Pneumatic ejector

Details Pneumatic ejector Pneumatic ejector

1994-07-29

1996-08-20

Rada, Rinaldi I.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83137, 83123, B26D 706

Patent

active

055468390

ABSTRACT:
A pneumatic ejector comprises a rigid support member having a base portion and an upstanding boss integral with the base portion, and an elastomeric ejection element having a diaphragm portion and a skirt portion surrounding the diaphragm portion and secured to the boss. The support member has an air inlet passage for supplying air under pressure to move the diaphragm away from the boss. The upper end of the upstanding boss is concave and the diaphragm is of complementary shape. The diaphragm has an integral protrusion upstanding from a central region of the diaphragm. Additionally, the diaphragm has an integral protrusion which depends from a central region of the diaphragm and which extends into a through bore in the upstanding boss, the through bore communicating with the air inlet passage in the support member.

REFERENCES:
patent: 2041530 (1936-05-01), De Witt et al.
patent: 3524368 (1970-08-01), Goldman
patent: 3606824 (1971-09-01), Remington
patent: 3827322 (1974-08-01), Saunders et al.
patent: 3939743 (1976-02-01), Coombes
patent: 5365815 (1994-11-01), Pfaff, Jr.

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