Suspended belt-type expandable and movable part holder unit
AssigneeTouhaku Co., Ltd.
InventorShozo Kawasaka
Life of this patent
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Abstract
A belt-type part holder unit to be used in a track conveyor system of a sewing factory or the like having a large number of work stations in it in order to transfer a part from a work station to another. The unit includes a belt pulley provided in it with a ring-type spring such as a coil spring or a spiral spring so that the belt of the holder unit can be selectively held to an expanded condition or taken up by the pulley and a part of an article of dress held by the holder unit can be sewed without being taken out of the unit.
Claims13
A suspended belt-type expandable and movable part holder unit of a track conveyor system, comprising a belt pulley rotatably supported by a horizontal shaft held by and between a pair of plates arranged in parallel, a belt wound around said pulley, a ring-shaped spring disposed in said pulley, and means for supporting said pair of plates on a track of said system for movement of said holder unit along the track, said pulley having a pair of flanges, one of said flanges being a ratchet, a swingable pawl being pivotally connected to one of said plates for engagement with said ratchet, said one plate being further provided with a swingable release means for releasing the engagement of said ratchet and said pawl.
A suspended belt-type expandable and movable part holder unit for a track conveyor system, comprising:
- a housing;
- means for supporting said housing for movement along a track of the track conveyor system;
- a horizontal shaft supported by said housing;
- a pulley rotatably mounted on said shaft, said pulley having a pair of flanges, one of said flanges forming a ratchet;
- a belt wound on said pulley between said flanges;
- a ring-shaped spring disposed in said pulley so as to bias rotation of said pulley in a direction that winds the belt around said pulley;
- a pawl pivotally mounted to said housing so as to be swingable into engagement with said ratchet;
- and
- release means, pivotally mounted to said housing, for releasing the engagement of said pawl with said ratchet.
Dependencies are inferred from the claim text.