CA1097535A - Printing type orienting device for label printing machine - Google Patents
Printing type orienting device for label printing machineInfo
- Publication number
- CA1097535A CA1097535A CA287,764A CA287764A CA1097535A CA 1097535 A CA1097535 A CA 1097535A CA 287764 A CA287764 A CA 287764A CA 1097535 A CA1097535 A CA 1097535A
- Authority
- CA
- Canada
- Prior art keywords
- positioning
- bridging member
- belt
- positioning gear
- printing
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/08—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters
- B41K1/10—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters having movable type-carrying bands or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K5/00—Plier-like tools for stamping, or stamping and delivering, tickets or the like
- B41K5/02—Plier-like tools for stamping, or stamping and delivering, tickets or the like with means for varying the image stamped
- B41K5/023—Plier-like tools for stamping, or stamping and delivering, tickets or the like with means for varying the image stamped having type-carrying bands or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C11/00—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles
- B65C11/02—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles having printing equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C11/00—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles
- B65C11/02—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles having printing equipment
- B65C11/0205—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles having printing equipment modified for the application of labels to articles
- B65C11/021—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles having printing equipment modified for the application of labels to articles label feeding from strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C2210/00—Details of manually controlled or manually operable label dispensers
- B65C2210/0037—Printing equipment
- B65C2210/004—Printing equipment using printing heads
- B65C2210/0045—Printing equipment using printing heads mechanically actuated, e.g. by a hand lever
Landscapes
- Labeling Devices (AREA)
Abstract
PRINTING TYPE ORIENTING DEVICE
FOR LABEL PRINTING MACHINE
Abstract of the Disclosure A printing type orienting device for a portable label printing and dispensing machine: a printing device provided with type face carrying stamp belts; a bridging member disposed between the frames of the printing device, a guide pin for each stamp belt positioning gear; a pushing member for depressing each positioning gear, a compression spring disposed around each guide pin and in the spaces between the bridging member and the pushing members; in a printing device having these supporting members, the type faces on the stamp belts are always held parallel to the surface of a label to be printed.
FOR LABEL PRINTING MACHINE
Abstract of the Disclosure A printing type orienting device for a portable label printing and dispensing machine: a printing device provided with type face carrying stamp belts; a bridging member disposed between the frames of the printing device, a guide pin for each stamp belt positioning gear; a pushing member for depressing each positioning gear, a compression spring disposed around each guide pin and in the spaces between the bridging member and the pushing members; in a printing device having these supporting members, the type faces on the stamp belts are always held parallel to the surface of a label to be printed.
Description
7~i3~
PRINTING TYPE ORIENTING DEVICE FOR LABEL PRINTING MACHINE
sackground of the Invention Field of the Invention This invention relates to a means for maintaining the orientation of the type faces of a printing device for a portable label printing and dispensing machine (hereinafter referred to as "label printing machine") and more particularly, for maintaining the type faces always parallel to the surface of a label to be printed, so that highly precise printing without any fluctuation in the depth of the printed figures can be attained.
Description of the Prior Art There are generally two ways to attach a printing device to a label printing machine. In one method, the printing device is attached to yoke arms which are disposed at the front portion of a hand lever and the printing deviae is swung ~p and down by the operation of the hand lever. When the printing device is moved down by squeezing of the hand lever to the hand grip, the type faces on the underside of the printing device are brought into contact with the label that is then on a fixed platen. In the other method, the printing device is directly fixed to the label printing frame. Since the printing device is stationary, the platen that supports a label thereon is moved up by the squeezing of the hand lever to the hand yrip so as to bring the label into contact with the type faces that are disposed on the underside of the fixed printing device.
A printing device with which the present invention is used comprises a plurality O r endless stamp belts that are stretched between rotatable selector wheels and positioning gears and that are arrayed side by side. The desired type on each stamp belt is shifted to the printing position by manipulating a selector knob which rotates the respective selector wheel. The positioning gears are supported by spring actuated supporting members, which maintain the types on the stamp belts parallel to the surface of a label to be printed.
7~3~
The spring actuated supporting members all include a single bridging member that is secured to the frames of the printing device. Each spring actuated supporting member also comprises a plurality of pins, compression springs and pushing members which are urged down by the compression spring toward the positioning gears. This conventional structure will be further described with reference to the accompanying drawings.
Because the undersurfaces of the pushing members always press against the outer surfaces of the positioning gears under the force of compression springs, the positions of the gears and of the type faces on the stamp belt are set to the printing position and are held at a predetermined angular orientation with respect to the label being printed.
Each pushing member is moved vertically along its pin as its positioning gear is rotated. Therefore, the pushing members are liable to become loose and may rock owing to the wearing of the engaging surfaces of the pin and pushing members.
Accordingly, the type faces cannot be maintained parallel to the surfaces of the labels to be printed. Labels printed by type faces that are not parallel to the label causes the depth of the printed figures to be uneven, and the printed figures are difficult to be read.
In the past, figures that were not printed clearly have still been accepted because they have only had to be readable with the naked eye when customers buy commodities and cashiers add up the sales.
In recent years, what is called the P.O.S. (point of sales) system has become widely employed. Machine readable bar codes or optically readable characters which are printed on labels are read out by optical character reading machines that are connected to electronic computers, and sales data and management data such as stock, proceeds, customers relative to commodities and gains are processed and stored by the computers.
For optical character readers, it is necessary to print labels more clearly and precisely as compared with characters that are ~$~35 to be read wlth the naked eye.
Summary of the Invention The present invention seeks to provide an improved printing device for a label printing machine, in which the type faces on stamp belts can be held parallel with the surface of a label to be printed.
The present invention further seeks to provide a printing device, which enables clear and precise printing, which can be used for a long period of time without deterioration of its performance, which is not complicated in structure and which can be produced easily at low cost.
