Actuator without through shaft

Details Actuator without through shaft Actuator without through shaft

1989-08-01

1991-07-23

Wright, Dirk

Planetary gear transmission systems or components

Planetary gearing or element

Plural outputs

475342, F16H 5710

Patent

active

050339974

ABSTRACT:
An actuator (10) comprises a housing (40) with movable actuating arms (22, 27, 28) adapted to be attached to a part to be moved. A reduction gear mechanism (14, 15) is held within the housing (40) in such a manner that it is axially and radially retained in the proper operative position without the need for a center through-shaft at the center (25) of the housing (40). The housing (40) is provided with openings at axial ends (31, 32). Z-shaped annular flanges (33, 34) are fixed to the housing (40) and securely receive dust covers (35) when the actuator (10) is shipped for installation. A seal land (36) is formed at the inner periphery of each flange (33, 34) adapted to engage with a drive shaft (11) which is inserted into one of the axial ends (31, 32) after removal of the appropriate dust cover (35).

REFERENCES:
patent: 1730270 (1929-10-01), Friedell
patent: 3513715 (1970-05-01), Whitfield
patent: 3550469 (1970-12-01), Morse
patent: 3640150 (1972-02-01), Leiner et al.
patent: 3737000 (1973-06-01), Knobloch et al.
patent: 4721016 (1988-01-01), Burandt
patent: 4742730 (1988-05-01), Dorn et al.
patent: 4843912 (1989-07-01), Quick

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