US2529226A - Type wheel locking means in laundry marking machines - Google Patents

Description

Nov. 7, 1950 w. s. PETTY 2,529,226

TYPE WHEEL LockING MEANS IN LAUNDRY MARKING MACHINES Filed Sept. 6, 1947 I 5 SheeIzs-Sheet 1 z: u n z:

3nnentor i wW/am a Pe/zj/ Gttorneg W. S. PETTY Nov. 7, 1950 TYPE WHEEL LOCKING MEANS IN LAUNDRY MARKING MACHINES 3 Sheets-Sheet 2 Filed Sept. 6, 1947 Zhwentor %7///0 *3. e/

attorney Nov. 7, 1950 w, s, PETTY 2,529,226

TYPE WHEEL LOCKING MEANS IN LAUNDRY MARKING MACHINES Filed Sept. 6, 1947 I 3 Sheets-Sheet 3 Snventor Gttorneg Patented Nov. 7, 1950 UNITED STATES PATENT OFHQE TYPE WHEEL LOCKING MEANS IN LAUNDRY MARKING MACHINES 2 Claims.

This invention relates to a laundry marking machine of the type illustrated in applicants prior Patents No. 2,136,461 and Patent No. ,157,- 497 and has for its principal object the provision for a small, compact, highly efficient laundry marking device upon which any desired series of figures or numerals may be quickly pre-set so as to be easily stamped upon garments for laundry and cleaning identification purposes.

Another object of the invention is to provide a highly efficient inking device for applying water-proof ink to the printing type in advance of each impression stroke.

A further object is to provide a toothed quadrant and gear arrangement which will enable the over-all height of the machine to be greatly reduced.

A still further object is to provide a stop ratchet mechanism for type wheels which will stop the individual type faces in proper alignment and which can be adjusted to bring the aligned type faces into accurate register with the impression platen.

Other objects and advantages reside in the detail construction of the invention, which is designed for simplicity, economy, and efficiency. These will become more apparent from the following description.

In the following detailed description of the invention, reference is had to the accompanying drawing which forms a part hereof. merals refer to like parts in all views of the drawing and throughout the description.

In the drawing:

Fig. 1 is a front view of the improved laundry marking machine;

Fig. 2 is a side view thereof;

Fig. 3 is a rear view thereof;

Fig. 4 is a longitudinal section through the machine, taken on the line i4, Fig. 1;

Fig. 5 is an enlarged detail section, taken on the line 5-5, Fig. 2;

Fig. 6 is a similar enlarged section, taken on the line 6-6, Fig. 2;

Fig. 7 is a cross sectional view taken on the line ll, Fig. 2;

Fig. 8 is an enlarged detail section taken on the line 8-8, Fig. 5; and

Fig. 9 is a similar detail section taken on the line 89, Fi 2.

The improved laundry marking machine is mounted on a portable base it and employs two open side frames l l and I2, the upper extremities Like nuof which are rounded on an arc to support an arcuate index plate 1'3. The frames M and i2 extend forwardly to support a type wheel shaft 53. The type wheel shaft 53 is surrounded by a bearing sleeve 51 upon which a bearing drum 55 is mounted. The bearing drum carries a plurality of annular rotatable type wheels i5, which are separated from each other by narrow spacing rings 58. The type wheels are provided with type faces separated by means of indented notches l8 which form, in effect, an annular series of gear teeth.

The frames H and 92 also support a countershaft ll which is locked in place by means of set screws 5!. A plurality of intermediate gears i8 are mounted on the counter shaft ll, therebeing one gear it? for each of the type wheels 55. The teeth of the gears 58 enter the notches [6 between the type faces it. A drive gear I9 is formed integrally with, or attached to, one side of each intermediate gear 58. The drive gears l 9 are much smaller in diameter than the intermediate gears !8 and the latter are smaller in diameter than the type wheels I 5.

The drive gears are rotated by means of gear teeth 28 formed on arcuate segments 2i. The segments 2! are carried on segment frames 22 from each of which an operating handle 23 projects through an elongated slot in the index plate 53. The index plate it carries index strips 94 displaying numerals and letters opposite which the various handles 23 may be positioned.

When a handle is pulled downwardly it rapidly rotates one of the intermediate gears [8 through the intermeshing of the teeth 20 with its drive gear l9. This causes that intermediate gear [8 to rotate its type wheel 55 to position a type face thereon in the printing position. Due to the great difference in diameter between the arcuate segments 25 and the drive gears [9, a type wheel can be rotated a complete revolution with a movement of approximately of its handle 23. This allows a great reduction in size to be made over the usual marking machine. The open extremities of the hollow segment shaft 36 may be closed by means of hub plugs 69.

It is necessary to hold the type wheels in their several printing positions. This is accomplished by means of pawl detent levers 2 therebeing one detent lever for each intermediate gear 83. The detent levers pass between and are held in spaced relation by the segment frames 22. Each pawl detent lever terminates at its free extremity in a rounded tooth 25, which rests between adjacent teeth of an intermediate gear I8. As the intermediate gear rotates its teeth slide under the rounded surface of the tooth 25 lifting it from tooth space to tooth space.

The other extremities of the pawl detent levers 24 are hingedly mounted on an eccentric shaft 26. The extremities of the shaft 26 are pivoted on eccentric studs 59 projecting from rotatable bearing members 21 mounted in the side frames II and I2. Rotation of the bearing members 2? changes the position of the eccentric shaft 26 due to the eccentric mounting thereof. The bearing members 21 may be locked at any desired angular position by means of set screws 28. The purpose of the eccentric mounting is to allow an adjustment to be made of the position of the rounded teeth 25 to vary and accurately pre-set the printing position of the type faces of the aligned type wheels !5.

