Electricity: motive power systems – With particular motor-driven load device
Patent
1993-08-03
1995-06-13
Ip, Paul
Electricity: motive power systems
With particular motor-driven load device
318565, 483 44, G05B 2302, B23Q 3157
Patent
active
054246210
ABSTRACT:
A tool magazine for use with an automatic machine tool comprising a housing for removably storing tools, a rotatable tool holding disk for rotatingly switching one of the tools between a first position and a second position, the tool holding disk being rotatably supported inside the housing by a shaft about a first axis, and a cam type tool magazine mechanism disposed inside the housing for indexingly rotating the tool holding disk. The cam type tool magazine mechanism is characterized in that it comprises: (1) a follower member having a disk mounted to the shaft so as to be rotatable in unison therewith, the follower member disk having a first surface and a second surface, each of which are rotatably mounted with a plurality of first and second rollers, respectively, in an equally-spaced manner around the first axis; and (2) a drive member comprising a first plate cam and a second plate cam, each being rotatable about a second axis, which is substantially parallel to the first axis and spaced apart therefrom at an axis-to-axis distance, each of the first and second plate cam having at least a camming tooth contactingly engageable with the first and second rollers, respectively, so as to drive the follower member about the first axis in an indexing way, in both clockwise and counterclockwise directions. An eccentric offset adjustment member can be provided for adjusting the axis-to-axis distance so as to provide a tight contact engagement between the plate cam and the corresponding rollers.
REFERENCES:
patent: 3807205 (1974-04-01), Vanderlaan
patent: 4151918 (1979-05-01), Nakane
patent: 4631465 (1986-12-01), Fukuyama et al.
patent: 4649610 (1987-03-01), Onishi et al.
patent: 4833772 (1989-05-01), Kobayashi et al.
patent: 4835837 (1989-06-01), Babel
patent: 5300006 (1994-04-01), Tanaka et al.
Chang Tsann-Huei
Hwang Yaw-Der
Lin Ching-Yuan
Industrial Technology Research Institute
Ip Paul
Lianh W. Wayne
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