Cutting – Cutting motion of tool has component in direction of moving... – Orbital motion of cutting blade
Patent
1998-04-10
2000-07-25
Rada, Rinaldi I.
Cutting
Cutting motion of tool has component in direction of moving...
Orbital motion of cutting blade
83337, 83649, 83949, B65H 2026
Patent
active
060924519
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to the technical field of automatic or semi-automatic dispensing machines for paper wipes of the hand-wipe, toilet paper, general-purpose wipe and similar types.
BACKGROUND OF THE INVENTION
There are already many dispensing machines for paper wipes, especially those developed by the Applicant, which ensure dispensing either in automatic mode after the user simply pulls the paper or in semi-automatic mode requiring the use of an operating lever. These dispensing machines are operationally reliable but it is not always very easy to implement selection of the operating mode and this requires an extremely large number of parts. Current semi-automatic machines often require repeated intervention or manipulation of the operating lever in order to make the strip of paper emerge from the machine.
SUMMARY OF THE INVENTION
The object sought after according to the invention is therefore to design a machine that is very simple and which can be easily manipulated, after visualisation of the automatic or semi-automatic modes.
Another object sought after is to design a machine containing a minimum of parts and components.
Another object sought after is to obtain, in semi-automatic dispensing mode, emergence of the strip of paper out of the machine by a single operation performed by the operator.
These objects and others will become apparent from the rest of the description.
According to a first aspect, an automatic or semi-automatic dispensing machine for wipe material includes a housing that accommodates a hinged cover. The housing has walls or lateral end shields between which a drum associated with a cutting device is positioned. An off-center lever is mounted at one end of a drum shaft and accommodates a first elastic return means used to start it. The surface of the drum opposite that accommodating the off-center lever being designed with an axially located operating button, is distinctive in that it includes a device for selecting the operating mode, whether an automatic or semi-automatic mode. The device further includes a first sub-assembly forming a double lever with opposite legs mounted so that a middle part of the lever pivots freely relative to a fixed point on one of the end shields of the machine housing. The ends of the double lever are devised so that they are functional depending on the mode (automatic or semiautomatic) in which the machine is used. A handle of the selector device is positioned and hinged around the hinge pin of the double lever such that the handle pivots between two end positions in opposition to a second elastic return means. Depending on its location, the double lever is positioned relative to the drum and ensures operation of the device in either the automatic version or semi-automatic version.
These aspects and others will be apparent from the following description.
BRIEF DESCRIPTION OF THE DRAWING
In order to define the object of the invention shown merely by way of example, reference is made to the accompanying Figures in which:
FIG. 1 is a profile view of the machine in its automatic operating mode highlighting the various components of the selector device.
FIG. 2 is a partial side view in accordance with FIG. 1 showing the position of the selector device in the automatic dispensing version.
FIG. 3 is a view similar to the profile view of the machine in FIG. 1 in its semi-automatic version.
FIG. 4 is a view similar to FIG. 2 along arrow B in FIG. 3 in the semi-automatic version.
FIG. 5 is an enlarged scale partial view before assembly of the selector device according to the invention.
FIG. 6 is a partial plan view according to a rear view of a first sub-assembly of the selector device.
FIG. 7 is a partial plan view according to a rear view of a second sub-assembly of the selector device.
FIG. 8 is a view of the dispensing of paper in the semi-automatic version after a single manual command given by the operator to make the paper emerge.
FIG. 9 is an enlarged scale view of the opposite part of the dispensing machine highligh
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patent: 4188844 (1980-02-01), DeLuca
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patent: 4712461 (1987-12-01), Rasmussen
patent: 4844361 (1989-07-01), Granger
patent: 5048386 (1991-09-01), DeLuca et al.
patent: 5078033 (1992-01-01), Formon
PCT/IPEA/409--English Translation in International Examination Report, PCT/FR96/01110 Filed Jul. 17, 1996.
Rada Rinaldi I.
Tran Kim Ngoc
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