DE2243163C3 - Type carrier arrangement - Google Patents

Description

bond with at least one not with the

Type drum rotating "tooth segment".

is bar, each gear segment of the type carrier has a guide portion formed by a missing tooth, which after; 15 It is from the German Auslegeschrift 12 70 854 system of combing the gear segment »is known to a printer with an electromagnet Internal tooth segment through external tooth segment on the type carrier shaft with a reversing pinion in the meshing end Brings fixing means in the starting position, which is already in a tooth segment of a remains and that the switching means engages as a latch type carrier. For each type carrier there is one forms is required when you control it on a 20 reverse pinion that is used to reset the Switching tooth on the type carrier shaft acts that the type carrier is provided with a spiral spring. the the gear segment in the direction of the inner type carrier each provided with a type and tooth segment is rotated, thereby the reverse pinions are stored in a drum, the shows that each type carrier shaft (4) revolves in continuously, while the external tooth segment and a cross-sectional plane at least two angled 25 the electromagnet stationary inside the drum Staggered types (18, 47, 48) are arranged.

points, each by to the Typträgerwel- On the basis of an older proposal of the registration (4), the types (18, 47, 48) to- rin (DT-PS 21 17 336) is one of a few moving ordered ratchet teeth (25, 25 ', 25 ") and tooth parts of existing rolling printer known, in which in wheel segments (8, 8 ', 8 ", 55, 55', 55") to 30 a continuously rotating type drum several with pressure by means of pawls (23, 23 ', 23 ") selectable one type each supported type carrier are, the latter being in one of each other. There is a gear segment on each type carrier the type offset (54, 54 ') corresponding Ab- arranged that for generating the rolling imprint stand are arranged. via a latch in operative connection with a self

2. Type carrier arrangement according to claim 1, 35 tooth segment not rotating with the type drum characterized in that the internal tooth can be brought. Each gear segment has one through segment (10, 10 ', 10 ") a part of a guide a missing tooth formed guide section ring (7), the guide surfaces (40, 40 ', 40 ") on, which shows after the meshing of the gearwheel, to the ments with the internal tooth segment immediately after combing has taken place through an der Tydes Toothed wheel segment (55, 55 ', 55 ") with the internal shaft 40 engaging fixing means in the output internal tooth segment (10, 10 ', 10 ") a leading position remains.

section (17, 17 ', 17 ") of the gear segment A wide range of types is available for the named hits and the type carrier shaft (4, 4 ') in printers only has one of the desired type starting position specifies that with a two-number corresponding enlargement of the type carrier types (18, 47) having type carrier shaft (4) 45 possible. This makes the printer bulky and compared to a first gear segment (8), the access time for one provided for printing by the type offset (54) later with the inside type relatively large.

Toothed segment (10) engageable second The invention recited in the claims Tooth segment (8 ') the type offset (54) is therefore based on the older proposal of speaking fewer teeth than the first gear- 50 Applicant, the underlying task is a Wälzdruksegment (8), with one housed in a small space for the second tooth kernel segment (8 ') in the guide ring (7) to create a guide surface large range of types. (40 ') is provided, which is opposite to that for the With the invention that is achieved with the same first tooth segment (8) provided guide surface circumferential speed of the type drum (40) corresponding to the missing teeth, the type begins earlier 55 according to the applicant's older proposal, drum two or three times the number of types

3. Type carrier arrangement according to claim 1, takes up almost the same access time.

characterized in that the inner tooth- An embodiment of the invention is according to-

segment (10, 10 ', 10 ") a part of a guide standing described with reference to the drawing. It shows ring (7), the guide surfaces (40, 40 ', 40 ") on- 60 Fig. 1 a type carrier shaft with two types of printing,

has to which immediately after combing F i g. 2 and 3 the type carrier shaft according to FIG. 1

of the gear segment with the internal tooth segment in cross section,

a guide section (17, 17 ', 17 ") of the tooth - Fig.4 with a section of a type drum

Radsegments hits and the type carrier shaft of the type carrier shaft according to F i g. 1 with two on one (4, 4 ') in the starting position specifies that if there are more than 65 guide rings,

reren types (18, 47, 48) of the type carrier shaft F i g. 5 the arrangement according to FIG. 4 in the top

(4 ') corresponds to the number of types (18, 47, 48),

accordingly switching teeth (25, 25 ', 25 ") to the type F i g. 6 a type carrier shaft with three printing types,

(3 4

# FIG. 7 shows ^the type carrier shaft according to FIG. 6 in the guide section 17 (tooth 12 ') on the teaching-liner illustration. surface 40 'of the guide ring 7, which thereby

According to Fig. 4, the type shaft4 is provided with two types at the same time, the type carrier shaft4 in output sections 18, 47, which defines a transverse plane around development. il80 ^o are arranged offset to one another. Furthermore, if the type carrier 4 is selected, the type carrier shaft 4 has two switching teeth 25, 25 ', position shown in dashed lines, in order to print the printing type | The pawl 23 'will be offset (Fig. 2). Between these switching controls. This actuates with its pawl end 24' the teeth 25, 25 'is a first gear segment 8 and switching tooth 25' the engagement of the second gear segment 8 ′ located therein takes place with the teeth 12, 12 ′ to 14, 14 ′ with the internal tooth segment, provided, as can also be seen from FIG. 4, with teeth 15 and 16 immediately thereafter The two gearwheel segments 8, 8 'have in common that tooth gaps 11' engage and rotate the type carrier 4 into a guide starting position formed by a missing tooth Difference due to the impact of the tooth 12 to 12 'on the f | fe% is between these gear segments 8, 8 'dar- 15 causes guide surface 40. -

