US2966137A - Pen point adapter for scribers - Google Patents
Pen point adapter for scribers Download PDFInfo
- Publication number
- US2966137A US2966137A US622206A US62220656A US2966137A US 2966137 A US2966137 A US 2966137A US 622206 A US622206 A US 622206A US 62220656 A US62220656 A US 62220656A US 2966137 A US2966137 A US 2966137A
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- US
- United States
- Prior art keywords
- pen point
- scribers
- holder
- adapter
- pen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K3/00—Nib holders
- B43K3/005—Nib pinchers
Definitions
- the present invention relates to scribers such as are commonly used with templates for lettering purposes, etc., and has for its main object to provide those scriber-s which use other writing devices, with adaptors for using ordinary pen points in place of such other devices.
- a further object of this invention is to make an adaptor pen point holder for use in place of other forms of writing devices, having a shank portion adapted for clamping in a scriber clamping element.
- a further object is to provide scribers having clamping elements for gripping the shank portion of a standard printing tip, with a pen point holder having a similar shank portion adapted for mounting in said clamping elements, to enable the use of various types of pen points in said scribers in place of said standard printing tips.
- a further object is to provide a stub shaft fitted with a pen point clamp thereon and adapted for mounting in a scriber in place of a standard printing tip.
- a further object is to make a pen point holder adapted for mounting in a scriber clamp arm.
- a further object is to form the above pen point holder from a single fiat metal stamping.
- Fig. 1 is a plan view of one form of standard adjustable scriber with a simple pen point adapter mounted in its clamp arm,
- Fig. 2, 4 and 6 are enlarged plan views of three different forms of simple pen point clamping means on an adaptor stub shaft of the type shown in Fig. 1,
- Figs. 3, and 7 are vertical sectional views of these devices, taken on the lines 3-3, 5-5, and 7-7 of Figs. 2, 4 and 6 respectively.
- Fig. 8 is a plan view of another form of simple pen point adapter
- Fig. 9 is a vertical sectional view taken on the line 9-9 of Fig. 8, and
- Fig. 10 is a blank sheet stamping of this adapter prior to its forming.
- scriber 11 shown in Fig. 1 is normally used in combination with guide templates for lettering, etc.
- This scriber has a fixed guide pin 12 at one end extending downwardly for cooperation with the base line guide of a guide template, and a guide pin 13 extending down from the end of an adjustable arm 14 which is pivoted at 15 and locked in adjusted position by clamp screw 16.
- This pin 13 cooperates with the guide template to guide the printing tip normally clamped in the end 17 of the clamp arm 18 by the clamp screw 19.
- the device of the present invention shown clamped in this clamp arm, comprises the stub shaft 28, having a reduced shank portion 21, substantially the same size as the shaft portion of the standard printing tip, mounted in the clamp in place of said printing tip, and a clamp ring 22 and set screw 23 holding a pen point 24 clamped on said stub shaft 20 in proper writing or printing position.
- the clamping means is a band 26 around the holder shaft 20, having a cam lever 27 pivoted between the end flanges 28 of the band 26 at 29.
- FIG. 6 Another simple way of clamping the pen point on this adapter shaft 20 is shown in the third modification, Figs. 6 and 7.
- This is a spring strip 30 formed and bored as shown, so that by pressing its ends together between the fingers it may be passed freely over the shaft 29, and will grip the shaft by expanding its ends when released.
- the pen point 24 may be gripped in proper position between the shaft and the outwardly biased ends of the strip 3% pressing against the shaft at the bore.
- FIG. 8 to 10 Another form of adapter is shown in Figs. 8 to 10.
- This adapter may be formed from a single sheet stamping 31 of suitable spring material shaped and cut as indicated in Fig. 10.
- This sheet is sufficiently ductile to be bent and formed, as shown in Figs. 8 and 9; so that the lateral edges 32 and 33 of the sheet are brought together, the lower projections 34 and 35 form the hollow reduced shank portion 36 for mounting in the scriber clamp 17, the middle portion of the sheet being looped to form the hollow pen point holder 37, while the tongues 38 and 39 are offset inwardly of this loop to form a spring clip to receive and hold the pen point 24 against the inside of the hollow holder portion 37.
- the holder portion 37 is made to extend at an angle to the shank portion 36 whereby the pen point may be held at a suitable writing angle to the work surface.
- this form of pen point adapter may be easily and cheaply made by die-cutting and forming.
- a pen point and printing tip holder combination comprising a pen point, means for holding said pen point in a downwardly extending writing position, said means including a reduced shank lying in a socket in said printing tip holder and extending downwardly from said holding means, an enlarged frame portion above said reduced mounting shank, the periphery of said enlarged frame portion extending over at least one side of said printing tip holder when said shank is mounted in the socket of said printing tip holder, said extending periphery being convexly curved to receive the upper end of said pen point on said side, and means for pressing said upper end of the pen point against said periphery.
