Suction nozzle for holding component by suction

Details Suction nozzle for holding component by suction Suction nozzle for holding component by suction

2005-02-08

2005-02-08

Kramer, Dean J. (Department: 3652)

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

C414S752100, C029S743000

Reexamination Certificate

active

06851733

ABSTRACT:
A suction nozzle (21) has an outer nozzle member (30), a nozzle body (40), and an urging member (50) for urging the nozzle body (40) in a direction away from the outer nozzle member (30). The suction nozzle (21) also has a spring accommodation chamber (60) defined by at least a wall surface of a nozzle body accommodation bore (32) and a proximal end face (40c) of the nozzle body (40). The spring accommodation chamber (60) is shut off from first and second suction passages (31, 32) and communicates with atmosphere. The urging member (50) is housed in the spring accommodation chamber (60).

REFERENCES:
patent: 4657470 (1987-04-01), Clarke et al.
patent: 5290081 (1994-03-01), Ogura
patent: 6000122 (1999-12-01), Uchida et al.
patent: 6328362 (2001-12-01), Isogai et al.
patent: 6364387 (2002-04-01), Bolotin et al.
patent: 1 041 870 (2000-10-01), None
Ong Chuan Aik et al., entitled “Anti Suck Back Pickup Tip”, Motorola Techincal Developments, Motorola Inc., Schaumburg, Illinous, US, vol. 12, p. 140, Apr. 1, 1991.

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