The printing device is comprised of a plurality of spring actuated supporting mernbers. There is a bridging member serving all of the supporting members and that is disposed in the space between the stationary frames that are on and that define both sides of the printing device. There are a plurality of pins, the top portions of which are fixed to the bridging member. There are pushing members which ea~h have a sliding recess to receive therein the bridging member. A
sliding hole is formed in the bottom surface of each sliding recess. The pushing members have an undersurface which is brought into contact with the top of the positioning gear. A
compression spring is disposed around each pin and spans the space between the bridging member and the bottom surface of the sliding recess for always pressing the pushing member into contact with the positioning gear and for depressing that gear.
The pushing members in the present invention are taller than those in the prior art device, and the pushing member is vertically supported by both the spring actuated pin and the side walls of the bridging member. Therefore, the pushing member is always moved vertically without any play and the undersurface of the positioning gear together with the type faces on the undersurface of the pushing member can always be maintained horizontal and parallel to the label surface.
Thus broadly the present invention comprehends a ~ 3~ ~ 3 ~
device for orienting the type faces on a stamp belt of a printing device, which is used for a label printing machine, or the like. The printing device comprises a plurality of stamp belts, each having an exterior and each carrying a plurality of types along its exterior. The printing device further comprises a respective selector wheel for each of the belts and around which each of the belts passes and which each of the belts engage. A respective positioning gear for each belt, and around which each belt passes, engages each belt. The positioning gear is multisided, includinq a first side enqaqeable with a positioning member and out of engagement with the belt. A
second side points in a printing direction and in engagement with the belt, such that a type at the positioning gear second side will be printed. The stamp belt is drawn securely around the positioning gear, thereby acting in opposition to an elastic means. The printing device also comprises a bridging member supported stationary with respect to the printing device. The bridging member has two oppositely facing, upstanding sides, each extending generally parallel to the axis of rotation of the positioning gear. The bridging member has a bottom side. The type face orienting device comprises the bridging member and a respective pin for each belt. Each pin is secured to and immovable with respect to the bridging member and each pin projects below the bridging member. Each belt has a respective positioning member. The positioning member has two upstanding walls which are spaced apart and are of a height to extend up past the oppositel~ facing sides of the bridging member. The upstanding walls of the positioning member define a sliding recess between them and each positioning member wall extends up past and in engagement with the opposed side of the bridging member. The sliding recess is of a width defined between the upstanding walls to slidingly receive and engage the oppositely facing sides of the bridging member in the recess. Thus the positioning member may be slidingly guided to move along the bridging member. The recess has a bottom and the bridging :~La~753s member bottom side faces toward and is spaced from the bottom of the sliding recess. A sliding hole at the bottom of the sliding recess may be shaped and positioned for slidingly receiving and engaging the projecting pin, thereby further guiding the motion of the positioning member with respect to the bridging member.
Alternately, guide pin means extending and projecting from one of the positioning members and the bridging member into the other of these elements may further guide the respective motion of these elements. The positioning member includes an engaging side for engaging and pressing against the first side of the positioning gear. A spring is located in the sliding recess engaging the bottom of the sliding recess and the bottom side of the bridging member. The spring is chargeable by movement of the bridging member into the sliding recess. The spring is for biasing the positioning member engaging side against the positioning gear first side and for biasing the positioning member away from the bridging member, while the pin is in the sliding hole and the bridging member is in the sliding recess.
Brief Description of the Drawings The foregoing and other objects and features of the invention will be more apparent from the following description taken in conjunct:ion with the accompanying drawings, in which:
Fig. 1 is an enlarged, cross-sectional, elevational view of the main part of a printing device in the prior art;
Fig. 2 is a partially exploded side elevational view of a label printing machine which has a printing device of the present invention;
Fig. 3 is a partly exploded, side elevational view of the printing device of the invention;
Fig. ~ is a vertical cross-sectional view of the printing device;
Fig. 5 is an enlarged perspective view of the main portion of the printing device;
Fig. 6 is an enlarged cross-sectional, elevational view of the main part of the printing device of the invention;
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Figs. 7a and 7b are plan views of printed labels in which the former is printed clearly and the latter is printed unclearly/ appearing with Fig. S.
Des~ tion of a Preferred Embodiment A portable label printing machine is equipped with either a conventional printing device or with the one of the present invention. In one known label printing machine, as shown in Fig. 2, there is a printing head 3 that is attached to forwardly extending yoke arms 4, and the arms 4 are swung ~ -5a-1~7S35 downwardly by squee~ing a hand lever 2 toward a hand grip 1.
To print a label, the types or stamps 5 that are disposed on the underside of the printing head 3 are moved into contact with the label which is placed on a platen 6 attached to the machine frames 36 and 36'. In another known label printing machine, the printing head 3 is immovably secured to the machine frames 36 and 36' of the label printing machine. In this type of label printing machine, the platen 6 on which a label sits is moved up by operation of the hand lever ~ so that the label is brought into contact with the types or stamps 5 on the underside of the printing head 3.
In the printing head 3 for either a conventional printing device or for the printing device of the present invention, as shown in Figs. 3 and 4, selector wheels 8 are rotated by means of a selector knob 7 and the stamp belts 9 tra~eling around the selector wheels 8 are supported at their lower portions by positioning gears 11. The stamp belts are stretched tightly around the wheels 8 and gears 11. Since the position;ng gears ll are subjected to the action of spring-actuated supporting members 10, the types 5 of stamp belts 9 are held in their printing positions and the type faces 5 are maintained parallel to the surface of a label to be printed.
A conventional positioning and supporting mechanism for stamp belts is described with reference to Fig. l. A
pi~ot shaft 113 is attached to a pair o-f side frames 120 of a printing head 103. A plurality of positioning gears 111 are independently pivotally secured side by side to the shaft 113. There is a respective positioning gear 111 for each stamp belt 109. The belts 109 travel around the posi-tioning gears 111 in side by side relationship.
At the upper sidcs of all of the positioning gears 111 are disposed spring actuated supporting members 110.
The springs are charged by the ~autness of belts 109.
Members 110 are comprised o-f a bridging member 114 that is immcvably secured to and in the space between the frames 120. Each supporting member includes a pin 115, the top end of which is securely held in a depression at the top of the bridging member 114, whereby the pin does not move with respect to the bridging member. A compression spring 116 is fitted around each pin 115 and its upper end pushes up against member 114. There is a pushing member 118 above each gear 111. The pushing member 118 has a sliding hole 117 at its top end to receive the lower portion of the pin 115. Member 118 is urged downwardly by the compression spring 116 toward the positioning gear lll.
