Multi sequence processing apparatus equipped with fail safe inde

Details Multi sequence processing apparatus equipped with fail safe inde Multi sequence processing apparatus equipped with fail safe inde

1982-02-08

1984-06-05

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

99544, B23B 2924

Patent

active

044521049

ABSTRACT:
In processing apparatus, especially fruit processing machinery, incorporating two functional subassemblies with movements which are synchronous with respect to one another, there is provided a fail safe indexing mechanism which prevents operation of one or the other of such subassemblies should for any reasons apparatus operational sequencing or synchronization be interrupted. The fail safe means utilizes a ratchet having a locking means to prevent over-travel thereof. In addition, a signalling means is associated with the locking means which allows operation of one subassembly only during a limited period of each machine cycle, provided all assemblies and sub-assemblies are in their normal location for that period of the timing cycle.

REFERENCES:
patent: 1136891 (1915-04-01), Candee
patent: 2683477 (1954-07-01), Altman
patent: 2688993 (1954-09-01), White
patent: 3162225 (1964-12-01), Loveland
patent: 3434517 (1969-03-01), Durand, Jr.
patent: 3563289 (1971-02-01), Altman

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