US4186633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispensing sheets of web material of predetermined length
Assignee: Apura GmbH
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Filing: 1978-04-18
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Granted: 1980-02-05
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Expires: 1998-04-18
Abstract
Abstract A dispenser for sheets of web material, such as paper towels, from a supply roll, including a housing, means for holding a supply roll of the web material, and means for separating a sheet of the web from the supply roll operable in response to a user pulling the sheet from the housing and arranged to present at least a portion of the leading edge of the web ready for a user to seize for the dispensing of a further sheet as a direct result of the user pulling the previous sheet from the dispenser.
Inventors
- 👤 Manfred Baumann
- 👤 Walter Besserer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/36; A47K10/3631; A47K10/3643; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2192; Y10T83/465; Y10T83/4728; Y10T83/4734; Y10T83/4766; Y10T83/4769; Y10T83/4795; Y10T83/4804; Y10T83/4812; Y10T83/483; Y10T83/4833; Y10T83/4838; Y10T83/4841; Y10T83/505; Y10T83/889; Y10T83/896
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
159 words
An apparatus for dispensing sheets of web material of predetermined length from a supply of the web material comprising: a housing; means for storing the supply of web material in the housing, separating means comprising a bladed roller having thereon a blade having a width at least equal to the width of the web material arranged in the housing and operable in response to a user of the apparatus pulling from the housing the free end of web material in the storing means, to separate a sheet of the web material from the remainder and to leave at least a portion of the leading edge of the remainder of the web available to be gripped by a subsequent user, conveying means arranged to engage the web over a part of its width, non-positive drive means operable between the bladed roller and the conveying means, and a pressure device arranged to urge the web into engagement with the conveyor means.
Claim 2
Independent Claim
159 words
An apparatus for dispensing sheets of web material of predetermined length from a supply of the web material comprising: a housing; means for storing the supply of web material in the housing, separating means comprising a bladed roller having thereon a blade having a width at least equal to the width of the web material arranged in the housing and operable in response to a user of the apparatus pulling from the housing the free end of web material in the storing means, to separate a sheet of the web material from the remainder and to leave at least a portion of the leading edge of the remainder of the web available to be gripped by a subsequent user, conveying means arranged to engage the web over a part of its width, non-positive drive means operable between the bladed roller and the conveying means, and a pressure device arranged to urge the web into engagement with the conveyor means.
Claim 3
Dependent Claim
51 words
An apparatus according to claim 1, wherein the blade roller has therein a spindle eccentrically mounted with respect to the axis of the roller, and the blade is pivotally mounted on that spindle and is guided by a slot in the roller surface as the bladed roller rotates about its axis.
Claim 4
Dependent Claim
55 words
An apparatus according to claim 1, wherein the bladed roller has a lever pivotally mounted therein and the blade is mounted on that lever, and an operating device is provided to engage the lever and cause the blade to emerge through a slot formed in the roller surface as the roller rotates about its axis.
Claim 5
Dependent Claim
19 words
An apparatus according to claim 3, wherein the operating device comprises a cam disc attached to the roller spindle.
Claim 6
Dependent Claim
27 words
An apparatus according to claim 3, wherein the lever is resiliently biased by means of a spring operative between it and the inside wall of the roller.
Claim 7
Dependent Claim
25 words
An apparatus according to claim 3, wherein operating device comprises a second lever pivotally mounted eccentrically of the roller spindle and articulated to the lever.
Claim 8
Dependent Claim
14 words
An apparatus according to claim 1, wherein the conveyor means comprises an endless belt.
Claim 9
Dependent Claim
23 words
An apparatus according to claim 1 wherein the conveyor means comprises two endless belts disposed one at each side of the bladed roller.
Claim 10
Dependent Claim
23 words
An apparatus according to claim 1, wherein the conveyor means comprises a single endless belt disposed at the centre of the bladed roller.
Claim 11
Dependent Claim
15 words
An apparatus according to claim 7, wherein the belts extend partially around the bladed roller.
Claim 12
Dependent Claim
13 words
An apparatus according to claim 1, wherein the conveying means comprises a roller.
Claim 13
Dependent Claim
14 words
An apparatus according to claim 1, wherein the blade has a serrated cutting edge.
Claim 14
Dependent Claim
15 words
An apparatus according to claim 1, wherein the pressure device is stationary in the housing.
Claim 15
Dependent Claim
25 words
An apparatus according to claim 1, wherein the blade has cut away portions to clear any part of the conveyor means and the pressure device.
Claim 16
Dependent Claim
20 words
An apparatus according to claim 1, wherein the pressure device comprises an endless belt moved synchronously with the conveyor means.
Claim 17
Dependent Claim
19 words
An apparatus according to claim 1, wherein the pressure device comprises an endless belt guided around the bladed roller.
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) | 1983-02-04 | 1983-08-06 | 1984-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-04 | 1987-08-06 | 1988-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-04 | 1991-08-06 | 1992-02-05 | $7700.00 | Window Closed / Lapsed |