The specific embodiment
With reference to accompanying drawing, in conjunction with the embodiments, the present invention is described in further detail.
Fig. 4 is a paper feeder birds-eye view of the present invention, paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, flexible friction shim 22 embeds in the rectangular recess 25, and fixing or be placed in the limit wall of groove 25 or other are suitably local with shaft type with fixed end 221.The front end of flexible friction shim 22 is higher than the limit wall of groove 25, so that keep Elastic Contact with conveying roller 24 (referring to Fig. 5), provides and treats that paper feeding opens 991 and be transmitted roller 24 (referring to Fig. 5) one by one and suck, and is sent to the next position via guide plate 993.
Why flexible friction shim 22 adopts its pliability, be based on when treating that paper feeding is opened 991 more, the total weight of paper 991 can be with flexible friction shim 22 toward pressing down, and flexible friction shim 22 produces recessed, so, can not have influence on contacting between conveying roller 24 and the flexible friction shim 22.Spring 28 (or shell fragment 28) is positioned at flexible friction shim 22 belows, keeps flexible friction shim 22 to make progress and conveying roller 24 flexible contacts.Paper feeding casket 20 rear ends and planar shaped in an angle so that paper 991 can glide and put in place and contact at contact point 992 with conveying roller 24 automatically by gravity itself.So can finish the function of automatic in-position paper feeder of the present invention.
Fig. 5 is a section drawing of the present invention, illustrates the same.
Fig. 6 is a paper feeding casket front end front view of the present invention.
There is rectangular recess 25 in the front end central authorities of paper feeding casket 20, in contrast to prior art Fig. 3, and its paper feeding casket 10 is comprehensive groove, and flexible friction shim 22 is by the thrust of spring 28, with conveying roller 24 Elastic Contact.
Fig. 7 is that paper feeding casket tail end of the present invention changes design one.Paper feeding casket 20 rear ends 201 form arcuation and upwarp, and provide paper 991 relative stronger downslide strength.
Fig. 8 is that paper feeding casket tail end of the present invention changes design two.Paper feeding casket 20 rear ends 201 form arcuation and have a downwarp, and provide paper 991 relative more weak downslide strength.
Fig. 9 is a second embodiment of the present invention birds-eye view.Paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, and flexible friction shim 22 embeds in the rectangular recess 25, and is fixed in the limit wall of groove 25 with fixed end 221.The front end of flexible friction shim 22 is higher than the limit wall of groove 25, spring 28 is positioned at flexible friction shim 22 belows, so that keep Elastic Contact with conveying roller 24 (referring to Figure 10), provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 10) one by one and suck, reach the next position via guide plate 993.
This second embodiment includes both arms shell fragment 31, provide flexible friction shim 22 back segments stronger upwards bracing force, can treat paper feeding number amount more for a long time, share load capacity, make to be unlikely to overweight and flexible friction shim 22 excessively to be pressed down and cause flexible friction shim 22 to separate with conveying roller 24 and influence paper feeding function.That is to say that both arms shell fragment 31 provides auxiliary elastic force, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.
Figure 10 is a second embodiment of the present invention section drawing.Show both arms shell fragment 31 and flexible friction shim 22 local overlapping relative positions.Both arms shell fragment 31 is can pressurized downward, arrives for example 312 position.
Figure 11 is the second embodiment section drawing with both arms shell fragment and hook of the present invention.Both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding opens 991 when increasing, the hook 311 of both arms shell fragment 31 can touch the bottom surface of rectangular recess 25 because of pressurized downwards, and it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction shim 22 to be unlikely excessive pressurized.The design of simple type, both arms shell fragment 31 also can change into does not have the dull and stereotyped single armed shell fragment of hook, be placed in flexible friction shim 22 above or below, so also can reach similar functions, just when paper feeding 991 is treated in carrying and can be less relatively, that be because lack the hold function of hook.Both arms shell fragment 31 also can change the single armed shell fragment with hook into, is placed in the central authorities of the flexible friction shim 22 of digging a hole, and so also can reach similar functions.
Figure 12 is the third embodiment of the invention birds-eye view.Paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, and flexible friction shim 22 embeds in the rectangular recess 25, and is fixed in the limit wall of groove 25 with fixed end 221.The front end of flexible friction shim 22 is higher than the limit wall of groove 25, spring 28 is positioned at flexible friction shim 22 belows, so that keep Elastic Contact with conveying roller 24 (referring to Figure 13), provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 13) one by one and suck, be sent to the next position via guide plate 993.
