The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 08, 1984

Filed:

Sep. 27, 1982
Applicant:
Inventors:

Dean W Flygstad, St. Paul, MN (US);

Bill H Wehrmacher, Prior Lake, MN (US);

Assignee:

Telex Communications, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 15 ; 242200 ; 360 92 ;
Abstract

A type cassette copier on which; pairs of aligned 'floating' head and pinch roller arms are pivotally mounted within a housing adjacent pairs of aligned cassette receiving recesses and are simultaneously pivotable by a resilient connection to control lever arm; the control lever arm is operable through rewind, copy control and off positions; the head arms are operably connected to a drive mechanism for selectively driving rotatable spindles disposed in each cassette receiving compartment; the drive mechanism is adapted to be pivoted by the head arms for engagement of one magnetic clutch or another disposed on adjacent paired spindles, with one engaging position for rewind, and another for copying; a lever escapement cam, engaged by the free end of the control lever arm holds the lever arm in rewind or copy positions during each operation; a pair of electric motors drive the spindles and adjacent capstans through suitable belt drive means disposed in series with each motor; the motors are electrically connected in series with a source of current through means including a suitable servo system requiring only one velocity sensing means; a reciprocating head arm actuator is electrically operable between rewind and copy modes of each operation; tapered plastic fasteners are engaged in tapered colleted holes to removably mount various elements in place; and the head arms, motors and reading and recording heads are cyclable in sequence to rewind, record, rewind and stop.


Find Patent Forward Citations

Loading…