The pawl detent levers 24 are constantly urged toward the intermediate gears M3 by means of individual tension springs 29, extending therefrom to a spring attachment clip 58 on the base I. While the detent levers 2 are illustrated as being pulled downwardly against the intermediate gears by the springs 29, the springs could of course be reversed so as to pull upwardly against these gears if preferred.

The segment frames 22 are rotatably mounted on a hollow segment shaft 38 extending between the side frames H and I2. The segment frames are accurately spaced from each other along the shaft 30 by means of suitable spacers 3!.

The type wheels l may be aligned and held in their final aligned position by means of a U-shaped locking bar. The locking bar is mounted on a rocker shaft 33. A spring engaging pin 34 extends laterally from one of the rear extremities of the bar 32 into frictional contact with a holding spring 35 secured on the side frame M to hold the locking bar 32 in either the elevated or lowered position.

The goods to be marked are placed over a resilient platen pad 35 mounted on the upper extremity of an A-shaped platen arm 31, which is hinged on a platen shaft 38 mounted on the base H3. The rearward movement of the platen arm 31 is limited by means of adjustable stop screws 39 projecting from the base H3. The platen arm 31 carries an operators handle 45 by means of which the platen pad 36 is forced against the type wheels l5.

The type is inked by means of an ink pad carried on the upper extremity of a hinged pad frame 42. The ink pad frame 62 is hingedly mounted on a hinge pin 43. The hinge pin is supported between two fixed bracket arms 44 extending from the side members of the platen arm 31. The ink pad frame 42 is resiliently urged toward alignment with the bracket members 44 by a tension spring 52 extending from the shaft 38 to cross stop bar 54 the extremities of which contact the members 44 to stop the forward swing of the pad frame 42. The ink pad frame 42 carries two rollers 45, there being one roller positioned at each side of the series of type wheels I5. The rollers Contact and ride on two guide discs 46, there being one guide disc 46 at each side of the series of type wheels. guide discs 46 are provided with hubs for receiving the bearing sleeve 5? and are attached to the drum 55 by means of suitable screws 6!. The discs are prevented from rotating on the sleeve 57 y pins 56. The discs are prevented from r0- The tating about the axis of the shaft 53 by means of stop pins 4'! which project from arms formed on the discs into contact with ledges 48 on the side frames H and I2. A receiving notch 48 is formed in each guide disc 46 to initially receive the rollers 45. A tag holder 49 is provided on the arm 37 for holding small marking tags on the platen pad 36. This tag holder is described more in detail in copending application Serial No. 677,049, now Patent Number 2,4e2,094, patented May 25, 1948.

In use, the article to be marked is hung over the platen pad 36 and the handle 39 is pushed toward the type wheels. The first movement causes the rollers to enter the notches d8. This allows the ink pad 4! to contact the row of aligned type faces immediately above the rollers applying ink to the latter. Further forward movement of the platen frame 37 causes the bracket members 44 to swing the ink pad frame 42 forwardly and downwardly. In moving forwardly and downwardly the rollers 35 travel out of the notches 48 as shown in Fig. 4 lifting the ink pad 4| from the type faces and causing it to travel out of the path of the platen pad 36 so that the latter may force the goods to be marked against the aligned line of type faces.

While a specific form of the improvement has been described and illustrated herein, it is desired to be understood that the same may be varied, within the scope of the appended claims, without departing from the spirit of the invention.

Having thus described the invention, what is claimed and desired secured by Letters Patent is:

l. A laundry marking machine comprising: a-

type wheel shaft; a plurality of adjacent type wheels mounted to rotate about the axis of said shaft, the type faces on said type wheels being separated by notches; intermediate gears meshing with the notches of said type wheels; a drive gear concentrically attached to each intermediate gear; a toothed segment frame meshing with each drive gear; a handle projecting from each frame for rotating the latter; a hinged pawl detent lever positioned between each pair of adjacent segment frames; a projecting detent on each detent lever engaging between the teeth of one of said intermediate gears; a spring urging each detent lever toward one of said intermediate gears; a detent lever shaft acting as a common hinge axis for all of said detent levers; a bearing supporting each extremity of said lever shaft; and means for shifting said bearing member to vary the position of the contact point between said projecting detents and said intermediate gears.

2. A laundry marking machine comprising: a type wheel shaft; a plurality of adjacent type wheels mounted to rotate about the axis of said shaft, the type faces on said type wheels being separated by notches; intermediate gears meshing with the notches of said type wheels; a drive gear concentrically attached to each intermediate gear; a toothed segment frame meshing with each drive gear; a handle projecting from each frame for rotating the latter; a hinged pawl detent lever positioned between each pair of adjacent segment frames; a projecting detent on each pawl detent lever engaging between the teeth of one of said intermediate gears; a spring urging each detent lever toward one of said intermediate gears; a detent lever shaft acting as a common hinge axis for all of said pawl detent levers; a bearing supporting each extremity of said lever shaft; a rotatable member eccentri- 5 Cally supporting each bearing to allow the axial Number position of said lever shaft to be shifted. 908,847 WILLIAM S. PETTY. 1,241,417 1,580,171 REFERENCES CITED 5 1 44 144 The iollowing references are of record in the 1,715,556 file of this patent: 2,119,713 2,157,497 UNITED STATES PATENTS 2,428560 Number Name Date 10 864,790 Lang Sept. 3, 1907 907,577 Diehl Dec. 22, 1908 Name Date Dixon Jan. 5, 1909 Mitchell Sept. 25, 1917 Schramm Apr. 13, 1926 Osborne Oct. 4, 1927 Jenner June 4, 1929 Lang June 7, 1938 Petty May 9, 1939 Faust Oct. 7, 1947

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