- a pen point and holder combination as defined in claim 1, said pressing means comprising a clamp ring loosely fitting around said enlarged shank portion and having adjustable means for clamping against said upper end of the pen point.
Description
Dec. 27, 1960 M. CHEVILLON 2,966,137
PEN POINT ADAPTER FOR SCRIBERS Filed NOV. 14, 1956 Z8 Z4 Z6 5 7 30 7 f INVENTOR ATTORNEY United States Patent PEN POINT ADAPTER FOR SCRIBERS Manuel Chevillon, Arlington, Va. (14506Fairacres Road, Silver Spring, Md.)
Filed Nov. 14, 1956, Ser. No. 622,206
6 Claims. (Cl. 12098) The present invention relates to scribers such as are commonly used with templates for lettering purposes, etc., and has for its main object to provide those scriber-s which use other writing devices, with adaptors for using ordinary pen points in place of such other devices.
A further object of this invention is to make an adaptor pen point holder for use in place of other forms of writing devices, having a shank portion adapted for clamping in a scriber clamping element.
A further object is to provide scribers having clamping elements for gripping the shank portion of a standard printing tip, with a pen point holder having a similar shank portion adapted for mounting in said clamping elements, to enable the use of various types of pen points in said scribers in place of said standard printing tips.
A further object is to provide a stub shaft fitted with a pen point clamp thereon and adapted for mounting in a scriber in place of a standard printing tip.
A further object is to make a pen point holder adapted for mounting in a scriber clamp arm.
A further object is to form the above pen point holder from a single fiat metal stamping.
Other and more specific objects will become apparent in the following detailed description of some forms of adaptors made in accordance with this invention, and illustated in the accompanying drawing, wherein:
Fig. 1 is a plan view of one form of standard adjustable scriber with a simple pen point adapter mounted in its clamp arm,
Fig. 2, 4 and 6 are enlarged plan views of three different forms of simple pen point clamping means on an adaptor stub shaft of the type shown in Fig. 1,
Figs. 3, and 7 are vertical sectional views of these devices, taken on the lines 3-3, 5-5, and 7-7 of Figs. 2, 4 and 6 respectively.
Fig. 8 is a plan view of another form of simple pen point adapter,
Fig. 9 is a vertical sectional view taken on the line 9-9 of Fig. 8, and
Fig. 10 is a blank sheet stamping of this adapter prior to its forming.
The standard form of scriber 11 shown in Fig. 1 is normally used in combination with guide templates for lettering, etc. This scriber has a fixed guide pin 12 at one end extending downwardly for cooperation with the base line guide of a guide template, and a guide pin 13 extending down from the end of an adjustable arm 14 which is pivoted at 15 and locked in adjusted position by clamp screw 16. This pin 13 cooperates with the guide template to guide the printing tip normally clamped in the end 17 of the clamp arm 18 by the clamp screw 19.
The device of the present invention, shown clamped in this clamp arm, comprises the stub shaft 28, having a reduced shank portion 21, substantially the same size as the shaft portion of the standard printing tip, mounted in the clamp in place of said printing tip, and a clamp ring 22 and set screw 23 holding a pen point 24 clamped on said stub shaft 20 in proper writing or printing position.
The same adapter shaft 20 with the reduced shank portion 21 is used in the three modifications illustrated in Figs. 2 to 7. In the first of these modifications, as shown in Figs. 2 and 3, an excentrically bored ring 25 is used so as to provide a greater thickness in which to tap the thread for the set screw 23.
In the second modification, the clamping means is a band 26 around the holder shaft 20, having a cam lever 27 pivoted between the end flanges 28 of the band 26 at 29.
Another simple way of clamping the pen point on this adapter shaft 20 is shown in the third modification, Figs. 6 and 7. This is a spring strip 30 formed and bored as shown, so that by pressing its ends together between the fingers it may be passed freely over the shaft 29, and will grip the shaft by expanding its ends when released. Thus the pen point 24 may be gripped in proper position between the shaft and the outwardly biased ends of the strip 3% pressing against the shaft at the bore.
Another form of adapter is shown in Figs. 8 to 10. This adapter may be formed from a single sheet stamping 31 of suitable spring material shaped and cut as indicated in Fig. 10. This sheet is sufficiently ductile to be bent and formed, as shown in Figs. 8 and 9; so that the lateral edges 32 and 33 of the sheet are brought together, the lower projections 34 and 35 form the hollow reduced shank portion 36 for mounting in the scriber clamp 17, the middle portion of the sheet being looped to form the hollow pen point holder 37, while the tongues 38 and 39 are offset inwardly of this loop to form a spring clip to receive and hold the pen point 24 against the inside of the hollow holder portion 37. The holder portion 37 is made to extend at an angle to the shank portion 36 whereby the pen point may be held at a suitable writing angle to the work surface.
By a suitable selection of sheet materials, this form of pen point adapter may be easily and cheaply made by die-cutting and forming.
