Fruit pitting apparatus

Details Fruit pitting apparatus Fruit pitting apparatus

1974-07-18

1976-06-29

Jenkins, Robert W.

Foods and beverages: apparatus

Means to treat food

Automatic control or time means

99493, 99561, B23B 4724, A23N 402

Patent

active

039658090

ABSTRACT:
This invention relates to a pitting needle and malfunction detector for use in automatic fruit pitting machinery. The needle has a bottom portion which is releasably fixed with respect to a holder. Movement of the bottom portion with respect to the holder as, for example, when a foreign object is struck, is sensed and, as a result thereof, an alarm is sensed and/or the machinery is stopped. In one embodiment, the needles are made in two parts and movement of one part with respect to the other is detected by a pressure sensor which is electrically connected to a power supply for the machinery to render it inoperative. In another embodiment, the needle is made in one part and the shank of the needle is releasably mounted in a holder bar which contains electrical, electro-mechanical, or pneumatic sensing means to detect movement of the needle with respect to the holder bar.

REFERENCES:
patent: 1785013 (1930-12-01), Havens
patent: 2316876 (1943-04-01), Lothes
patent: 3454064 (1969-07-01), Weber et al.

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