US1517729A - Cigarette-filling machine - Google Patents

Description

Dec. 2, 1924. 1,517,729

M. P. E. HOHN CIGARETTE FILLING MACHINE File d Sept. 1'7,- 1923 Patented Dec. 2, 1924.

UNITED STATES 1,517,729 PATENT OFFICE.

MAX PAUL ERNST HOHN, OF DRESDEN, GERMANY, ASSIGNOR TO UNIVERSELLE CIGARETTENMASCHINEN-FABRIK, J. C. MULLER, 85 CO.

GIGARETTE FILLING MACHINE.

Application filedfiseptcmber 17, 1923.

To all whom it may concern;

Be it known that I, MAX PAUL EnNsT I'IOI-IN, a citizen of Germany, residing at Dresden, Saxony, Germany, have invented certain new and useful Improvements in Cigarette-Filling Machines, of which the following is a specification.

lVith the cigarette-filling machines, a filling drum is usually employed, which, on its circumference, is formed with pockets, each to receive a cigarette shell or sleeve. This filling drum is turned intermittently, i. e. so that it is at rest during each filling operation and on a further rotation dehvers the filled cigarette onto a conveyor band. The cigarette shells are contained in a funnel shaped receptacle and the filling drum is so arranged, that it projects into the bottom of this receptacle in order that the pockets receive the cigarette shells dlrectly from the receptacle.

This last named arrangement has been found to be objectionable, because, owing to lack of space, the mechanism for the filling of the shells comes too close to the receptacle and. as a result, the diameter of the well known rollers used for cont-rolling the feed of the shells from the receptacle into the filling drmn is restricted to a small size. Furthermore the intermittent rotation of the drum repeatedly interrupting the feeding of the sleeves causes them to become heaped up in form of an arch preventing them from entering the pockets.

These drawbacks, according to this invention, are obviated by arranging a continuously revolving auxiliary drum between the receptacle and the intermittently rotated filling drum, which auxiliary drum, like the latter, is also formed on its circumference with pockets for the cigarette sleeves. This auxiliary drum projects into the bottom of the funnel and in its continuous rotation uninterruptedly removes the sleeves from the receptacle one by one, so that the sleeves stored in the receptacle are maintained in a constant motion. These sleeves received by the auxiliary drum are conveyed downwardly and are delivered, preferably at the lowest point of a pocket, to the filling drum located below said auxiliary drum. The ratio of rotation of the two drums is so selected, that the sleeves are delivered successfully and uninterruptedly by the auxiliary drum to the filling drum.

Serial No. 663,297.

In this manner the mechanism serving to fill the empty shells can be arranged at a sufiiciently far distance from the storage receptacle and the roller controlling the feed can be made of any desired size. Furthermore it may be depended upon that all pockets will receive sleeves.

In the accompanying drawing the figure 1s a diagrammatic cross section of the machine showing my new device.

a denotes the funnel shaped storage receptacle containing the cigarette sleeves Z). Projecting into the bottom a of this receptacle, is the auxiliary drum 0, which is adapted to be continuously revolved from the shaft 03 through bevel gears e, f. The drum 0 is formed on its circumference with the usual compartments or pockets g, each serving to receive a cigarette sleeve. Located at the bottom a of the receptacle is a roller 71, mounted 011 a shaft 2'. This roller is adapted to continuously revolve in the direction of the arrow j and serves to control the feed of the sleeves I), as the latter, one by one, pass from the receptacle into the drum (1 by thrusting the rest back into the receptacle and thereby maintaining them in constant motion.

is denotes a guard in form of a curved piece of sheet metal mounted around a part of the circumference of the drum 0 to prevent the sleeves carried by the latter from prematurely dropping out. This guard, at its bottom, is bent downwardly, as at is and serves to guide the sleeves when dropping out from the drum 0.

Z denotes the filling drum formed on its circumference, as usual, with compartments or pockets and receiving intermittent rotary motion. From this drum, the filled cigarette sleeve 6' drop, in well. known manner, onto an endless band conveyor m. This drum, like drum (1, is partially siu'rounded by a similar guard In the present embodiment, the sleeves b are adapted to fall freely from the drum 0 into the pockets of the drum Z. With fast revolving machines, suitable means may be provided for positively transferring the sleeves from the auxiliar 1 drum into the filling drum. To prevent the sleeves entering the filling drum from jumping out, while the latter is in rapid mot-ion, a latera1 guard 0 is provided, which is attached to an arm p movable on the shaft 9 of the drum Z. This arm is reciprocated by suitable means (not shown) in such a manner, that the guard 0 Will close the compartment or pocket after the cigarette sleeve has passed into it from the drum 0. When the filling drum has been fed the distance of a pocket, the closing guard 0 is returned into its initial position, shown in the drawing.

IVhat I claim is 1. In a cigarette-filling machine, the combin-ation with a storage receptacle and an intermittently revolving filling drum having pockets on its circumference, of an auxiliary continuously revolving drum having pockets on its circumference, said auxiliary drum being arranged intermediate said rcceptaele and filling drum and serving to transport the sleeves from said receptacle to said drum.

2. In a cigarette drum for a cigarettefilling machine, having pockets for cigarette sleeves, a movable guard adapted to close a pocket immediately on receiving a sleeve and to open the same, when the drum is fed forward the distance of a pocket.

In testimony whereof I aflix my signature in presence of two witnesses.

MAX PAUL ERNST HOHN.

IVitnesses RICHARD IFFUTE, VVILHELM RICHTER.

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