Rotary dobby
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1987
Grant Date -
N/A
app pub date -
Apr 18, 1985
filing date -
Apr 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary dobby for moving a shaft includes a connecting rod connected to the shaft to be moved, the connecting rod having two mutually-opposite wedge detents disposed thereon, an eccentric disk carried on the connecting rod having a wedge guide extended radially in the eccentric disk, a drive shaft assembly having at least one detent groove formed therein, a coupling wedge disposed between the drive shaft assembly and the eccentric disk, the coupling wedge having an open shifting groove formed therein, two control pieces engageable in the shifting groove, two control rods each being connected to a respective one of the control pieces and being controlled according to a given pattern for pushing one of the control pieces into the shifting groove and for pushing the coupling wedge alternately into the detent groove along the length of the wedge guide when the drive shaft assembly is not rotating and into one of the two wedge detents, and a detent device disposed on the connecting rod at and associated with the wedge detents functioning in cooperation with the eccentric disk for maintaining the connecting rod and the eccentric disk in a zero position for receiving the coupling wedge.
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