S'-in that the gear segment 8 'opposite the five Finally "can deviate from the described-

Iffi% ähnen 12 to 16 of the gear segment 8 only three NEN arrangement of the pawls 23, 23 ', their engagement fcp teeth 12 'to 14'. For axial securing in two different planes, ge-Ii also takes place in one plane the type carrier weight 4 in one shown in FIG. 4 sheared. For this it is only necessary to have the Klin-I interpreted type drum serve the collar 50 and 51. 20 ken in a plane to lead so that they are not 1 According to FIG. 4, the type inertia shaft 4 is mutually hindering. This would also result in a switching I Top plate 2 and bottom plate 3 of the T> pentrom tooth are sufficient to select the type carrier. I mel 1 rotatably mounted. The printing types 18, 47 are included opposite the type carrier shaft 4 in FIG

1 in the plane of the pressure roller center 52 of the pressure of the two types 18, 47 coinciding with the I roller 9. The fixed guide ring 7 has, as 25 tooth gap division of the 5-tooth gear wheel segment 8 I also from FIG. 5 can be seen, an internal tooth segment is arranged, has, according to FIGS. 6 and 7, an I 10 with the tooth gaps 11 and 11 '. In addition, the type carrier 4 'has three types 18, 47, 48, which over- «the guide ring 7 with a guide surface 40 and a guide surface 40' following it in accordance with the tooth pitch of a 7-tooth pitch. The gear segments 55 of the type carrier shaft 4 are. £ Guide surface 40 'begins around the two tooth gaps 11' 30 - The type offset 54 'corresponds to two tooth divisions S earlier than the guide surface 40. of the gear segment 55. - According to the

? On the guide ring 7 are according to the F ig. 4 three types 18, 47, 48 are on the type carrier shaft 4

1 and 5, two pawls 23, 23 'pivotably mounted, which also three shift teeth 25, 25', 25 'and three with 3 provided / .annrao- ' - are provided / .annrao- '- provided by two electromagnets (not shown) The pawl ends 24, 24 'each have 35 segments 55, 55', 55 "arranged. These gearwheels in the planes of the shift teeth 25, 25 '

I The engagement points of the pawl ends 24, 24 'are the teeth mentioned the Zannradsegmeni sa

I according to the type offset 54, the three tooth markings. Also besides "^" ^{the gears} ^; f: pitches of the gear segments 8 and 8 'respectively, mente 55', 55 "together the teeth 59 60 So that i sets; the bearing points are accordingly also the gear segment 55 has the teeth Sb to OU

' 1 £ SXL · ¹³ ' ^{around these three tooth divisions} "™" 3L2T «Ί & ΪΈΪ3Α Tn £? · £ £

I ^ r? N to! Fig. 4 and 5 shown with a dashed line, speaking the rotation radius of the type drum 1:. Type line carrier represents the three ^: Tooth pitches milled off numbers of the three

with the type drum 1 moving clockwise 4S according to Fig. 6 are for the selection of the ^ ore. : TVpenträge ° 4, which can be imprinted through the latch types 18, 47. 48 three um, e ^z ™ '^ "g ¹ ™ !? ¹ ° £

M - «,« gear segment 8 offset pawls 23 can be selected. «. · ^Z ->

^; InTTgT? * Teme imprint column 53 provided on the printing. This offset is due to the

X '^^ TSlSrndineitere,, SSÄÄfj

H of the inner tooth segment 10 rolled wöbe that pivots ° «electromagnetic ^ β ^ _Ejn

Type 47 (A) between the engagement of teeth 15, 16 ***% "^^ ™ ⁿ g " s 55 "in the inner tooth

segments 55 ', 55 "with the internal tooth segments 10', 10 ". With the engagement of the tooth 61, the rolling pressure of the type 48 takes place in the impression gap 53. The starting position of the type carrier wellc 4 is after the emergence of the tooth 62 from the inner tooth segment achieved in that the tooth 56 hits the guide surface 40. It behaves accordingly with the imprint of types 18,

List of reference numbers type drum '.

Type carrier

wave :

Guide ring;

Gear <

segments

Pressure roller

Internal tooth segments

Tooth gaps

teeth

Guide sections

Type
Latches

Ratchet teeth guide surface types

Frets

Print roller center

Imprint column type offset

Gear segments

teeth

For this purpose 4 sheets of drawings

Claims (1)

offset (54 '): offset pawls (23, 23', 23 ") and claims: gear segments (55, 55 ', 55") different Number of teeth are provided, whereby the gear wheel \ 1 Type carrier arrangement for generating a segment (8, 8 ', 8 ") when you select them ; Wälzabdruckes with a constantly rotating type 5 through the pawls (23, 23, 23) nut correspond pentromrael, mesh with the internal tooth segments (10, 10, 10) carrying several types Type carriers are stored, with each type and staggered guide surfaces (40, 40 ', 40 ") in carrier at least one gear segment angeord- starting position can be fixed. ; inet is the one used to generate the rolling mark
by the action of a switching means in effective ver- io