A loop pin connecting device for causing mutual mating between a insertion head portion and a socket portion of a filament has a first feeding means, which feeds out the insertion head portion in front of the loop pin connecting device, and a second feeding means, which feeds out the socket portion
A loop pin connecting device for causing mutual mating between a insertion head portion and a socket portion of a filament has a first feeding means, which feeds out the insertion head portion in front of the loop pin connecting device, and a second feeding means, which feeds out the socket portion in front of the loop pin connecting device, wherein along one stroke from a position at which the insertion head portion and the socket portion of the individual loop pins are set into the device such that the insertion head portion and socket portion are moved up to a position at which there is mutual mating therebetween, at least the first feeding means has a operation interruption mechanism capable of temporarily stopping the feeding operation at an arbitrary position during the stroke.
대표청구항▼
What is claimed is: 1. A loop pin connecting device that shoots out a loop pin, which has a flexible filament, an insertion head portion having an appropriate mating part provided on one end of the filament, and a socket portion having a hole on the other end of the filament for irreversibly passin
What is claimed is: 1. A loop pin connecting device that shoots out a loop pin, which has a flexible filament, an insertion head portion having an appropriate mating part provided on one end of the filament, and a socket portion having a hole on the other end of the filament for irreversibly passing the insertion head portion of the filament, so that the insertion head portion mates into the socket portion, thereby forming a loop-shaped holder, said loop pin connecting device comprising; a first feeding means that feeds the insertion head portion toward the front of said device; and a second feeding means that feeds socket portion toward the front of the device, for the purpose of causing mutual mating between the insertion head portion and the socket portion, wherein during one stroke in which the insertion head portion and socket portion are moved from a position at which the insertion head portion and the socket portion of the individual loop pins are set into said device up to a position at which there is mutual mating therebetween, at least said first feeding means engages with a feeding operation interruption mechanism capable of temporarily stopping said feeding operation at an arbitrary position during said one stroke, said feeding operation interruption mechanism including a rotatable guide member provided on a device for moving said first feeding means, and a guiding track provided on an inside side wall of said loop pin connecting device and including at least a forward path, a return path and one feeding operation interruption position, said guide member having a post, said guide member engaging with said guiding track via said post, wherein said feeding operation interruption mechanism is configured so that said feeding operation of the insertion head portion is caused to stop at the interruption position, which is between a loop pin feeding surface of said loop pin connecting device and said mating position at which the insertion head portion and the socket portion mutually mate at the front of said loop pin connecting device, and further wherein said guide member is provided with a projection, said forward path of guiding track is provided with a protrusion, and said projection and said protrusion are configured with each other so that at said interruption position, said projection of said guide member can pass over said protrusion in a normal feeding operation, while at least when a pressure applied to an operation lever is reduced, said projection and said protrusion are engaged with each other so as to block said first feeding means from being returned back to its original position, wherein said post moves along the forward path until said insertion head portion mates with said socket portion, said post moving along the return path after mating, said projection not engaging said protrusion when said post is in the return path. 2. A loop pin connecting device according to claim 1, wherein said interruption position is selected from a group of a first interruption position between said loop pin feeding surface of said loop pin connecting device and said mating position at which the insertion head portion and said socket portion mutually mate at the front of said loop pin connecting device and at which the end part of said insertion head portion is closer to said loop pin feeding surface than to said mating position and a second interruption position between said loop pin feeding surface of said loop pin connecting device and said mating position at which the insertion head portion and said socket portion mutually mate at the front of said loop pin connecting device and at which there is no mating or incomplete mating between said insertion head portion and said socket portion and further at which the end part of the insertion head portion is in close proximity to said mating position. 3. A loop pin connecting device that shoots out a loop pin, which has a flexible filament, an insertion head portion having an appropriate mating part provided on one end of the filament, and a socket portion having a hole on the other end of the filament for irreversibly passing the insertion head portion of the filament, so that the insertion head portion mates into the socket portion, thereby forming a loop-shaped holder, said loop pin connecting device comprising; a first feeding means that feeds the insertion head portion toward the front of said device; and a second feeding means that feeds socket portion toward the front of the device, for the purpose of causing mutual mating between the insertion head portion and the socket portion, wherein during one stroke in which the insertion head portion and socket portion are moved from a position at which the insertion head portion and the socket portion of the individual loop pins are set into said device up to a position at which there is mutual mating therebetween, at least said first feeding means engages with a feeding operation interruption mechanism capable of temporarily stopping said feeding operation at an arbitrary position during said one stroke, said feeding operation interruption mechanism including a rotatable guide member provided on a device for moving said first feeding means and a guiding track provided on an inside side wall of said loop pin connecting device and including at least a forward path, a return path and one feeding operation interruption position, said guide member having a post, said guide member engaging with said guiding track via said post, wherein said feeding operation interruption mechanism is configured so that said feeding operation of the insertion head portion is caused to stop at the interruption position, which is between a loop pin feeding surface of said loop pin connecting device and said mating position at which the insertion head portion and the socket portion mutually mate at the front of said loop pin connecting device, and further wherein said guide member is provided with a post and said forward path is provided with at least one interruption position comprising two successive folded portions, and further wherein said first and second folded portions are configured so that when said guide member reaches said first folded portion, said first folded portion prevents said guide member from going forward further until pressure applied to an operation lever is reduced, while said second folded portion temporarily receives said guide member so as to block said guide member from being returned back to its original position when pressure is reduced, said post continuing along the forward path to the end of the forward path when pressure is applied again, wherein said post moves along the forward path until said insertion head portion mates with said socket portion, said post moving along the return path after mating so as to avoid said folded portions. 4. A loop pin connecting device according to claim 3, wherein said interruption position is selected from a group of a first interruption position between said loop pin feeding surface of said loop pin connecting device and said mating position at which the insertion head portion and said socket portion mutually mate at the front of said loop pin connecting device and at which the end part of said insertion head portion is closer to said loop pin feeding surface than to said mating position and a second interruption position between said loop pin feeding surface of said loop pin connecting device and said mating position at which the insertion head portion and said socket portion mutually mate at the front of said loop pin connecting device and at which there is no mating or incomplete mating between said insertion head portion and said socket portion and further at which the end part of the insertion head portion is in close proximity to said mating position.
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