Washer pick up and placement tool

Details Washer pick up and placement tool Washer pick up and placement tool

1984-11-26

1986-08-05

Werner, Frank E.

Material or article handling

Elevator or hoist and loading or unloading means therefor

294 11, 414676, 414 69, 414125, 414222, 414618, 414626, 414680, 414908, 414787, 414744R, 414749, 901 30, 901 50, B65G 4790

Patent

active

046040242

ABSTRACT:
A tool for picking up and releasing washers which uses a retractable rod member that is insertable into the washer and directs jets of pressurized air alternately onto the bottom surface of the washer to cause the latter to be picked up and onto the top surface of the washer to cause the latter to be released.

REFERENCES:
patent: 1486818 (1924-03-01), Whitehead
patent: 2152591 (1939-03-01), Hanneman
patent: 3261481 (1966-07-01), Laverty
patent: 3523706 (1970-08-01), Logue
patent: 3527368 (1970-09-01), Bambara
patent: 4029351 (1977-06-01), Apgar et al.
patent: 4079512 (1978-03-01), Lakes
patent: 4314524 (1982-02-01), Deguchi
patent: 4502721 (1985-03-01), Savin-Czeizler et al.
IBM Technical Disclosure Bulletin-vol. 22, No. 8A, Jan. 1980-pp. 3370 & 3371.

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