Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1977-08-25
1978-12-19
Lanham, C.W.
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
B21J 1534
Patent
active
041300068
ABSTRACT:
A mobile production riveting system comprising a power actuated hand operated "gun" tool assembly for pulling and automatically collecting the mandrels of inserted blind rivets and panel mounted associated equipment including power supply, control valve, pressure regulator, vacuum transducer, mandrel retrieval system, hydraulic reservoir, and other support equipment for adapting a general factory air supply to power the hand tool under finger trigger control. Unusually fast cycle time results from a combination of improvement features including the limitation of vacuum venturi airflow for mandrel retrieval to a power-off portion of the cycle, the use of air pressure in lieu of a mechanical gun piston return spring, and a non-pumping system with respect to eliminating recycling of actuating hydraulic fluid to and from the hydraulic reservoir. An integrated assembly of all system equipment for operating the hand tool through connecting hose lines on a compact mobile suspension panel including a mandrel retrieving system accommodates efficient service over a wide range of operating space.
REFERENCES:
patent: B516537 (1976-02-01), Champoux
patent: 2088859 (1937-08-01), Huck
patent: 3082898 (1963-03-01), Bosch
patent: 3363445 (1968-01-01), Sanders
patent: 3415102 (1968-12-01), Elliott
patent: 3451248 (1969-06-01), Bell
patent: 3457763 (1969-07-01), Freeman
patent: 3523441 (1970-08-01), Bell
patent: 3630067 (1971-12-01), Henshaw
patent: 3898833 (1975-08-01), Richardson
patent: 3962780 (1976-06-01), Kindig
Brown John V.
Ebbert Robert J.
Crosby Gene P.
Ebbert Engineering Company
Lanham C.W.
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