The undersurface of the pushing member 118 is always spring pressed against the upper surface ll9 of the positioning gear 111 by the force of compression spring 116.
The position o-f the positioning gear lll and thus of the type face 105 oE stamp belt 109 is correctly set at the printing position and at a predetermined angular orientation.
Each pushing member 118 is lifted every time its positioning gear 111 turns, and the member 118 slides ~erti-cally along the pin 115. The pushing members 118 are liable to become wobbly owing to dimensional errors which result from the wearing of the outer surfaces of the pins 115 and of the inner walls of the sliding holes 117. Eventually, the type faces 105 cannot be ma;ntained parallel to the surface of a label to be printed on the platen. Label printîng with such misaligned type faces causes the depth of printing at one side of the printed figures to be different ..,,.
753~
from the depth at the other side of the figures, as shown in Fig. 7b, which makes reading of the characters difficult.
The printing device of the present invention has been designed to overcome the above described disadvantage of the prior art. The printing device of the present invention maintains the type faces of stamp belts at predetermined correct positions and also attains high precision printing on labels without unevenness of the depth of the printed figures.
The label printing machine shown in Fig. 2 includes a printing head 3. The rear (or right in Fig.
PRINTING TYPE ORIENTING DEVICE FOR LABEL PRINTING MACHINE
sackground of the Invention Field of the Invention This invention relates to a means for maintaining the orientation of the type faces of a printing device for a portable label printing and dispensing machine (hereinafter referred to as "label printing machine") and more particularly, for maintaining the type faces always parallel to the surface of a label to be printed, so that highly precise printing without any fluctuation in the depth of the printed figures can be attained.
Description of the Prior Art There are generally two ways to attach a printing device to a label printing machine. In one method, the printing device is attached to yoke arms which are disposed at the front portion of a hand lever and the printing deviae is swung ~p and down by the operation of the hand lever. When the printing device is moved down by squeezing of the hand lever to the hand grip, the type faces on the underside of the printing device are brought into contact with the label that is then on a fixed platen. In the other method, the printing device is directly fixed to the label printing frame. Since the printing device is stationary, the platen that supports a label thereon is moved up by the squeezing of the hand lever to the hand yrip so as to bring the label into contact with the type faces that are disposed on the underside of the fixed printing device.
A printing device with which the present invention is used comprises a plurality O r endless stamp belts that are stretched between rotatable selector wheels and positioning gears and that are arrayed side by side. The desired type on each stamp belt is shifted to the printing position by manipulating a selector knob which rotates the respective selector wheel. The positioning gears are supported by spring actuated supporting members, which maintain the types on the stamp belts parallel to the surface of a label to be printed.
7~3~
The spring actuated supporting members all include a single bridging member that is secured to the frames of the printing device. Each spring actuated supporting member also comprises a plurality of pins, compression springs and pushing members which are urged down by the compression spring toward the positioning gears. This conventional structure will be further described with reference to the accompanying drawings.
Because the undersurfaces of the pushing members always press against the outer surfaces of the positioning gears under the force of compression springs, the positions of the gears and of the type faces on the stamp belt are set to the printing position and are held at a predetermined angular orientation with respect to the label being printed.
Each pushing member is moved vertically along its pin as its positioning gear is rotated. Therefore, the pushing members are liable to become loose and may rock owing to the wearing of the engaging surfaces of the pin and pushing members.
Accordingly, the type faces cannot be maintained parallel to the surfaces of the labels to be printed. Labels printed by type faces that are not parallel to the label causes the depth of the printed figures to be uneven, and the printed figures are difficult to be read.
In the past, figures that were not printed clearly have still been accepted because they have only had to be readable with the naked eye when customers buy commodities and cashiers add up the sales.
In recent years, what is called the P.O.S. (point of sales) system has become widely employed. Machine readable bar codes or optically readable characters which are printed on labels are read out by optical character reading machines that are connected to electronic computers, and sales data and management data such as stock, proceeds, customers relative to commodities and gains are processed and stored by the computers.
For optical character readers, it is necessary to print labels more clearly and precisely as compared with characters that are ~$~35 to be read wlth the naked eye.
Summary of the Invention The present invention seeks to provide an improved printing device for a label printing machine, in which the type faces on stamp belts can be held parallel with the surface of a label to be printed.
The present invention further seeks to provide a printing device, which enables clear and precise printing, which can be used for a long period of time without deterioration of its performance, which is not complicated in structure and which can be produced easily at low cost.
The printing device is comprised of a plurality of spring actuated supporting mernbers. There is a bridging member serving all of the supporting members and that is disposed in the space between the stationary frames that are on and that define both sides of the printing device. There are a plurality of pins, the top portions of which are fixed to the bridging member. There are pushing members which ea~h have a sliding recess to receive therein the bridging member. A
sliding hole is formed in the bottom surface of each sliding recess. The pushing members have an undersurface which is brought into contact with the top of the positioning gear. A
compression spring is disposed around each pin and spans the space between the bridging member and the bottom surface of the sliding recess for always pressing the pushing member into contact with the positioning gear and for depressing that gear.
The pushing members in the present invention are taller than those in the prior art device, and the pushing member is vertically supported by both the spring actuated pin and the side walls of the bridging member. Therefore, the pushing member is always moved vertically without any play and the undersurface of the positioning gear together with the type faces on the undersurface of the pushing member can always be maintained horizontal and parallel to the label surface.