This 3rd embodiment includes pad block 43, provide flexible friction shim 22 treating that paper feeding opens 991 quantity more for a long time, flexible friction shim 22 can be placed on the pad block 43 and bear the weight of paper 991, makes flexible friction shim 22 be unlikely excessively recessed and causes flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that pad block 43 provides the function of auxiliary carrying, if do not increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.
Figure 13 is a third embodiment of the present invention section drawing, shows the relative position of pad block 43 and flexible friction shim 22.In addition, also pad block 43 areas can be strengthened, make with flexible friction shim 22 back segments overlappingly, so, also can reach the function of the identical more paper 991 of carrying.
Figure 14 is the fourth embodiment of the invention birds-eye view, paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, flexible friction shim 22 embeds in the rectangular recess 25, and be fixed in the limit wall of groove 25 with fixed end 221, the front end of flexible friction shim 22 is higher than the limit wall of groove 25, spring 28 is positioned at flexible friction shim 22 belows, so that keep Elastic Contact with conveying roller 24 (referring to Figure 15), provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 15) one by one and suck, be sent to the next position via guide plate 993.
This 4th embodiment includes both arms shell fragment 31 and shell fragment block 53, provide flexible friction shim 22 treating that paper feeding opens 991 quantity more for a long time, both arms shell fragment 31 can be assisted flexible friction shim 22 and be born the weight of paper 991, makes to scratch friction shim 22 and be unlikely excessively recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that both arms shell fragment 31 provides the function of auxiliary carrying, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.53 of shell fragment blocks be when paper 991 more for a long time, both arms shell fragment 31 can be positioned on the shell fragment block 53, it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to cause flexible friction shim 22 to be unlikely excessive pressurized.Both arms shell fragment 31 also can change design, and making becomes the single armed shell fragment, embeds in the central flexible friction shim 22 of digging a hole, and also can obtain similar functions.Both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding opens 991 when increasing, the hook of both arms shell fragment 31 can touch the bottom surface of rectangular recess 25 because of pressurized downwards, and it is recessed and cause and scratch friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction pad 22 to be unlikely excessive pressurized.
Figure 15 is a fourth embodiment of the present invention section drawing, show both arms shell fragment 31, shell fragment block 53, and flexible friction shim 22 between relative position.
Figure 16 is the fifth embodiment of the invention section drawing.Wherein, 993 is guide plate, 20 are the paper feeding casket, 25 is groove, 221 is fixed end, be illustrated between flexible friction shim 22 and the spring 28 and can increase a spill push pedal 67, so, conveying roller 24 and the groove place of flexible friction shim 22 in spill push pedal 67 can be provided, produce the contact surface 642 of a concave surface, improve the area of contact between conveying roller 24 and the flexible friction shim 22, and provide the flexible friction shim 22 of conveying roller 24 cooperations for treating that paper feeding opens the fiduciary level of 991 the cleaning sucking paper that rubs.
Figure 17 is the variation design birds-eye view of Fig. 4.This design becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Fig. 4 maximum, notices that bottom guide 75 is with level connection guide plate 993, and 22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24.Transmission principle and prior figures 4 for paper 991 are described identical, and modern repeat specification is as follows.
Figure 17-Figure 19 shows that paper feeding casket 20 front ends have a bottom guide 75, and flexible friction shim 22 is positioned at the top of bottom guide 75, and fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221.Flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28), so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 18) keep Elastic Contact, provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 18) one by one and suck, be sent to the next position via guide plate 993.Why flexible friction shim 22 adopts its pliability, be based on when treating that paper feeding is opened 991 more, the total weight of paper 991 can be with flexible friction shim 22 toward pressing down, flexible friction shim 22 produces recessed, so, can not have influence on contacting between conveying roller 24 and the flexible friction shim 22, spring 28 (or shell fragment 28) is positioned at flexible friction shim 22 belows, provides flexible friction shim 22 upwards and conveying roller 24 flexible contacts.Paper feeding casket 20 rear ends and planar shaped in an angle so that paper 991 can glide and put in place and contact at contact point 992 with conveying roller 24 automatically by gravity itself.So promptly can finish the function of automatic in-position paper feeder of the present invention.
