Backstop and damping apparatus for actuator

Details Backstop and damping apparatus for actuator Backstop and damping apparatus for actuator

1984-06-21

1986-08-05

Sewell, Paul T.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Imprint by pivoting of type-head-carrier and type-head...

101 9302, 408143, 188378, B41J 942

Patent

active

046039856

ABSTRACT:
Damping apparatus within an actuator device in which a backstop is supported on one portion of a dual cantilever to match the movement of the impacting actuator to reduce wear and provide positive restoration of initial position, wherein the backstop-supporting cantilever portion is embedded in energy-absorbing elastomeric material that is symmetrically confined to shorten settling time of the actuator and remain unaffected by temperature changes.

REFERENCES:
patent: 3418928 (1968-12-01), Ponzano
patent: 3426675 (1969-02-01), Dalton
patent: 3572112 (1971-03-01), Igoe
patent: 3749008 (1973-07-01), Carlson et al.
patent: 3946976 (1976-03-01), Radford
patent: 4064799 (1977-12-01), Babler
patent: 4203554 (1980-05-01), Zimmer et al.
patent: 4322063 (1982-03-01), Fischbeck et al.
patent: 4332489 (1982-06-01), Dollenmayer
Xerox Disclosure Journal, "Multi-Impact Backstop for Print Hammer", Mitrovich S., vol. 1, No. 4, Apr. 1976, p. 21.

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