Thus broadly the present invention comprehends a ~ 3~ ~ 3 ~
device for orienting the type faces on a stamp belt of a printing device, which is used for a label printing machine, or the like. The printing device comprises a plurality of stamp belts, each having an exterior and each carrying a plurality of types along its exterior. The printing device further comprises a respective selector wheel for each of the belts and around which each of the belts passes and which each of the belts engage. A respective positioning gear for each belt, and around which each belt passes, engages each belt. The positioning gear is multisided, includinq a first side enqaqeable with a positioning member and out of engagement with the belt. A
second side points in a printing direction and in engagement with the belt, such that a type at the positioning gear second side will be printed. The stamp belt is drawn securely around the positioning gear, thereby acting in opposition to an elastic means. The printing device also comprises a bridging member supported stationary with respect to the printing device. The bridging member has two oppositely facing, upstanding sides, each extending generally parallel to the axis of rotation of the positioning gear. The bridging member has a bottom side. The type face orienting device comprises the bridging member and a respective pin for each belt. Each pin is secured to and immovable with respect to the bridging member and each pin projects below the bridging member. Each belt has a respective positioning member. The positioning member has two upstanding walls which are spaced apart and are of a height to extend up past the oppositel~ facing sides of the bridging member. The upstanding walls of the positioning member define a sliding recess between them and each positioning member wall extends up past and in engagement with the opposed side of the bridging member. The sliding recess is of a width defined between the upstanding walls to slidingly receive and engage the oppositely facing sides of the bridging member in the recess. Thus the positioning member may be slidingly guided to move along the bridging member. The recess has a bottom and the bridging :~La~753s member bottom side faces toward and is spaced from the bottom of the sliding recess. A sliding hole at the bottom of the sliding recess may be shaped and positioned for slidingly receiving and engaging the projecting pin, thereby further guiding the motion of the positioning member with respect to the bridging member.
Alternately, guide pin means extending and projecting from one of the positioning members and the bridging member into the other of these elements may further guide the respective motion of these elements. The positioning member includes an engaging side for engaging and pressing against the first side of the positioning gear. A spring is located in the sliding recess engaging the bottom of the sliding recess and the bottom side of the bridging member. The spring is chargeable by movement of the bridging member into the sliding recess. The spring is for biasing the positioning member engaging side against the positioning gear first side and for biasing the positioning member away from the bridging member, while the pin is in the sliding hole and the bridging member is in the sliding recess.
Brief Description of the Drawings The foregoing and other objects and features of the invention will be more apparent from the following description taken in conjunct:ion with the accompanying drawings, in which:
Fig. 1 is an enlarged, cross-sectional, elevational view of the main part of a printing device in the prior art;
Fig. 2 is a partially exploded side elevational view of a label printing machine which has a printing device of the present invention;
Fig. 3 is a partly exploded, side elevational view of the printing device of the invention;
Fig. ~ is a vertical cross-sectional view of the printing device;
Fig. 5 is an enlarged perspective view of the main portion of the printing device;
Fig. 6 is an enlarged cross-sectional, elevational view of the main part of the printing device of the invention;
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Figs. 7a and 7b are plan views of printed labels in which the former is printed clearly and the latter is printed unclearly/ appearing with Fig. S.
Des~ tion of a Preferred Embodiment A portable label printing machine is equipped with either a conventional printing device or with the one of the present invention. In one known label printing machine, as shown in Fig. 2, there is a printing head 3 that is attached to forwardly extending yoke arms 4, and the arms 4 are swung ~ -5a-1~7S35 downwardly by squee~ing a hand lever 2 toward a hand grip 1.
To print a label, the types or stamps 5 that are disposed on the underside of the printing head 3 are moved into contact with the label which is placed on a platen 6 attached to the machine frames 36 and 36'. In another known label printing machine, the printing head 3 is immovably secured to the machine frames 36 and 36' of the label printing machine. In this type of label printing machine, the platen 6 on which a label sits is moved up by operation of the hand lever ~ so that the label is brought into contact with the types or stamps 5 on the underside of the printing head 3.
In the printing head 3 for either a conventional printing device or for the printing device of the present invention, as shown in Figs. 3 and 4, selector wheels 8 are rotated by means of a selector knob 7 and the stamp belts 9 tra~eling around the selector wheels 8 are supported at their lower portions by positioning gears 11. The stamp belts are stretched tightly around the wheels 8 and gears 11. Since the position;ng gears ll are subjected to the action of spring-actuated supporting members 10, the types 5 of stamp belts 9 are held in their printing positions and the type faces 5 are maintained parallel to the surface of a label to be printed.
A conventional positioning and supporting mechanism for stamp belts is described with reference to Fig. l. A
pi~ot shaft 113 is attached to a pair o-f side frames 120 of a printing head 103. A plurality of positioning gears 111 are independently pivotally secured side by side to the shaft 113. There is a respective positioning gear 111 for each stamp belt 109. The belts 109 travel around the posi-tioning gears 111 in side by side relationship.
At the upper sidcs of all of the positioning gears 111 are disposed spring actuated supporting members 110.
The springs are charged by the ~autness of belts 109.
Members 110 are comprised o-f a bridging member 114 that is immcvably secured to and in the space between the frames 120. Each supporting member includes a pin 115, the top end of which is securely held in a depression at the top of the bridging member 114, whereby the pin does not move with respect to the bridging member. A compression spring 116 is fitted around each pin 115 and its upper end pushes up against member 114. There is a pushing member 118 above each gear 111. The pushing member 118 has a sliding hole 117 at its top end to receive the lower portion of the pin 115. Member 118 is urged downwardly by the compression spring 116 toward the positioning gear lll.
The undersurface of the pushing member 118 is always spring pressed against the upper surface ll9 of the positioning gear 111 by the force of compression spring 116.
The position o-f the positioning gear lll and thus of the type face 105 oE stamp belt 109 is correctly set at the printing position and at a predetermined angular orientation.
Each pushing member 118 is lifted every time its positioning gear 111 turns, and the member 118 slides ~erti-cally along the pin 115. The pushing members 118 are liable to become wobbly owing to dimensional errors which result from the wearing of the outer surfaces of the pins 115 and of the inner walls of the sliding holes 117. Eventually, the type faces 105 cannot be ma;ntained parallel to the surface of a label to be printed on the platen. Label printîng with such misaligned type faces causes the depth of printing at one side of the printed figures to be different ..,,.
753~
from the depth at the other side of the figures, as shown in Fig. 7b, which makes reading of the characters difficult.
