DE1703128U - DEVICE FOR ADJUSTING THE WRITING SECTION (IMPLEMENT) OF WRITING DEVICES, ESPECIALLY FOR BALLPOINT PENS IN WORKING AND RESTING POSITION. - Google Patents

Description

KA23ZB5S.ia4.55

DipL-lng. Hans Westphal vim - .., / »« ™. *. _{15 ipril} i » ₅ V

Patent attorney Sebastian-Kneippstr. 14 ¹ ^ "■ ^M -i ^{/ J} - ^J " ⁱ - -'- '

Telephone number 2194

Postal checking account: Karlsruhe No. 41702 SOdd. Bank Viltingen Account No. 21449

Gebr .. Schmidt, St. Georgen-Black Forest

Device for adjusting the writing element (writing lead) sound writing implements, in particular for ballpoint pens in working and resting position,

The hiring relates to a device for adjusting the writing element, the writing lead, writing implements, in particular of ballpoint pens, in the working and resting position usually called pressure mechanics, known in which by successive actuations of a push button the pen against the force of a return spring alternately transferred to work and rest position ■ will. The usual devices of this type generally require very cumbersome and sensitive devices inside the housing, and above all with them, the push button must be in the desired position be pressed in at different sowing positions. Will, which with prolonged use will mostly be the pail due to the wear and tear that occurs, the locking less noticeable, then the push button is often pushed to the end position and the lead remains not in the writing position, but jumps into the rest position return. If the latching is strengthened, the operation is due to the resulting increase in the spring force heavy ^ and the wear and tear is increased. Hei to remedy these evils are known to others Toothed writing implements, partly fixed to the guide tube of the writing lead *, partly fixed to the housing, the Guide tube provided opposite rotatable locking members, the teeth of which during the longitudinal displacement of the Pührungsrohres come into engagement one after the other in such a way that

that "when the push button is pressed in succession inevitably the writing lead is brought into its two positions alternately without any Lockings must be observed.

With these newer writing implements the chain links require due to their little space-saving design and arrangement a comparatively large housing diameter, which is the current endeavor, the ballpoint pen as possible making it slim is an obstacle. Above all, the one in question works with all known writing implements Kind of the return spring directly on the writing lead and is supported against the removable front part of the G-e housing. As a result, when changing the Refill the compression spring can be removed and jam when reinserting a new lead, are inserted incorrectly or even get lost

The innovation is aimed at eliminating the aforementioned difficulties and creating a simple, operationally reliable one and to create a printing mechanism that makes it easier to change the writing leads from the return spring influenced guide tube of the writing lead fixed and two sleeve-shaped quick links between them a sleeve-shaped Rasx £, which can rotate in relation to the housing, is loosely arranged, wherein one of the fixed locking members and the loose locking member have matching locking teeth, while at the opposite end of the loose locking member alternating notches of different tooth depths are arranged in the one or more finger-shaped East teeth of the second fixed locking link when releasing it of the pressure member engage alternately · With this design a significant reduction in the dimensions of the locking members is achieved, which is a very space-saving Arrangement; enables. This consists in the fact that the guide tube with the sleeve-like locking members inside

the smooth bore of a guide member fixed to the housing ₉ whereby the loosely rotatable locking member is secured against axial movements by a projection of the guide member fixed to the housing and a closing sleeve firmly connected to it for that writing tool (refill %) and the guide tube between the guide member fixed to the housing and the guide tube are arranged so that they cannot be lost. The introduction and removal of the refill is now further facilitated by the fact that the refill is held in the guide tube in an easily removable manner, e.g. by resilient friction, preferably in such a way that the guide tube at the closed end carrying the push button has a resiliently frictional holding device, preferably in the form of notches and slots, as well as an end stop in the form of a bead for the writing lead.

An embodiment of the firing in Application on a: ballpoint pen based on the drawing described. In this show:

Fig. 1 is a longitudinal section through a ballpoint pen according to the innovation, omitting the housing,

Fig. 2 is a partial view of the matching east teeth dee a locking member fixed to the guide tube des and the loose rotatable locking member and

Abt * 3 a partial view of the gearing esa. the other end of the loose cast link and the second locking member fixed to the guide tube »

The ballpoint pen shown has a guide tube for the writing member, the one indicated by dash-dotted lines Writing lead 2. The tube 1, which has a ^ e according to the indentation depth more or less from the non-marked Housing protruding push button 3> wears, is with a bead 11 and several notches 12 and

Slits 13 provided. While the bead 11 ale end stop for the refill 2 is used »hold the slightly resilient tube parts with the notches due to the slots 15 12 the mine 2 with resilient friction so that it is introduced into the guide tube 1 with little force or sub inta can be removed

This tube carries two sleeve-shaped ones firmly connected to it Latching members 4 and 5 and between these a loose, likewise sleeve-colored latching member 6. Sas the upper latching member 4 and the loose latching member 6 have latching teeth 41 and 61 that match one another on the opposite end faces. At the bottom the loose locking element has 6 alternating notches 62 shallower depth and notches 63 greater depth. The divisions of all gears 41, 61 and 62, 63 match one another match, but the third toothing is 62, 63 opposite the toothing 61 ue. offset about half a tooth pitch.

The lower chain link 5 has a finger-shaped, beveled ratchet 51 which is slightly narrower than that rectangular gap of the toothing 63, so that he can easily engage in this gap.

