Machine element or mechanism – Elements – Eccentric
Patent
1988-12-28
1990-02-13
Hornsby, Harvey C.
Machine element or mechanism
Elements
Eccentric
74603, 83527, 83530, 83628, 100257, G05G 100, B30B 500
Patent
active
048996165
ABSTRACT:
A press with a stroke control device has a drive shaft having an eccentric member mounting portion with an eccentric member thereon, the eccentric member is at an eccentricity with respect to the drive shaft and has sliding surfaces which are in sliding engagement with the eccentric mounting portion, a cross slide supporting the eccentric member, and a slide which surrounds and supports the cross slide therein, the slide being slidable while supporting the cross slide which moves laterally when the eccentric member rotates with the drive shaft. The press further has a gear shaft extending through the eccentric member mounting portion and provided with spline-type gear teeth, the gear shaft being rotatably supported by the eccentric member, and a plurality of screw rods arranged in parallel with the gear shaft and extending through the eccentric member mounting portion and being fixed to the eccentric member; and gears screwed to the screw rods and meshing with the spline type gear teeth of the gear shaft, the gears contacting the eccentric member mounting portion.
REFERENCES:
patent: 1774245 (1930-08-01), Strout
patent: 1788071 (1931-01-01), Strout
patent: 2310209 (1943-02-01), Bousman
patent: 2594836 (1952-04-01), Wunderlich et al.
patent: 3064559 (1962-11-01), Treer
patent: 3600957 (1971-08-01), Stoffel
patent: 4135446 (1979-01-01), Bareis et al.
Gerrity Stephen F.
Hornsby Harvey C.
Sankyo Manufacturing Company Ltd.
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