US3738533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized collapsible tube dispenser
Assignee: Individual
•
Filing: 1971-09-07
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Granted: 1973-06-12
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Expires: 1991-09-07
Abstract
Abstract This invention consists of an electrically operated collapsible tube dispenser suitable for the dispensing of such products as tooth paste, shaving cream, etc. It comprises an enclosure in which the said tube is suspended by its base and its contents being discharged at the bottom of the enclosure. The squeezing pressure upon the tube is provided by a pair of rollers which travel downward on both sides of the tube, and which are activated by means of an electric motor.
Inventors
- 👤 J Bertrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:43
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24; B65D35/28; B65D35/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
An electrically motorized device for dispensing the contents of a collapsible tube comprising a container for enclosing the said tube; an electric motor located within the said container; a speed reducing gear train motivated by the said motor and attached to the said motor by means of a friction clutch; a vertical, threaded, rotating shaft which is rotated by the speed reduced end of the said gear train; a carriage having a tapped hole therein through which passes the said vertical threaded shaft so that rotation in either direction causes the said carriage to travel up or down; a pair of opposite, parallel, and closely spaced rollers located within the said carriage, one of the said rollers being spring loaded to allow a spread between the said rollers; a vertical wheel at each end of the carriage which travels in a grooved track at each side of the said container for guiding the said carriage in its up or down travel; a clamp, for holding the crimped base of a collapsible tube, located above the uppermost position of the said rollers; a hole in the bottom of the said container through which extends the discharge end of a collapsible tube; a push button switch for starting the said motor; and a toggle switch for electrically reversing the rotation of the said motor.
Claim 2
Dependent Claim
222 words
An electrically motorized device for dispensing the contents of a collapsible tube comprising a container for enclosing the said tube; an electric motor located within the said container; a speed reducing gear train motivated by the said motor and attached to the said motor by means of a friction clutch; a vertical, threaded, rotating shaft which is rotated by the speed reduced end of the said gear train; a carriage having a tapped hole therein through which passes the said vertical threaded shaft so that rotation in either direction causes the said carriage to travel up or down; a pair of opposite, parallel, and closely spaced rollers located within the said carriage, one of the said rollers being spring loaded to allow a spread between the said rollers; a vertical wheel at each end of the carriage which travels in a grooved track at each side of the said container for guiding the said carriage in its up or down travel; a clamp, for holding the crimped base of a collapsible tube, located above the uppermost position of the said rollers; a hole in the bottom of the said container through which extends the discharge end of a collapsible tube; a push button switch for starting the said motor; and a toggle switch for electrically reversing the rotation of the said motor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |