Spring mounted torsionally rigid print hammer mechanism

Details Spring mounted torsionally rigid print hammer mechanism Spring mounted torsionally rigid print hammer mechanism

1981-12-21

1983-12-20

Sewell, Paul T.

Printing

Selective or progressive

Bed and platen machines

101 9333, 101 9348, B41J 300

Patent

active

044210256

ABSTRACT:
An improved print hammer and actuator mechanism therefor are described. The hammer mechanism comprises a solenoid plunger and push wire or push rod which is directly affixed to one end of the hammer. The opposite end of the hammer is flexibly or pivotably mounted by a spring. The spring is rigidly affixed to the bottom portion of the hammer. It is flexed or twisted to enable the hammer top portion to be deflected. A shock absorbing connector connects the push wire to the print hammer. The position of the solenoid plunger can be adjusted by adjustable abutments at either end of its throw. This adjusts the flight time and the impact force, as well as the relative rest position of the hammer face, since the push wire is firmly connected to both the plunger and to the top of the hammer mechanism. The shock absorbing connector between the end of the push wire and the hammer mechanism controls the amount of force applied at impact.

REFERENCES:
patent: 2523660 (1950-09-01), Hulstein
patent: 3164085 (1965-01-01), Hawkins
patent: 3568593 (1971-03-01), Papadopoulas
patent: 3810195 (1974-05-01), Kilroy et al.
patent: 3850278 (1974-11-01), Mihm et al.
patent: 3919933 (1975-11-01), Potter
patent: 4018155 (1977-04-01), Cargill
patent: 4034841 (1977-07-01), Ohyama et al.
patent: 4106406 (1978-08-01), Angelichio et al.
patent: 4150619 (1979-04-01), Hasler et al.
patent: 4157873 (1979-06-01), Ito
patent: 4189997 (1980-02-01), Nozaki et al.
patent: 4259653 (1981-03-01), McGonigal
patent: 4285603 (1981-08-01), Bernardis et al.

Affiliated with

Also associated with

Rating

Spring mounted torsionally rigid print hammer mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spring mounted torsionally rigid print hammer mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spring mounted torsionally rigid print hammer mechanism will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-102274