Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Patent
1993-09-30
1996-01-09
Martin, David S.
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
318626, 318640, 531388, 53583, G05B 500
Patent
active
054831342
ABSTRACT:
A bag neck tying device for tying a ribbon dispensed from a spool about a gathered neck. A pulley and proximity switch are mounted to prevent the completion of a tying cycle if a bag neck is not properly gathered and ready to be tied.
REFERENCES:
patent: 3059670 (1962-10-01), Burford et al.
patent: 3138904 (1964-06-01), Burford
patent: 3919829 (1975-11-01), Burford et al.
patent: 4277731 (1981-07-01), Pongracz
patent: 4856258 (1989-08-01), Burford et al.
Coxsey Greg P.
Frazier Jimmy R.
Richardson John D.
Burford Corporation
Martin David S.
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