Can opener

Details Can opener Can opener

1991-11-14

1992-12-15

Watts, Douglas D.

Cutlery

Can opener

With control means energized in response to activator...

30421, B67B 700, B67B 738

Patent

active

051705656

ABSTRACT:
A can opener comprising an electric motor (2) driving in rotation a shaft (4) carrying a roller (7), as well as a cutting blade (9), the shaft being mounted both rotatably and axially movably by a bidirectional drive mechanism comprising a compression spring (14) and a device for reversing the direction of rotation of the shaft comprising two electrical switches, a start switch (16) and a stop switch (17), which are mounted in the supply circuit of the motor. The spring (14) comprises two portions, a cylindrical portion (19) with touching turns and a truncated conical portion (21) whose turns do not touch and of which a free end (22) is adapted to come, either into abutment against a finger (23) provided on a wall (6) of the casing (1), or to bear against the stop switch (17), so as to cut the feed to the motor.

REFERENCES:
patent: 2670449 (1954-02-01), Brice
patent: 3689999 (1972-09-01), Swanko et al.
patent: 3781989 (1974-01-01), Swetlitz et al.
patent: 4901441 (1990-02-01), Kurz

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