Cutting – With means to convey work relative to tool station – Plural passes of diminishing work piece through tool station
Patent
1997-02-20
2000-01-25
Dexter, Clark F.
Cutting
With means to convey work relative to tool station
Plural passes of diminishing work piece through tool station
834687, 83932, 83DIG1, B26D 722
Patent
active
060167343
DESCRIPTION:
BRIEF SUMMARY
The present disclosure relates to the subject matter disclosed in International Application No. PCT/EP95/02509 (WO 96/05952) filed Jun. 28, 1995, the entire specification of which is incorporated herein by reference.
The invention relates to a cold meat slicing machine, in particular for slicing foods, comprising a machine housing, a driven circular knife mounted thereon, a stop plate adjustable by means of an adjusting device for setting the cold meat slice thickness relative to the cutting plane of the circular knife, a carriage held on the machine housing for displacement back and forth along a guide means extending parallel to the cutting plane and a locking device, which comprises a locking disk coupled to the adjusting device and a locking element which is adapted to engage in a recess at the circumference of the locking disk and which can be actuated and engaged in the recess of the locking disk when the carriage is pivoted out of its working position, wherein the locking disk takes up a position in relation to the locking element which prevents any engagement of the locking element in the recess and thus any pivoting of the carriage when the stop plate is set by means of the adjusting device to a slick thickness greater than zero, and wherein any adjustment of the stop plate is blocked by the locking element engaged in the recess of the locking disk when the carriage is pivoted out of its working position.
In the case of cold meat slicing machines of this type, injuries caused by the operator cutting himself/herself on the circular knife, above all during the cleaning of the machine, during which the carriage must be pivoted out of its working position into a position out of operation, are intended to be excluded as far as possible.
It is known to protect the cutting edge of the circular knife at the circumference with an annular, stationary knife protection ring against any contact, wherein the cutting area is left free. This area is covered by the stop plate of the product to be cut in the slice thickness setting "zero". During the cleaning of the machine, the carriage is pivoted away from the knife and the stop plate is thereby locked in the slice thickness setting "zero".
EP 0 530 168 A1 describes a locking device of this type. With the pivoting away movement of the carriage a slide connected to the carriage base is moved translatorily and this actuates a locking bar, the rounded locking element of which gradually dips in a circular arc into a rounded recess of the slice thickness adjusting device which is arranged along the circular circumference of the locking disk and locks it. As a result of the direction of movement and the shape of the locking element, the locking of the stop plate does not become effective until the carriage has pivoted through a larger angle. This is worsened by the unfavorable connection of the carriage with the slide and of the slide with the locking bar which are respectively connected by means of a slot guide means and a bolt stub engaging therein. The conversion of the rotatory movement of the carriage base into a translatory movement of the slide and the additional conversion into the rotational movement of the locking bar results in an undefinable bearing play in combination with the slot guide means. An additional disadvantage is the fact that following the pivoting of the carriage back into the working or cutting position and the subsequent cutting stroke movement the slide/locking bar connection is disengaged from one another, whereby the slice thickness adjusting device can be rotated into an uncontrolled position and the locking no longer functions.
The object underlying the invention is to provide a simple, mechanical locking means for the slice thickness adjusting device which already ensures a reliable locking function shortly after commencement of the pivoting away movement of the carriage.
This object is accomplished in accordance with the invention, in the cold meat slicing machine described at the outset, in that the recess of the locking disk is a gr
REFERENCES:
patent: 4541319 (1985-09-01), Maurer et al.
patent: 5615591 (1997-04-01), Scherch et al.
patent: 5687626 (1997-11-01), Scherch et al.
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