The printing device of the present invention has been designed to overcome the above described disadvantage of the prior art. The printing device of the present invention maintains the type faces of stamp belts at predetermined correct positions and also attains high precision printing on labels without unevenness of the depth of the printed figures.
The label printing machine shown in Fig. 2 includes a printing head 3. The rear (or right in Fig.
2) portions of the machine frames 36 and 36' are elongated to form a hand grip 1. Below the hand grip 1, a hand lever 2 is pivotally secured to grip 1 at a shaft 35. The front portion of the hand lever 2 is elongated to form a pair of bifurcated yoke arms 4. In the space between the free ends of the yoke arms 4, a printing head 3 is disposed with set screws 34.
As shown in Figs. 3 and 4, the printing head
As shown in Figs. 3 and 4, the printing head
3 comprises a printing head casing 19, a pair of spaced apart frames 20 tha~ are attached to head casing 19, a front cover 21 at one side, a rear cover 22 at the other side, a printing angle adjusting section Z3 that is attached to the frames 20 and the -front cover 21, and side plates 12 that are fixed to a pair of the yoke arms 4 of the label printing machine. The front cover 21 and rear cover 22 are attached to both side plates 12 by shafts 21a and 22a. The angle at which the type faces 5 of the stamp belts 9 strike the labels can be adjusted by manipulating the adjusting screw 24 of the angle adjusting section 23.
., The group oE endless stamp belts 9 are held within the printing head casing 19 and are stretched around upper type face selector wheels 8 that are arrayed side by side and around lo~er position;ng gears 11 that have spring actuated supporting members lQ that are disposed between the frames 20. Each selector wheel 8 has internal gear teeth ~5 which are engageable by an engaging piece 27 that is attached to a selector shaft 26 having a selector knob 7. By axial movement of shaft 26 using knob 7, the engaging piece 27 is moved into a partlcular wheel 8, and rotation of knob 7 rotates the selected wheel 8. With this mechanism, any desired selector wheel 8 can be rotated so as to move its stamp belt 9 lengthwise.
Each of the stamp belts 9 is endless. One-half of the outer surface of the belt is provided with printing types 5 and the other half carries visible indicating figures 28. The indicating figures 28 can be observed through a window 29 that is formed in the upper part of the printing head casing 19~ Stamp belts 9 are flexible, but essentially nonstretchable.
Referring to Pig. 6, thre is a positioning and supporting mechanism or the stamp belts 9 at the lower portion o~ the printing head 3. The positioning gears 11 are supported in side by side relationship by a pivot shaft 13 which is attached to and extends between the frames 20.
On each of the four outer sides of the square positioning gear 11, there is an engaging recess 31 which is brought into engagement with a correspondingly shaped en~aging projec~ion 30 that is formed on the inside surface of the stamp belt 9~
.
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l`here are spring actuated supporting Members 10 which are disposed ~bove the positioning gears 11. Members 10 comprise a s;ngle bridging member 14 which is fixed to and exten~s completely between the frames 20. There are pins 15 whose upper ends are attached to the bridging member 14. Compression springs 16 are disposed around the pins 15.
The lower ends of pins 15 project beneath the bridging member. There are pushing members 18 which are always pressed toward the positioning gears 11 which are below the members 18.
Sliding recesses 32 formed in pushing members 18 receive the bridging member 14. Sliding holes 17 in members 18 recei~e the pins 15, and the upper ends of the holes 17 communicate with the sliding recesses 32. The springs 16 press against the top of the bottom recess in bridging member 14 and against ~he bottoms of the recesses 32.
Pushing members 18 are pushed down by the compression springs 16.
To facilitate the smooth turning of the positioning gears 11, the undersurface 33 of each pushing member 18 is rounded concavely.
The operation of this supporting member is now described. When a selected stamp belt 9 is moved around by the selector knob 7, the positioning gear 11 is rotated~
because the engaging recesses 31 of the positioning gear 11 ; are in engagçmen~ with the engagi~g projections 30 of the stamp belt 9~ The corner 37 of the positioning gear 11 that is just belo~ the pushing member 18 pushes up on its concave undersurface 33. This moves the pushing member 1~ up and, once a flat side of the gear 11 is again beneath undersurface 33, pushing member 1~ moves down under the force of the .. . .. . , . .. . . . . . ..... . , .. , ~ _ compression spr;ng 16. Movcment o the pushing member 18 is along the outer surfac~ o-f the pin 15 and along the side walls 38 of the bridging member 14. This motion is repeated until a desired type 5 has been shifted to the printing position in the lowermost part of the printing head 3.
In comparison with the conventional structure shown in Fig. 1, the printing head 3 of the present invention is characterized in that the bridging member 14 is made thinner from side to side and the pushing members 18 are made taller. Each pushing member includes upstanding spaced apart side walls which define the sliding recess 32 between them and these side walls extend up along the sides of the bridging member. Furthermore, both the pins 15 and the side walls 38 of the bridging member 14 are slidably engaged in the pushing members. Since the areas of the sliding surfaces of the pushing members 18 are increased and the sliding surfaces are elongated in the vertical direction, the printing head 3 can be protected against the influence of the wear of the engaging surfaces and the dimensional errors in making the device. In other words, even when the same size gaps are formed between contact surfaces owing, for example, to wear, the inclination of the undersur-face of the pushing member 18 in the present invention relative to the horizontal plane is very small as compared Wit}l the conventional mechanism shown in Fig. 1, so that the positioning gear 11 that is always depressed br this pushing member 18 and the face of type 5 of the stamp belt 9 in the printing position are maintained at the correct position and orientation. As a result, printing of a label can be always performed by a type face that is parallel to the label on the platen 6 so that a quite clear and precise imprint, without fluctuation of printing depth can be obtained, as shown in Fig. 7a.
~ 3~
Furt]ler, the present invention is especially advantageous where a vertically tall area must be printed, such as in bar code printing (shown in Fig. 7) and multiline printing (not shown).
