Reservoir-type inking pen system

Claim 2

A reservoir inking pen system comprising: an ink container; a container support device including means enabling vertical sliding adjustment of said ink container; a capillary ink feed tube means extending from adjacent the bottom of said container and up through the top portion thereof; an ink pen assembly including an ink penhead having a metal capillary tube projecting from one end and connected in capillary fluid communication with the other end of said tube means; at least an intermediate portion of said tube means between said container and said pen assembly being lightweight and extremely flexible; said ink pen assembly having a deflectable arm and means securing said metal capillary tube to said deflectable arm; said ink penhead comprising a vertical compartment having a fiber penpoint inserted up into the bottom thereof and a secondary ink reservoir chamber having a larger cross-sectional area than a cross section drawn through saId metal capillary tube, located between the top of said fiber portion and in communication with said metal capillary tube.

Claim 3

A system as defined in claim 1, wherein said ink container has an apertured stopper in its upper end, said tube means includes metal stinger tube inserted into said container through the aperture of said stopper, said stopper further includes a pressure-equalizing bleed passage into said container.

Claim 4

A system as defined in claim 1, wherein said support device includes a sliding sleeve clip and a vertical elongate support member; said clip embracing and frictionally holding said elongate support member and said container in contacting adjacent relationship enabling selective adjustment of said clip and container along said support member against the friction bias.

Claim 5

In the system as claimed in claim 3, said ink container constituting a small resilient plastic bottle; said sleeve clip constituting a sleevelike split metal clip embracing on its inner side said elongate support member and surrounding said plastic bottle and creating a bias force on said bottle pressing and slightly deforming said bottle in a frictionally bearing relationship against said elongate support member thereby frictionally biasing said elongate support member against the inner surface of said sleeve clip.

Claim 6

A system as defined in claim 4, wherein said elongate support member is a stainless steel wire rod having a reverse bend hook arrangement adjacent its top end and said encircling spring clip has vertical groove means provided on its inner side for partially receiving said elongate support member.

Claim 7

A system as defined in claim 1, wherein said ink pen assembly comprises pen arm means; said penhead is located at the end of said arm means and comprises a stainless steel thin-walled cylinder sleeve the upper end of which has inserted coaxially therein a portion of said pen arm means extending less than half of the distance of said sleeve length, cohesive bonding means seal and secure said arm end portion to said sleeve, a capillary passage means comprises at least a part of the terminal end of said end portion of said pen arm and is in capillary fluid communication with the interior of said penhead and enables attachment of a flexible capillary tubing, said fiber penpoint having a substantially cylindrical upper end spigoted into the lower open end of said sleeve and terminating in spaced relationship to the secured end of said pen arm, the lower end of said fiber penpoint being contoured to an ink drawing point.

Claim 8

A system as defined in claim 6, wherein said pen arm comprises a stainless steel capillary tube having an end portion bent transverse to the main extent of said capillary tube and forming the portion which is secured within the upper end of said stainless steel sleeve of said penhead, and a very thin stainless steel leaf spring having a terminal end adapted for attachment to an operator lever and the other end of said spring leaf having securing means securing rigidly a midportion of said stainless steel capillary tubing to said spring leaf.

Claim 9

For use as an inking pen system ink reservoir adjustable support device, a sliding sleevelike spring clip and a vertical elongate support member over which said clip is placed, said clip encircling and resiliently biasing an ink container within the clip and against said support member with a frictional force sufficient to hold the container and said clip at selected positions on said support member.

Claim 10

For use as an inking pen system ink reservoir adjustable support device, a sliding sleevelike spring clip and a vertical elongate support member over which said clip is placed, said clip encircling and resiliently biasing an ink container within the clip and against said support member with a frictional force sufficient to hold the container and said clip at selected positions on said support member.

Claim 11

A reservoir support device as defined in claim 8, wherein said elongate support member is a stainless steel wire rod having a reverse bend hook arrangement adjacent its top end and said encircling spring clip has vertical groove means provided on its inner side for partially receiving said elongate support member.

Claim 12

A reservoir support device as defined in claim 8, including the ink container and said ink container is a resilient plastic bottle.

Claim 13

An inking pen coMprising: pen arm means and a penhead secured at the end of said arm means, said pen head comprising a thin-walled metal sleeve, the upper end of which has inserted centrally therein a portion of said pen arm means, cohesive bonding means sealing and securing said arm end portion to said sleeve, a capillary passage means comprising at least the terminal end portion of said pen arm and having means in capillary fluid communication from the exterior to the interior of said penhead, and a porous fiber pen tip having a shaped upper end in conformity with the cross section of said sleeve and spigoted into the lower open end of said sleeve terminating in spaced relationship to the secured end of said pen arm to provide a chamber within said sleeve, the lower end of said porous fiber tip being contoured to an inking point.