It has been found that for some types of work the use of pen points of selected kinds is more suitable than any of the standard printing tips that are normally provided for use with the scribers. This is especially true where fine work is required, because printing tips are mainly designed for heavy lines. Furthermore, pen points are much easier to wipe clean, are ready for instant service, are cheaper and provide a greater variety of types that may be quickly changed to suit the requirements of finely distinctive work.
Although five different forms of the device are here illustrated, the invention is not limited to these specific forms, because it is obvious that many other modifications may be made without departing from the spirit and scope of this invention, as defined in the appended claims.
What is claimed is:
l. A pen point and printing tip holder combination comprising a pen point, means for holding said pen point in a downwardly extending writing position, said means including a reduced shank lying in a socket in said printing tip holder and extending downwardly from said holding means, an enlarged frame portion above said reduced mounting shank, the periphery of said enlarged frame portion extending over at least one side of said printing tip holder when said shank is mounted in the socket of said printing tip holder, said extending periphery being convexly curved to receive the upper end of said pen point on said side, and means for pressing said upper end of the pen point against said periphery.
2. A pen point and holder combination as defined in claim 1, said frame portion being an enlarged shank, said pressing means comprising a leaf spring clip normally aligned bores through its sides when the outer ends of the sides are compressed during assembly into substantially parallel relation, the bores then being large enough to slip over the enlarged shank portion and the upper end of the penpoint received thereby to facilitate assemblyof saidpen point and holding means, said sides when sprung apart over said upper end of the pen point after assembly being adapted to press it against said enlarged shank portion.
3. A pen point and holder combination as defined in claim 1, said pressing means comprising a clamp ring loosely fitting around said enlarged shank portion and having adjustable means for clamping against said upper end of the pen point.
4. A pen point and holder combination as defined in claim 3, said adjustable means-being a set screw threaded through said ring.
5. A pen point and holder combination as. defined in claim 3, said adjustable means being a bell crankv pivoted on the ring so that a wedge cam on one crank arm may be clamped against the upper end of the pen point by operation of the other crank arm.
6. A pen point and holder combination as defined in claim 1, said holding means being formed from a single blank of sheet metal substantially of constant width except for downwardly extended ears at its ends, the mid portion of said sheet being rolled over to form the pen point holding means, the ends of'the sheet being brought together and the ears rolled to form opposed halves of said downwardly extending reduced shank.
References Cited'in theme of this patent UNITED STATES PATENTS
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US622206A US2966137A (en) | 1956-11-14 | 1956-11-14 | Pen point adapter for scribers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US622206A US2966137A (en) | 1956-11-14 | 1956-11-14 | Pen point adapter for scribers |
Publications (1)
Publication Number | Publication Date |
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US2966137A true US2966137A (en) | 1960-12-27 |
Family
ID=24493307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US622206A Expired - Lifetime US2966137A (en) | 1956-11-14 | 1956-11-14 | Pen point adapter for scribers |
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US (1) | US2966137A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3189005A (en) * | 1963-08-12 | 1965-06-15 | Gunnar B Hansen | Structure for lettering scribers |
US3192629A (en) * | 1963-07-17 | 1965-07-06 | Dewey H Morrison | Adaptor for scribers |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US460635A (en) * | 1891-10-06 | Art of producing copper or other like printing-surfaces | ||
US470938A (en) * | 1892-03-15 | Penholder | ||
US474644A (en) * | 1892-05-10 | Penholder | ||
US849911A (en) * | 1906-04-14 | 1907-04-09 | Roy Moore | Penholder. |
US1775813A (en) * | 1928-10-29 | 1930-09-16 | Vincent V Colby | Curve cutter |
US1825730A (en) * | 1928-12-06 | 1931-10-06 | Henry E Hoke | Pen clip |
US2213120A (en) * | 1939-01-10 | 1940-08-27 | Keuffel & Esser Co | Attachment for lettering scribers |
-
1956
- 1956-11-14 US US622206A patent/US2966137A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US460635A (en) * | 1891-10-06 | Art of producing copper or other like printing-surfaces | ||
US470938A (en) * | 1892-03-15 | Penholder | ||
US474644A (en) * | 1892-05-10 | Penholder | ||
US849911A (en) * | 1906-04-14 | 1907-04-09 | Roy Moore | Penholder. |
US1775813A (en) * | 1928-10-29 | 1930-09-16 | Vincent V Colby | Curve cutter |
US1825730A (en) * | 1928-12-06 | 1931-10-06 | Henry E Hoke | Pen clip |
US2213120A (en) * | 1939-01-10 | 1940-08-27 | Keuffel & Esser Co | Attachment for lettering scribers |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3192629A (en) * | 1963-07-17 | 1965-07-06 | Dewey H Morrison | Adaptor for scribers |
US3189005A (en) * | 1963-08-12 | 1965-06-15 | Gunnar B Hansen | Structure for lettering scribers |
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