Cartridge door-latching mechanism

Details Cartridge door-latching mechanism Cartridge door-latching mechanism

1986-09-12

1988-05-17

Watkins, Donald

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

360132, G11B 2304

Patent

active

047445300

ABSTRACT:
Door-latching mechanism for a molded plastic cartridge includes a plastic arm projecting from a wall of the cartridge and acting as a cantilevered spring. At the free end of the arm are a door-locking pawl which locks the door when the spring is at rest and unlocks the door when the spring is flexed. When the cartridge is a VHS or Betamax videocassette, upon inserting it into a recorder, a finger of the recorder depresses the arm and with it the door-locking pawl, thus unlocking the pawl and allowing the door to be opened. The arm may either be integral with the cartridge or molded as a separate plastic piece to be attached to the cartridge.

REFERENCES:
patent: 4323207 (1982-04-01), Gebeke
patent: 4466583 (1984-08-01), Giannis et al.
patent: 4475700 (1984-10-01), MacLeod, Jr. et al.
patent: 4572461 (1986-02-01), Hovikawa et al.
patent: 4628389 (1986-12-01), Tanaka et al.

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