Lifting head of swivel arm of assembly robot
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 20, 1987
Grant Date -
N/A
app pub date -
Mar 11, 1985
filing date -
Mar 12, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lifting head of a swivel arm of an assembly robot having an increased stroke of a lifting shaft and a reduced overall weight. A pair of guide bars are fixedly provided on the swivel arm extending parallel thereto, and a feed screw rotatably supported on the swivel arm extends parallel to the guide bars. A holding plate is fixed to the upper side of the swivel arm. A supporting member is secured to an upper end of the holding plate, the supporting member supporting the upper end portions of the guide bars and rotatably supporting upper end portions of the feed screw. A cylindrical guide having an inner wall of noncircular section is rotatably supported by the swivel arm. A lifting shaft slidably inserted into the cylindrical guide has an upper end portion rotatably supported by the nut member and has a fluid passage formed therein, an upper end of which is coupled to a fluid pipe. A rotating pulley is provided at the lower end of the cylindrical guide. A cover is secured to the swivel arm covering the guide bars and feed screw. The cover includes a pair of guide rollers and a hole at the top portion thereof, with the guide rollers being supported on both sides of the hole and the pipe extending through the hole and being guided by the guide rollers.
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