Although the present invention has been described in connection with a preferred embodiment thereo~, many variations and modifications will now become apparent to those skilled in the art. It is preferred, therefore, that the present invention be limited not by the specific disclosure herein, but only by the appended claims.
., The group oE endless stamp belts 9 are held within the printing head casing 19 and are stretched around upper type face selector wheels 8 that are arrayed side by side and around lo~er position;ng gears 11 that have spring actuated supporting members lQ that are disposed between the frames 20. Each selector wheel 8 has internal gear teeth ~5 which are engageable by an engaging piece 27 that is attached to a selector shaft 26 having a selector knob 7. By axial movement of shaft 26 using knob 7, the engaging piece 27 is moved into a partlcular wheel 8, and rotation of knob 7 rotates the selected wheel 8. With this mechanism, any desired selector wheel 8 can be rotated so as to move its stamp belt 9 lengthwise.
Each of the stamp belts 9 is endless. One-half of the outer surface of the belt is provided with printing types 5 and the other half carries visible indicating figures 28. The indicating figures 28 can be observed through a window 29 that is formed in the upper part of the printing head casing 19~ Stamp belts 9 are flexible, but essentially nonstretchable.
Referring to Pig. 6, thre is a positioning and supporting mechanism or the stamp belts 9 at the lower portion o~ the printing head 3. The positioning gears 11 are supported in side by side relationship by a pivot shaft 13 which is attached to and extends between the frames 20.
On each of the four outer sides of the square positioning gear 11, there is an engaging recess 31 which is brought into engagement with a correspondingly shaped en~aging projec~ion 30 that is formed on the inside surface of the stamp belt 9~
.
' g 1~753S
l`here are spring actuated supporting Members 10 which are disposed ~bove the positioning gears 11. Members 10 comprise a s;ngle bridging member 14 which is fixed to and exten~s completely between the frames 20. There are pins 15 whose upper ends are attached to the bridging member 14. Compression springs 16 are disposed around the pins 15.
The lower ends of pins 15 project beneath the bridging member. There are pushing members 18 which are always pressed toward the positioning gears 11 which are below the members 18.
Sliding recesses 32 formed in pushing members 18 receive the bridging member 14. Sliding holes 17 in members 18 recei~e the pins 15, and the upper ends of the holes 17 communicate with the sliding recesses 32. The springs 16 press against the top of the bottom recess in bridging member 14 and against ~he bottoms of the recesses 32.
Pushing members 18 are pushed down by the compression springs 16.
To facilitate the smooth turning of the positioning gears 11, the undersurface 33 of each pushing member 18 is rounded concavely.
The operation of this supporting member is now described. When a selected stamp belt 9 is moved around by the selector knob 7, the positioning gear 11 is rotated~
because the engaging recesses 31 of the positioning gear 11 ; are in engagçmen~ with the engagi~g projections 30 of the stamp belt 9~ The corner 37 of the positioning gear 11 that is just belo~ the pushing member 18 pushes up on its concave undersurface 33. This moves the pushing member 1~ up and, once a flat side of the gear 11 is again beneath undersurface 33, pushing member 1~ moves down under the force of the .. . .. . , . .. . . . . . ..... . , .. , ~ _ compression spr;ng 16. Movcment o the pushing member 18 is along the outer surfac~ o-f the pin 15 and along the side walls 38 of the bridging member 14. This motion is repeated until a desired type 5 has been shifted to the printing position in the lowermost part of the printing head 3.
In comparison with the conventional structure shown in Fig. 1, the printing head 3 of the present invention is characterized in that the bridging member 14 is made thinner from side to side and the pushing members 18 are made taller. Each pushing member includes upstanding spaced apart side walls which define the sliding recess 32 between them and these side walls extend up along the sides of the bridging member. Furthermore, both the pins 15 and the side walls 38 of the bridging member 14 are slidably engaged in the pushing members. Since the areas of the sliding surfaces of the pushing members 18 are increased and the sliding surfaces are elongated in the vertical direction, the printing head 3 can be protected against the influence of the wear of the engaging surfaces and the dimensional errors in making the device. In other words, even when the same size gaps are formed between contact surfaces owing, for example, to wear, the inclination of the undersur-face of the pushing member 18 in the present invention relative to the horizontal plane is very small as compared Wit}l the conventional mechanism shown in Fig. 1, so that the positioning gear 11 that is always depressed br this pushing member 18 and the face of type 5 of the stamp belt 9 in the printing position are maintained at the correct position and orientation. As a result, printing of a label can be always performed by a type face that is parallel to the label on the platen 6 so that a quite clear and precise imprint, without fluctuation of printing depth can be obtained, as shown in Fig. 7a.
~ 3~
Furt]ler, the present invention is especially advantageous where a vertically tall area must be printed, such as in bar code printing (shown in Fig. 7) and multiline printing (not shown).
Although the present invention has been described in connection with a preferred embodiment thereo~, many variations and modifications will now become apparent to those skilled in the art. It is preferred, therefore, that the present invention be limited not by the specific disclosure herein, but only by the appended claims.
Claims (10)
1. A device for orienting the type faces on a stamp belt of a printing device, which is used for a label printing machine, or the like:
said printing device comprising:
a plurality of stamp belts, each having an exterior and each carrying a plurality of types along its said ex-terior;
a respective selector wheel for each said belt and around which each said belt passes and which each said belt engages;
a respective positioning gear for each said belt and around which each said belt passes and which each said belt engages; said positioning gear being multisided, in-cluding a first side engageable with a positioning member and out of engagement with said belt and a second side point-ing in a printing direction and in engagement with said belt, such that a said type at said positioning gear second side will be printed; said stamp belt being drawn securely around said positioning gear, thereby to act in opposition to an elastic means;
a bridging member supported stationary with respect to said printing device; said bridging member having two oppositely facing, upstanding sides, each extending generally parallel to the axis of rotation of said positioning gear;
said bridging member having a bottom side;
said type face orienting device comprising:
(claim 1 cont'd) said bridging member; a respective pin for each said belt and each said pin being secured to and immovable with respect to said bridging member; each said pin projecting below said bridging member;
a respective positioning member for each said belt;
said positioning member having two upstanding walls which are spaced apart and are of a height to extend up past said oppositely facing sides of said bridging member; said upstanding walls of said positioning member defining a sliding recess between them and each said positioning member wall extending up past and in engagement with the opposed said side of said bridging member; said sliding recess being of a width defined between said upstanding walls to slidingly receive and engage said oppositely facing sides of said bridging member in said recess, whereby said positioning member may be slidingly guided to move along said bridging member; said recess having a bottom;
said bridging member bottom side facing toward and spaced from said bottom of said sliding recess;
a sliding hole at the bottom of said sliding recess which is shaped and positioned for slidingly receiving and engaging the projecting said pin, thereby further guiding motion of said positioning member with respect to said bridging member;
said positioning member including an engaging side for engaging and pressing against said positioning gear first side;
a spring located in said sliding recess and engaging said bottom of said sliding recess and said bottom side of said bridging member, and being chargeable by movement of said bridging member into said sliding recess; said spring being for biasing said positioning member engaging side against said positioning gear first side and for biasing said positioning member away from said bridging member, while said pin is in said sliding hole and said bridging member is in said sliding recess.