Figure 18 is the section drawing of Figure 17;
Figure 19 is the paper feeding casket front end front view of Figure 17.Flexible friction shim 22 is positioned at the top of the front end central authorities bottom guide 75 of paper feeding casket 20, in view of the paper feeding casket diving board 101,102 of prior art Fig. 3 is wide hardboard, the design is the thrust that narrow flexible friction shim 22 passes through spring 28, and Elastic Contact is in conveying roller 24.
Figure 20 is that the paper feeding casket tail end of Figure 17 changes design one.Paper feeding casket 20 rear ends 201 form arcuation and upwarp, and provide paper 991 relative stronger downslide strength.
Figure 21 is that the paper feeding casket tail end of Figure 17 changes design two.Paper feeding casket 20 rear ends 201 form arcuation and have a downwarp, and provide paper 991 relative more weak downslide strength.
Figure 22 is the variation design birds-eye view of Fig. 9;
This design of Figure 22-Figure 23 becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Fig. 9 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24.Transmission principle and prior figures 9 for paper 991 are described identical, and modern repeat specification is as follows.
Figure 22-Figure 23 shows that paper feeding casket 20 front ends have a bottom guide 75, and flexible friction shim 22 is positioned at the top of bottom guide 75, and fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221.Flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28), so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 23) keep Elastic Contact, provide and treat that paper feeding opens 9911 and be transmitted roller 24 (referring to Figure 23) one by one and suck, be sent to the next position via guide plate 993.
Present embodiment comprises both arms shell fragment 31, provide flexible friction shim 22 back segments that stronger upwards bracing force is arranged, can treat that paper feeding opens 991 quantity more for a long time, share load capacity, make to be unlikely to weight and flexible friction shim 22 excessively to be pressed down and flexible friction shim 22 separates with conveying roller 24 and influence paper feeding function.Just both arms shell fragment 31 provides auxiliary elastic force, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.Both arms shell fragment 31 also can change design, and making becomes the single armed shell fragment, is placed in flexible friction shim 22 back segments top or below, also can obtain similar functions.Both arms shell fragment 31 also can change design, and making becomes in the downward central flexible friction shim 22 of digging a hole of single armed shell fragment embedding of hook, also can obtain similar functions.Both arms shell fragment 31 also can change design, and making to become has the downward single armed shell fragment of hook to embed in the central flexible friction shim 22 of digging a hole, and also can obtain similar functions.
Figure 23 is the section drawing of Figure 22, shows both arms shell fragment 31 and flexible friction shim 22 local overlapping relative positions, and both arms shell fragment 31 is can pressurized downward, arrives for example 812 position.
Figure 24 has the section drawing of both arms shell fragment and hook for Figure 22, both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding 991 increases, the hook 811 of both arms shell fragment 31 can touch bottom guide 75 because of pressurized downwards, and it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction shim 22 to be unlikely excessive pressurized.The design of simple type also can be adopted not have hook or the design of hook is slightly only arranged, and so also can reach similar functions.As long as treat that paper feeding was opened at 991 o'clock and can be less relatively holding to cut, that is because lack the function of hook.
Figure 25 is the variation design birds-eye view of Figure 12.This design of Figure 25-Figure 26 becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Figure 12 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24, and described identical for transmission principle and front Figure 12 of paper 991, modern repeat specification is as follows.
Paper feeding casket 20 front ends have a bottom guide 75, flexible friction shim 22 is positioned at the top of bottom guide 75, and it is fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221, flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28) so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 26) keep Elastic Contact, provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 26) one by one and suck, be sent to the next position via guide plate 993.
This enforcement includes pad block 93, provide flexible friction shim 92 treating paper feeding 991 quantity more for a long time, flexible friction shim 92 can be placed on the pad block 43 and bear the weight of paper 991, makes flexible friction shim 22 be unlikely excessively recessed and causes flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that pad block 43 provides the function of auxiliary carrying, if do not increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.
Figure 26 is the section drawing of Figure 25, shows the relative position of pad block 43 and flexible friction shim 22.In addition, also pad block 43 areas may be strengthened, make with flexible friction shim 22 back segments overlappingly, so, also can reach the function of the identical more paper 991 of carrying.
Figure 27 is the variation design birds-eye view of Figure 14, and this design of Figure 27-Figure 28 becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Figure 14 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24.Transmission principle and front Figure 14 for paper 991 are described identical, and modern repeat specification is as follows.
Paper feeding casket 20 front ends have a bottom guide 75, and flexible friction shim 22 is positioned at the top of bottom guide 75, and fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221.Flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28), so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 28) keep Elastic Contact, provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 28) one by one and suck, reach the next position via guide plate 993.
