Closure counter

Details Closure counter Closure counter

1986-12-24

1988-12-20

Fuller, Benjamin R.

Registers

Rotation counters

116307, 206534, 215230, B65D 5512, G06M 102

Patent

active

047926643

ABSTRACT:
A closure counter for counting how many times a screw cap closure has been closed and opened is described, which is back in its initial position after N closing and opening operations.
The closure counter includes an open-bottomed housing (10) and a likewise open-bottomed cap-shaped counting unit (11) arranged in the housing for rotation about its longitudinal axis (12), the rotary motion relative to the housing (10) is limited to a fraction 1/N of one full rotation, and a display unit (13) is arranged for rotation about the longitudinal axis (12) of the counting unit (11), the rotation of the display unit (13) relative to the counting unit (11) being allowed in only one direction by a ratchet (14), the click motion likewise corresponds to the fraction 1/N of one full rotation, and there is sliding fit between the housing (10) and the display unit (13).

REFERENCES:
patent: 3279651 (1966-10-01), Thompson
patent: 4011829 (1977-03-01), Wachsmann et al.
patent: 4220247 (1980-09-01), Kramer
patent: 4223801 (1980-09-01), Carlson
patent: 4245742 (1981-01-01), Rossmo
patent: 4365722 (1982-12-01), Kramer
patent: 4528933 (1985-07-01), Allen
patent: 4562933 (1986-01-01), Dennis
patent: 4705182 (1987-11-01), Newel-Lewis

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