Rotary and linear reversible indexing mechanism

Details Rotary and linear reversible indexing mechanism Rotary and linear reversible indexing mechanism

1975-05-15

1977-04-19

Scott, Samuel

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

F16H 3712

Patent

active

040180905

ABSTRACT:
An intermittent reversible indexing system with a rotary input and rotary output which includes a natural dwell of the output at the end of each cycle with a smooth acceleration to a maximum velocity and subsequent deceleration to another dwell and a simple mechanism for changing the index stroke. A planetary carrier carrying a single planetary gear is driven about a first axis with the planetary gear in mesh with a stationary sun gear concentric about said first axis. A drive member in the form of a shaft eccentric to the axis of said planetary engages and slides in a slot of an output member, thereby driving said output member about a second axis displaced from said first axis. A movable mount for the output member changes the drive relationship with said eccentric shaft to change the index motion.

REFERENCES:
patent: 2188060 (1940-01-01), Robins
patent: 2567974 (1951-09-01), Scott
patent: 3282218 (1966-11-01), Bauers
Chironis-Machine Devices & Instrumentation, Circa. 1966-pp. 121, 122.

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