Present embodiment includes both arms shell fragment 31 and shell fragment block 53, provide flexible friction shim 22 treating that paper feeding opens 991 quantity more for a long time, both arms shell fragment 31 also can be assisted flexible friction shim 22 and be born the weight of paper 991, makes flexible friction shim 22 be unlikely excessively recessed and causes and scratch friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that both arms shell fragment 31 provides the function of auxiliary carrying, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.53 of shell fragment blocks be when paper 991 more for a long time, both arms shell fragment 31 may stop on the shell fragment block 53, it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to cause flexible friction shim 22 to be unlikely excessive pressurized.Both arms shell fragment 31 also can change design, and making becomes dull and stereotyped single armed shell fragment, is placed in the top or the below of flexible friction shim 22, also can obtain similar functions.Both arms shell fragment 31 also can change design, makes to become to collude the single armed shell fragment, is embedded in the flexible friction shim 22 that central authorities dig a hole, and also can obtain similar functions.Both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding opens 991 when increasing, the hook of both arms shell fragment 31 can touch bottom guide 75 because of pressurized downwards, and it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction shim 22 to be unlikely excessive pressurized.
Figure 28 is the section drawing of Figure 27, show both arms shell fragment 31, shell fragment block 53, and flexible friction shim 22 between relative position.
Figure 29 is the variation design of Figure 16, has the spill push pedal.This design becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Figure 16 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the action of conveying roller 24.Transmission principle and front Figure 16 for paper 991 are described identical, and modern repeat specification is as follows.
Wherein 221 is fixed end, Figure 29 is presented between flexible friction shim 22 and the spring 28 possibility to increase a spill push pedal 67, so, conveying roller 24 and the groove place of flexible friction shim 22 in spill push pedal 67 can be provided, produce the area of contact 642 of a concave surface, improve the area of contact between conveying roller 24 and the flexible friction shim 22, and improve the flexible friction shim 22 of conveying roller 24 cooperations for treating that paper feeding opens the fiduciary level of 991 the cleaning sucking paper that rubs.
Figure 30 is a sixth embodiment of the present invention section drawing, show among the figure and wherein have two shell fragments, comprise first shell fragment 121 and second shell fragment 123, what be positioned at central authorities is friction shim 122, the front end of friction shim 122 contacts with conveying roller 24, when conveying roller 24 rotates, can utilize the friction force of conveying roller 24, suction is opened in the paper feeding for the treatment of that conveying roller 24 touches, be sent to the next position and use.First shell fragment 121 and second shell fragment 123 all have the pair of parallel both arms, ride in the both sides of friction shim 122.First shell fragment 121 has a tail end 127, the second shell fragments 123 and has a tail end 125, and the friction shim 122 that is positioned at central authorities has 126, three tail ends of a tail end and settles arrangement in the sandwich mode from top to bottom in 125,126 and 127 mode.The benefit of this arrangement be first shell fragment 121 and second shell fragment 123 in conjunction with central friction shim 122, can carry more paper jointly.Simultaneously, based on the smooth side of second shell fragment 123, can be when the decreased number of paper, still can make paper slide into a end smoothly near conveying roller 24, suck and use and be transmitted roller 24 effectively.
Figure 31 is the birds-eye view of Figure 30, shows among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.When the number of paper more after a little while, paper will be raised by second shell fragment 123, and slide into the end near conveying roller 24, suck and will use and make paper be transmitted roller 24 effectively.When the number of paper more for a long time, second shell fragment 123 is depressed, the lower end that comes the paper of back can touch the friction shim (122) that is positioned at central authorities, at this moment, be positioned at the friction that central friction shim (122) provides, can be so that coming the paper of back have excessive strength and push away forward, so can avoid coming the paper that the fwd paper produces because being subjected to thrust more than and be transmitted the shortcoming that roller 24 sucks simultaneously.
Figure 32 is the decomposition view of Figure 31, shows among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.First shell fragment 121 and second shell fragment 123 have parallel both arms, can be with the integrated U-shaped element of material, also can be that two independent length of a film bar materials constitute.
