Indexing drive apparatus

Details Indexing drive apparatus Indexing drive apparatus

1979-10-24

1981-08-11

Dorner, Kenneth

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74827, 741255, B23Q 1700

Patent

active

042827795

ABSTRACT:
An indexing drive apparatus comprises a cam assembly connected to a drive source, a cam follower turret adapted to follow the rotation of the cam assembly to be swung, a turret shaft having the turret assembly fixedly mounted thereon and adapted to be rotated in an oscilatory manner in correspondence to the swinging movement of the turret, an output shaft extending in parallel with the turret, and interlocking unit for operatively connecting the turret shaft and the output shaft. The interlocking unit includes a first swing arm secured to the turret shaft, a slide member supported in the first arm slidably in the axial direction thereof, a second swing arm secured to the output shaft, a connecting member pivotally connecting the slide member to the second swing arm, and adjusting means provided in association with the slide member for varying the ratio of a swing angle of the second swing member to that of the first swing arm by adjusting the position of the slide member relative to the first arm. The output shaft is constituted by two shaft halves which are disconnectably coupled to each other by means of a one-way clutch.

REFERENCES:
patent: 551171 (1895-12-01), Ritter
patent: 975659 (1910-11-01), Uebel/messer
patent: 3598000 (1971-08-01), Meissner

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