Claim 14

An inking pen coMprising: pen arm means and a penhead secured at the end of said arm means, said pen head comprising a thin-walled metal sleeve, the upper end of which has inserted centrally therein a portion of said pen arm means, cohesive bonding means sealing and securing said arm end portion to said sleeve, a capillary passage means comprising at least the terminal end portion of said pen arm and having means in capillary fluid communication from the exterior to the interior of said penhead, and a porous fiber pen tip having a shaped upper end in conformity with the cross section of said sleeve and spigoted into the lower open end of said sleeve terminating in spaced relationship to the secured end of said pen arm to provide a chamber within said sleeve, the lower end of said porous fiber tip being contoured to an inking point.

Claim 15

A pen as defined in claim 11, wherein said sleeve is made from stainless steel said pen arm comprises a stainless steel capillary tube including the portion which is secured within the upper end of said sleeve, and a very thin stainless steel leaf spring having a terminal end adapted for attachment to an operator lever and means on its other end securing a midportion of said stainless steel capillary tube rigidly thereto.

Claim 16

A pen as defined in claim 11, wherein shoulder means between said sleeve and said porous tip define the limit of insertion of said tip into said sleeve.

Claim 17

A pen as defined in claim 11, wherein the porous tip, excepting for a minute portion of its lower end point, has a nonporous cover material.

Claim 18

A pen as defined in claim 11, wherein said porous tip has a hole therein from its point to its other end providing a through passage for ink and said hole is smaller in cross section dimension than the capillary passage cross section.

Claim 19

A pen as defined in claim 15, wherein the portion of said porous tip exterior of said sleeve is covered with a nonporous material and said tip passage opens through said nonporous material.

Claim 20

A recording inking pen in which the recording end of the penhead includes a small diameter sleeve portion, comprising a porous pen tip having a shaped upper end portion in conformity with the interior cross section of the sleeve portion of the penhead, constructed to have a snug friction fit when spigotted into the lower penhead sleeve portion, a pen tip lower portion adapted to protrude from the lower open end of the sleeve portion and contoured to an inking point, and means defining a hole extending from said inking point to the other end of the pen tip, said hole having a cross section size providing a minute capillary through passage for ink, said hole cross section size being greater than the diameter of the minute capillary passages inherent in the structure of said porous pen tip.

Claim 21

A recording inking pen in which the recording end of the penhead includes a small diameter sleeve portion, comprising a porous pen tip having a shaped upper end portion in conformity with the interior cross section of the sleeve portion of the penhead, constructed to have a snug friction fit when spigotted into the lower penhead sleeve portion, a pen tip lower portion adapted to protrude from the lower open end of the sleeve portion and contoured to an inking point, and means defining a hole extending from said inking point to the other end of the pen tip, said hole having a cross section size providing a minute capillary through passage for ink, said hole cross section size being greater than the diameter of the minute capillary passages inherent in the structure of said porous pen tip.

Claim 22

A porous pen tip as defined in claim 17 wherein said upper portion has a smaller cross section than that portion of the lower contoured portion immediately adjacent said upper portion thereby defining a stepped shoulder located intermediate the two portions of said tip, said stepped shoulder constituting an abutment portion adapted to cooperate with the bottom periphery of the penhead sleeve portion to limit the insertion position of said porous tip into said penhead sleeve portion.

Claim 23

A porous pen tip as defined in claim 17, wherein at least the lower portion of the porous tip which is adapted to extend from the sleeve, excepting for a minute portion of its lowermost contoured point, has a nonporous cover material.

Claim 24

A reservoir inking pen system comprising: an ink container; a container support device including means enabling vertical sliding adjustment of said ink container; a capillary ink feed tube means extending from adjacent the bottom of said container and up through the top portion thererof; an ink pen assembly including an ink penhead having a metal capillary tube projecting from one end and connected in capillary fluid communication with the other end of said tUbe means; at least an intermediate portion of said tube means between said container and said pen assembly being lightweight and extremely flexible; said ink pen assembly having a deflectible arm and means securing said metal capillary tube to said deflectible arm; said ink penhead comprising a vertical compartment having a fiber penpoint inserted up into the bottom thereof and the upper portion of said vertical compartment providing fluid communication from the top of said fiber portion to the passage in said metal capillary tube, said vertical compartment having a larger cross-sectional area than a cross section drawn through said metal capillary tube.

Claim 25

A reservoir inking pen system comprising: an ink container; a container support device including means enabling vertical sliding adjustment of said ink container; a capillary ink feed tube means extending from adjacent the bottom of said container and up through the top portion thererof; an ink pen assembly including an ink penhead having a metal capillary tube projecting from one end and connected in capillary fluid communication with the other end of said tUbe means; at least an intermediate portion of said tube means between said container and said pen assembly being lightweight and extremely flexible; said ink pen assembly having a deflectible arm and means securing said metal capillary tube to said deflectible arm; said ink penhead comprising a vertical compartment having a fiber penpoint inserted up into the bottom thereof and the upper portion of said vertical compartment providing fluid communication from the top of said fiber portion to the passage in said metal capillary tube, said vertical compartment having a larger cross-sectional area than a cross section drawn through said metal capillary tube.

Claim 26

A system as defined in claim 20, wherein said support device includes a sliding clip and a vertical elongate support member; said clip embracing and frictionally maintained on both said elongate support member and said container, enabling selective adjustment of said clip and container along said support member against the friction bias.