Closure counter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 20, 1988
Grant Date -
N/A
app pub date -
Dec 24, 1986
filing date -
Jan 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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).
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