said printing device comprising:
a plurality of stamp belts, each having an exterior and each carrying a plurality of types along its said ex-terior;
a respective selector wheel for each said belt and around which each said belt passes and which each said belt engages;
a respective positioning gear for each said belt and around which each said belt passes and which each said belt engages; said positioning gear being multisided, in-cluding a first side engageable with a positioning member and out of engagement with said belt and a second side point-ing in a printing direction and in engagement with said belt, such that a said type at said positioning gear second side will be printed; said stamp belt being drawn securely around said positioning gear, thereby to act in opposition to an elastic means;
a bridging member supported stationary with respect to said printing device; said bridging member having two oppositely facing, upstanding sides, each extending generally parallel to the axis of rotation of said positioning gear;
said bridging member having a bottom side;
said type face orienting device comprising:
(claim 1 cont'd) said bridging member; a respective pin for each said belt and each said pin being secured to and immovable with respect to said bridging member; each said pin projecting below said bridging member;
a respective positioning member for each said belt;
said positioning member having two upstanding walls which are spaced apart and are of a height to extend up past said oppositely facing sides of said bridging member; said upstanding walls of said positioning member defining a sliding recess between them and each said positioning member wall extending up past and in engagement with the opposed said side of said bridging member; said sliding recess being of a width defined between said upstanding walls to slidingly receive and engage said oppositely facing sides of said bridging member in said recess, whereby said positioning member may be slidingly guided to move along said bridging member; said recess having a bottom;
said bridging member bottom side facing toward and spaced from said bottom of said sliding recess;
a sliding hole at the bottom of said sliding recess which is shaped and positioned for slidingly receiving and engaging the projecting said pin, thereby further guiding motion of said positioning member with respect to said bridging member;
said positioning member including an engaging side for engaging and pressing against said positioning gear first side;
a spring located in said sliding recess and engaging said bottom of said sliding recess and said bottom side of said bridging member, and being chargeable by movement of said bridging member into said sliding recess; said spring being for biasing said positioning member engaging side against said positioning gear first side and for biasing said positioning member away from said bridging member, while said pin is in said sliding hole and said bridging member is in said sliding recess.
2. The device of Claim 1, wherein said engaging side of said positioning member is concavely rounded; said positioning gear first side being flat, whereby said posi-tioning gear may be rotated with respect to said positioning member beneath said engaging side of said positioning member.
3. The device of Claim 1, wherein said positioning gears are rotatable with respect to said printing device and said selector wheels are rotatable with respect to said printing device, such that rotation of each said selector wheel rotates the respective said belt which in turn rotates the respective said positioning gear.
4. The device of Claim 3, wherein said positioning gear first and second sides are on opposite said sides of said positioning gear and as said positioning gear is rotated, each said side thereof in turn is a respective said first side thereof and later is a respective said second side thereof.
5. The device of Claim 4, wherein said positioning gear is a regular polygon.
6. The device of Claim 3, wherein said printing device comprises a support frame; said bridging member being fixedly supported on said printing device support frame;
said selector wheels being located stationary with respect to but being rotatable with respect to said printing device frame, while said positioning gears being movable with respect to said printing device frame.
said selector wheels being located stationary with respect to but being rotatable with respect to said printing device frame, while said positioning gears being movable with respect to said printing device frame.
7. The device of Claim 3, wherein said stampt belt comprises an endless belt which is stretched tight around said selector wheel and said positioning gear, thereby to urge said positioning gear in opposition to said elastic means.
8. A device for orienting the type faces on a stamp belt of a printing device, which is used for a label printing machine, or the like:
said printing device comprising:
a plurality of stamp belts, each having an exterior and each carrying a plurality of types along its said exterior;
a respective selector wheel for each said belt and around which each said belt passes and which each said belt engages;
a respective positioning gear for each said belt and around which each said belt passes and which each said belt engages; said positioning gear being multisided, in-cluding a first side engageable with a positioning member and out of engagement with said belt and a second side pointing in a printing direction and in engagement with said belt, such that a said type at said positioning gear second side will be printed; said stamp belt being drawn securely around said positioning gear, thereby to act in opposition to an elastic means;
a bridging member supported stationary with respect to said printing device; said bridging member having two oppositely facing, upstanding sides, each extending generally parallel to the axis of rotation of said positioning gear;
said bridging member having a bottom side;
said type face orienting device comprising:
said bridging member;
a respective positioning member for each said belt; said positioning member having two upstanding walls which are spaced apart and are of a height to extend up past said oppositely facing sides of said bridging member; said upstanding walls of said positioning member defining a sliding recess between them and each said positioning member wall extending up past and in engagement with the opposed said side of said bridging member; said sliding recess being of a width defined between said upstanding walls to slidingly receive and engage said oppositely facing sides of said bridging member in said recess, wherey said positioning member may be slidingly guided to move along said bridging member; said recess having a bottom; said bridging member bottom side facing toward and spaced from said bottom of said sliding recess;
said positioning member including an engaging side for engaging and pressing against said positioning gear first side;
guide pin means extending and projecting from one of said positioning member and said bridging member into the other of these elements for further guiding the respective motion of these said elements;
a spring located in said sliding recess and engaging said bottom of said sliding recess and said bottom side of said bridging member, and being chargeable by movement of said bridging member into said sliding recess; said spring being for biasing said positioning member engaging side against said positioning gear first side and for biasing said positioning member away from said bridging member, while said bridging member is in said sliding recess.
