each transverse bar being connected on its side to a corresponding runner bar by a severable connector post. The tool includes a pair of needles each having a longitudinal slotted bore adapted to receive one of the transverse bars and a knife edge formed on one side which is adapted to sever a connector post from its associated transverse bar as the transverse bar is pushed through the needle. The body includes a transverse feed slot disposed just to the rear of the needles down through which the fastener clip is manually inserted. The tool also includes an ejector mechanism, which is slidably mounted back and forth within the body and is rearwardly biased by a spring. The ejector mechanism is manually operable from the rear of the body and includes a pair of ejector rods which are slidably back and forth within the bores of the needles and are used to push the transverse bars into and through the needles.
摘要:
A loop fastener well-suited for attaching tags to articles of commerce. In one embodiment, the loop fastener comprises a flexible filament having a first end and a second end. In addition, the loop fastener comprises a socket, the socket having a top surface and a bottom surface, the socket being provided with a channel and a flange, the channel extending transversely from the top surface to the bottom surface, the flange extending partially into the channel, the first end of the flexible filament being disposed on top of the top surface of the socket, the flexible filament extending away from the socket generally perpendicularly relative to the channel. The loop fastener further comprises an inserting element disposed at the second end of the flexible filament, the inserting element including a plug insertable into the channel and past the flange, the plug being engageable with the flange after the plug has been inserted therepast so as to keep the plug from being easily withdrawn back past the flange.
摘要:
An apparatus for dispensing an individual plastic fastener from continuously connected ladder stock including an elongated side member having a plurality of T-bars interconnected by severable connectors. In one embodiment, the apparatus includes a hollow, gun-shaped casing having a barrel portion and a handle portion. The front end of the barrel portion has an opening into which a hollow slotted needle is removably mounted. A triggering mechanism, which includes a pivotally-mounted trigger, is connected to the handle portion of the casing. A slider assembly, which is actuated by squeezing the trigger, includes a slider adapted to travel along longitudinally extending rails formed along the inside of the barrel portion of the casing. Movement of the slider is coupled to a feeding/severing/ejecting assembly, which collectively functions to feed a T-bar disposed at one end of the elongated side member into the hollow slotted needle, to break the severable connector connecting the inserted T-bar to the remainder of the elongated side member, and to eject the inserted T-bar from the hollow, slotted needle. In a preferred embodiment, the severable connector is broken by pivoting the rear portion of the connector away from the front portion of the connector.
摘要:
Plastic fastener, fastener clip, fastener dispensing tool and method of fastening objects. According to one embodiment, the plastic fastener comprises a flexible filament having a length of about 4.3 mm and a tensile strength of about 2 pounds, a first transverse bar located at one end of the flexible filament, and a second transverse bar located at the opposite end of the flexible filament. The fastener clip, which preferably does not contain a runner bar, comprises a plurality of identical fasteners of the aforementioned type, each of the fasteners being arranged in a parallel, side-by-side, spaced relationship. A connector post connects the first transverse bars of adjacent fasteners, and a connector post connects the second transverse bars of adjacent fasteners. An extra transverse bar is connected by a connector post to the first transverse bar of the last fastener, and another extra transverse bar is connected by a connector post to the second transverse bar of the last fastener, the extra transverse bars not being interconnected by a flexible filament. The tool, according to one aspect, is a hand-held tool adapted for use with the above fastener and comprises (a) a casing, the casing being provided with a needle opening; (b) a hollow, slotted needle, the hollow, slotted needle being slidably movable back and forth between a retracted position disposed entirely within the casing and an extended position extending through the needle opening, the hollow, slotted needle being adapted to receive a transverse bar of the fastener; (c) an ejector rod, the ejector rod being slidably movable back and forth through the hollow, slotted needle to eject the enlargement disposed therein; and (d) an anvil coupled to the casing and extending in front of the needle opening, the anvil being positioned so that the hollow, slotted needle, when in said extended position, does not extend therebeyond.
摘要:
A loop fastener well-suited for attaching tags to articles of commerce. In one embodiment, the loop fastener comprises a flexible filament having a first end and a second end. In addition, the loop fastener comprises a socket, the socket having a top surface, a bottom surface and a side surface, the side surface being generally octagonal in shape and having a front end. The socket is also shaped to include a channel and a circumferential flange, the channel being generally circular in transverse cross-section and extending from the top surface to the bottom surface, the flange extending partially into the channel and being shaped to include an arcuate surface extending convexly downwardly from the top surface. The first end of the flexible filament is joined both to the top surface and the front end of the socket, the flexible filament extending away from the socket generally perpendicularly relative to the channel. The loop fastener further comprises an inserting element disposed at the second end of the flexible filament, the inserting element including a plug insertable into the channel and past the flange, the plug being engageable with the flange after the plug has been inserted therepast so as to keep the plug from being easily withdrawn back past the flange.