Figure 33 is a seventh embodiment of the present invention section drawing, diagram shows wherein have two shell fragments, comprise first shell fragment 121 and second shell fragment 123, what be positioned at central authorities is friction shim 122, the front end of friction shim 122 contacts with conveying roller 24, when conveying roller 24 rotates, can utilize the friction force of conveying roller 24, suction is opened in the paper feeding for the treatment of that conveying roller 24 touches, be sent to the next position and use.Friction shim 122 is near the fixed edge place, and design has a groove 25, the first shell fragments 121 and second shell fragment 123, is arranged among the groove 25 of friction shim 122.Wherein first shell fragment 121 is arranged at the bottom of groove 25, and second shell fragment 123 is arranged at the top of groove 25.First shell fragment 121 has a tail end 127, the second shell fragments 123 and has a tail end 125, and the friction shim 122 that is positioned at central authorities has a tail end 126.Three tail ends are settled arrangement in the sandwich mode from top to bottom in 125,126 and 127 mode.The benefit of this arrangement is that first shell fragment 121 upwards lifts, cooperates second shell fragment 123, again in conjunction with central friction shim 122, can carry more paper jointly.Simultaneously, based on the smooth side of second shell fragment 123, can be more after a little while at the number of paper, still can make paper slide into a end smoothly near conveying roller 24, suck and use and be transmitted roller 24 effectively.
Figure 34 is the birds-eye view of Figure 33, shows among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, parallel being overlapped among the groove 25.When the number of paper more after a little while, paper will be raised by second shell fragment 123, and slide into the end near conveying roller 24, suck and will use and make paper be transmitted roller 24 effectively.When the number of paper slightly for a long time, second shell fragment 123 is depressed, the lower end that comes the paper of back can touch the friction shim 122 that is positioned at central authorities, at this moment, be positioned at the friction that central friction shim 122 provides, can be so that coming the paper of back have excessive strength and push away forward, so can avoid coming the paper that the fwd paper produces because being subjected to thrust more than and be transmitted the shortcoming that roller 24 sucks simultaneously.
Figure 35 is the exploded drawings of Figure 34.
Show among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, parallel being overlapped among the groove 25.
Figure 36 is an eighth embodiment of the present invention section drawing;
Being illustrated as another embodiment of the present invention, having two shell fragments, promptly is first shell fragment 121 and second shell fragment 123; What be positioned at central authorities is friction shim 122, and the front end of friction shim 122 touches mutually with transferring roller 24, when conveying roller 24 rotates, can utilize the friction force of conveying roller 24, and suction is opened in the paper feeding for the treatment of that conveying roller 24 touches, and is sent to the next position and uses.First shell fragment 121 and second shell fragment 123 all have the pair of parallel both arms, ride in the both sides of friction shim 122, and second shell fragment 123 more rides in the both sides, the outside of first shell fragment 121.First shell fragment 121 has a tail end 127, the second shell fragments 123 and has a tail end 125, and the friction shim 122 that is positioned at central authorities has a tail end 126.Three tail ends are with 125,126, and 127 mode is settled arrangement in the sandwich mode from top to bottom.The tail end 125 of second shell fragment 123 is higher than the tail end 126 of friction shim 122, makes that an other end of second shell fragment 123 is downward-sloping, causes this other end to move towards conveying roller 24 and near roller 24 ends.
The benefit of this arrangement be second shell fragment 123 in conjunction with central friction shim 122, can carry more paper jointly.When the number of paper more for a long time, second shell fragment 123 is because the gravity of paper presses down and is bent downwardly.When the paper number more after a little while, based on the characteristic that the elasticity of second shell fragment 123 makes progress, can assist these less paper, slide into a end smoothly near conveying roller 24, suck and use and be transmitted roller 24 effectively.Therefore, this design can increase the number of waiting for the paper that transmits.
Figure 37 is the birds-eye view of Figure 36;
Show among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.When the number of paper more after a little while, paper will be raised by second shell fragment 123, and slide into the end near conveying roller 24, suck and will use and make paper be transmitted roller 24 effectively.When the number of paper slightly for a long time, second shell fragment 123 is depressed, the lower end that comes the paper of back can touch the friction shim 122 that is positioned at central authorities, at this moment, be positioned at the friction that central friction shim 122 provides, can be so that coming the paper of back have excessive strength and push away forward, so can avoid coming the fwd paper because stressed and paper that produce more than is transmitted the shortcoming that roller 24 sucks simultaneously.
Figure 38 is the decomposition view of Figure 37;
Show among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.First shell fragment 121 and second shell fragment 123 have parallel both arms, can be with the integrated U type of material element, also can be that two independent length of a film bar material arranged parallel constitute.