The guide tube 1 is housed together with the locking members 4 »5 and 6 attached to it in the inner smooth bore of a threaded bushing 7 and a smooth bushing 8 pressed into it. Here, the loose locking member 6 is locked with a hub-like reinforcement 64 of an annular projection 71 of the threaded socket 7 and the upper end of the smooth socket 8 against longitudinal displacement.

The threaded bushing 7 _T the iß. Usually virgeschraubt with the two halves of the housing serves as a counterweight for the return spring 9, which is against a foot with. the ring 14 connected to the guide tube 1 presses

The device according to the innovation works as follows: When the writing lead 2 is in the rest position, the tooth 51 engages

The lower latching element 5 enters the deep latching 63 of the middle latching element 6 and the teeth 41 and 61 of the latching elements 4 and 6 are far apart · When the push button 3 is pressed, the tube 1 moves downwards, initially leading the tooth 51 to the lower ones Latch 63 of the loose latching member 6 "frees it for rotary movements and brings the toothing 41 of the fixed latching member 4 into single engagement with the upper teeth 61 of the loose latching member 6. Here, take as a result of the staggered partitions of the "gears 61 and 62, 63 the teeth of the toothing 41 on the oblique tooth flanks ü & r toothing 61 and twisting the loose locking member 6 by a half pitch, when Lob- of the push button 3 can move the pipe 1 Under the pressure of the lower 9 upwards, the beveled end of the tooth 51 hits the very saw plank of the next tooth belonging to a less deep detent 62, the detent member 6 is rotated by another half tooth pitch, and the tooth 51 goes up to Tooth base of the lower notch 62 and thus locks the guide tube 1- in a more strongly pressed in position, the working position of the writing lead 2.

When the push button 3 is pressed again, the tooth 51 of the lower locking member 5 from the East 62 of the loose Latching member 6 led out, the teeth 41 of the upper Sast member 4 engages again in the toothing 61 of the loose locking member 6 and rotates this by half 2ahntstellung * Moved when the pushbutton 3 is released aas tube 1 up, and the cream 51 of the lower Rastglledes 5 meets the sloping edge of the next, tooth belonging to a deep detent 63, rotates the middle detent member 6 by a further half tooth part. ment and slides into the detent The starting position, the rest position of the writing lead has been reached again,

Each time you press button 3, you inevitably without & a £ the user on any Haeten would have to pay attention to the writing lead in the opposite position of the previous one · by appropriate Dimensioning of the movable parts, in particular the inclined flanks of the ratchet teeth, can reduce the adjustment force te be kept very low for safe conversion and wear and tear.

! The wage can be structurally changed in many ways. So the tooth 51 can under port case a special locking member 5 from the. Tube 1 worked out, EB, pushed out · The sequence of locking elements 4, 6 and 5 can be reversed. The locking members 4 and 5 fixed on the tube 1 can be rotated and secured against longitudinal displacement, the central locking member 6 can be tied firmly to the pipe 1. The locking members 4 and 5 can also be arranged rigidly in the threaded bushing 7 and the central locking member on the pipe 1 ·

Claims (4)

Dipl. I ng Hans Westphal PA O O *) Q Γ η * η, rr Gebr - f? Ϊ «« KA ^^^ OO * 1a4 £ 5 15.4.1955 Vlllingftn / SchwcKW «Protection claims 1. Device for adjusting the writing elements (writing refills) of writing implements, in particular ballpoint pens, which when a pressure member is actuated with the help of toothed parts, some of which are more firmly attached to the guide tube of the visual friction member, Partly fixed to the housing, hasty members rotatable opposite the guide tube, the writing member alternately in Active and neutral position transferred, characterized in that directly influenced by the HückfUhrfeder (9) Guide tube (1) of the writing lead (2) swei sleeve-shaped Hastelink (4, 5) and between them a hasty member (6), which is also sleeve-shaped, is loosely arranged opposite the housing, one of the fixed ones Hastelieder and the loose bast member have matching hasty teeth (41,61), while on opposite end of the loose hasty link (6) alternating hooks (62,63) of different tooth depths are arranged in which one or more finger-shaped hasty teeth (51) of the second fixed hasty member (5) when Letting go of the pressure member (3) intervene alternately. 2. Apparatus according to claim 1, characterized in that the guide tube (1) with the sleeve-shaped ones sitting on it Hastel links (4,5) within the smooth bore a housing-fixed guide member (7) slidably guided is, while the middle rotatable «hasty link (6) by an approach of the f guide member (16) and one with this firmly connected, sleeve-shaped link © "(6) is secured against arial movement, 3. Device according to claims 1 to 2, characterized in that that & »the HückfUhrfeder (S) for the writing gliefi (Writing lead 2) and the guide tube (1) between the guide member (7) fixed to the housing and the guide tube (1) is arranged in such a way that it cannot be lost, 4. Device according to claims 1 to 3 _f, characterized in that the writing lead (2) in the guide tube (1) is easily removable, for example held by resilient friction. 5, device according to claims 1 to 4 »characterized in that that the guide tube (1) at the closed end carrying the push button (35) has a resiliently frictional Hal-teeinricirtung, preferably in the form of notches (12) and slots (13) »and an end stop in the form a bead (11) for the writing line (2).