said printing device comprising:
a plurality of stamp belts, each having an exterior and each carrying a plurality of types along its said exterior;
a respective selector wheel for each said belt and around which each said belt passes and which each said belt engages;
a respective positioning gear for each said belt and around which each said belt passes and which each said belt engages; said positioning gear being multisided, in-cluding a first side engageable with a positioning member and out of engagement with said belt and a second side pointing in a printing direction and in engagement with said belt, such that a said type at said positioning gear second side will be printed; said stamp belt being drawn securely around said positioning gear, thereby to act in opposition to an elastic means;
a bridging member supported stationary with respect to said printing device; said bridging member having two oppositely facing, upstanding sides, each extending generally parallel to the axis of rotation of said positioning gear;
said bridging member having a bottom side;
said type face orienting device comprising:
said bridging member;
a respective positioning member for each said belt; said positioning member having two upstanding walls which are spaced apart and are of a height to extend up past said oppositely facing sides of said bridging member; said upstanding walls of said positioning member defining a sliding recess between them and each said positioning member wall extending up past and in engagement with the opposed said side of said bridging member; said sliding recess being of a width defined between said upstanding walls to slidingly receive and engage said oppositely facing sides of said bridging member in said recess, wherey said positioning member may be slidingly guided to move along said bridging member; said recess having a bottom; said bridging member bottom side facing toward and spaced from said bottom of said sliding recess;
said positioning member including an engaging side for engaging and pressing against said positioning gear first side;
guide pin means extending and projecting from one of said positioning member and said bridging member into the other of these elements for further guiding the respective motion of these said elements;
a spring located in said sliding recess and engaging said bottom of said sliding recess and said bottom side of said bridging member, and being chargeable by movement of said bridging member into said sliding recess; said spring being for biasing said positioning member engaging side against said positioning gear first side and for biasing said positioning member away from said bridging member, while said bridging member is in said sliding recess.
9. The device of Claim 8, wherein said pin means are fixedly secured to and immovable with respect to one of said positioning member and said bridging member; said pin means projecting to the other of said positiong member and said bridging member;
sliding hole means at one end of the said recess wherein said bridging member and said positioning member are slidingly engaged; said sliding hole means being shaped and positioned for slidingly receiving and engaging the projecting said pin means.
sliding hole means at one end of the said recess wherein said bridging member and said positioning member are slidingly engaged; said sliding hole means being shaped and positioned for slidingly receiving and engaging the projecting said pin means.
10. The device of Claim 9, wherein said positioning gears are rotatable with respect to said printing device and said selector wheels are rotatable with respect to said print-ing device, such that rotation of each said selector wheel rotates the respective said belt which in turn rotates the respective said positioning gear;
said positioning gear first and second sides are on opposite sides of said positioning gear and as said positioning gear is rotated, each said side thereof in turn is a respective said first side thereof and later is a respective said second side thereof.
said positioning gear first and second sides are on opposite sides of said positioning gear and as said positioning gear is rotated, each said side thereof in turn is a respective said first side thereof and later is a respective said second side thereof.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13056676U JPS5848137Y2 (en) | 1976-09-30 | 1976-09-30 | printing device |
| JP51-130566 | 1976-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1097535A true CA1097535A (en) | 1981-03-17 |
Family
ID=15037307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA287,764A Expired CA1097535A (en) | 1976-09-30 | 1977-09-29 | Printing type orienting device for label printing machine |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5848137Y2 (en) |
| CA (1) | CA1097535A (en) |
| DE (1) | DE2742053A1 (en) |
| FR (1) | FR2366132A1 (en) |
| GB (1) | GB1582363A (en) |
| NL (1) | NL7710624A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3117231C2 (en) * | 1980-08-08 | 1986-08-21 | Esselte Pendaflex Corp., Garden City, N.Y. | Printing unit |
| DE3034923C2 (en) * | 1980-09-16 | 1983-09-08 | Esselte Pendaflex Corp., 11530 Garden City, N.Y. | Ribbon printing unit |
| FI946068A (en) * | 1994-12-23 | 1996-06-24 | Leimasinteollisuus Oy | Stamping part of the stamp |
| DE19513142C2 (en) * | 1995-04-07 | 1997-11-20 | Esselte Meto Int Gmbh | Printing unit, in particular for labeling and marking devices |
| CN104924787B (en) * | 2015-06-05 | 2018-05-11 | 无锡蠡湖增压技术股份有限公司 | A kind of hand-hold type aluminum alloy product numbering device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3380378A (en) * | 1966-08-18 | 1968-04-30 | Beverly E. Edwards | Self-inking price marker |
| US3933092A (en) * | 1974-12-30 | 1976-01-20 | Monarch Marking Systems, Inc. | Printing apparatus |
-
1976
- 1976-09-30 JP JP13056676U patent/JPS5848137Y2/en not_active Expired
-
1977
- 1977-09-13 GB GB3805477A patent/GB1582363A/en not_active Expired
- 1977-09-19 DE DE19772742053 patent/DE2742053A1/en not_active Withdrawn
- 1977-09-22 FR FR7728576A patent/FR2366132A1/en not_active Withdrawn
- 1977-09-28 NL NL7710624A patent/NL7710624A/en active Search and Examination
- 1977-09-29 CA CA287,764A patent/CA1097535A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2742053A1 (en) | 1978-04-06 |
| JPS5349999U (en) | 1978-04-27 |
| GB1582363A (en) | 1981-01-07 |
| JPS5848137Y2 (en) | 1983-11-02 |
| FR2366132A1 (en) | 1978-04-28 |
| NL7710624A (en) | 1978-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |