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公开(公告)号：US4297041A
公开(公告)日：1981-10-27
申请号：US25824
申请日：1979-04-02
申请人： John O. Schaefer
发明人： John O. Schaefer
摘要： A variable cam profile selection system is disclosed having cams controlling both the tilt and the rotate motion of the single element typewriter. The tilt cam and rotate cam are mounted so that they may be moved with respect to their support to vary the cam rise. The rise of the cam is controlled by interposers under the influence of the keyboard to select or define the amount of movement of the cam member, thereby defining the cam rise. The single cam member for each movement may be positioned in any one of a plurality of positions and, by so doing, correspondingly effect the movement of the cam follower as the cam is rotated about an axis.
摘要翻译： 公开了具有控制单元打字机的倾斜和旋转运动的凸轮的可变凸轮轮廓选择系统。 安装倾斜凸轮和旋转凸轮使得它们可以相对于其支撑件移动以改变凸轮上升。 凸轮的上升通过在键盘的影响下的插入件来控制，以选择或限定凸轮构件的移动量，由此限定凸轮上升。 用于每个运动的单个凸轮构件可以定位在多个位置中的任何一个位置，并且通过这样做，相应地随着凸轮围绕轴线旋转而影响凸轮从动件的运动。
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公开(公告)号：US4189246A
公开(公告)日：1980-02-19
申请号：US863450
申请日：1977-12-22
申请人： Milburn H. Kane , Norman F. Barrow
发明人： Milburn H. Kane , Norman F. Barrow
摘要： A rotatable print disc is mounted on a carrier which traverses along the print line. The disk is moved from each character position to the next by the shortest distance and it is stopped at the time of printing. The carrier is moved from one print position to the next at a speed which is selected depending on the time required for the disk to rotate to the next character. Printing takes place with the carrier moving at one of a number of speeds. The force utilized to drive the hammer to print the characters is varied dependent on which character is being printed. Hammer firing for each character is timed dependent on printing speed and upon the force utilized to drive the hammer.
摘要翻译： 可旋转的打印盘安装在沿打印线穿过的托架上。 磁盘从每个字符位置移动到下一个最短距离，并在打印时停止。 载体以从盘旋转到下一个字符所需的时间选择的速度从一个打印位置移动到下一个打印位置。 载体以多个速度之一移动时进行打印。 用于驱动锤打印字符的力取决于打印的字符。 每个角色的锤击射程取决于打印速度和用于驱动锤子的力。
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公开(公告)号：US3963109A
公开(公告)日：1976-06-15
申请号：US585051
申请日：1975-06-09
申请人： William J. Smith
发明人： William J. Smith
CPC分类号： B41J7/66
摘要： A non-homing positioning mechanism to effect type selective movements of a single element typehead by means of coordinate band systems wherein the coordinate band systems are cntrolled by a translator comprising a four armed cross-shaped member unidirectionally rotatable in 90.degree. steps. A set of radially spaced pins are arranged along opposing arms of the cross-shaped member, the sets being alternately selectively settable in response to successive character selections to cause selective band displacement incident to each 90.degree. rotation of said cross-member. One end of each band system is anchored and the other end is connected to position and hold the typehead to a selected character in accordance with the displacement thereof through selected pins on opposing arms of and incident to movement of the cross-shaped member.
摘要翻译： 一种非归位定位机构，用于通过坐标带系统来实现单个元件型头的类型选择性运动，其中坐标带系统由包括四臂十字形构件的翻转器控制，所述四臂十字形构件以90度的步长单向旋转。 沿着十字形构件的相对臂布置一组径向间隔开的销，所述组交替地可选地响应于连续字符选择而设置，以引起入射到所述横梁的每90°旋转的选择性带位移。 每个带系统的一端被锚定并且另一端被连接以根据其通过相对的臂上的选定销钉的位移并将其保持为所选择的字符，并且引起十字形构件的运动。
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公开(公告)号：US3885662A
公开(公告)日：1975-05-27
申请号：US42788273
申请日：1973-12-26
申请人： IBM
发明人： SCHAEFER JOHN O
CPC分类号： B41J7/50 , B41J7/54 , Y10T74/18312
摘要： A selection mechanism is disclosed which employs a controlled steerable follower for selecting and following a cam groove in a barrel cam to cause relative translation between the barrel cam and the cam follower. The motion of the barrel cam while translating is converted into rotary motion to rotate a single element on a single element printer to accurately position a selected row of characters adjacent the print point. A similar follower is used to cause translational movement of the tilt cam and a bell crank and link arrangement is used to translate the lateral movement of the tilt cam to the type element. The control of the rotate cam follower is electro-mechanical wherein a signal is converted by a linear motor into a mechanical movement at a desired time within a cycle and thus dictates the selection to be made, when combined with an electrical signal to a solenoid for selecting the direction of rotation to which the cam translatory movement is to be converted. Means are disclosed which allows absorbing within the mechanism, of inertia shocks, such that the parts of the device may be made smaller and still withstand the forces required for selection.
摘要翻译： 公开了一种选择机构，其采用受控的可转向随动件来选择和跟随筒形凸轮中的凸轮槽，以引起筒形凸轮和凸轮从动件之间的相对平移。 滚筒凸轮在平移时的运动被转换为旋转运动，以使单个元件打印机上的单个元件旋转，以精确地定位与打印点相邻的所选字符行。 类似的从动件用于引起倾斜凸轮的平移运动，而钟形曲柄和连杆装置用于将倾斜凸轮的横向运动转换为类型元件。
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5.发明授权Direct keyboard controlled rack shift device for a single element typewriter 失效直接键盘控制的机架移位装置，用于单元打字机
公开(公告)号：US4277188A
公开(公告)日：1981-07-07
申请号：US54760
申请日：1979-07-05
摘要： A device is disclosed for shifting a bifurcated rack from one position to a second position, thereby engaging alternate sides of a bifurcated rack member with a pinion in a spacially fixed position. The rack shift mechanism is controlled by a direct link to the keyboard of the typewriter which responds to movement of a shift key lever. The mechanism performs a force multiplication and, at the same time, a displacement division function to reduce a relatively large key lever and link displacement to a relatively small rack displacement with a correspondingly higher force factor. The force multiplication linkage translates the rack of the rack/pinion pair to engage the alternate portion of the rack, thereby reversing the rotation of the pinion and allowing the selection from the opposite hemisphere of the type element in response to a selection output.
摘要翻译： 公开了一种用于将分叉齿条从一个位置移动到第二位置的装置，由此将分叉的齿条构件的交替侧面与空间固定位置的小齿轮接合。 通过与打字机的键盘的直接链接来控制齿条移位机构，该键盘响应于换档键杆的移动。 该机构执行力相乘，并且同时具有位移分割功能，以减小相对较大的键杆并将位移链接到具有相应更高的力因子的较小的齿条位移。 力乘法连接使齿条/小齿轮对的齿条平移以接合齿条的交替部分，从而反转小齿轮的旋转并允许响应于选择输出从类型元件的相对半球进行选择。
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公开(公告)号：US4225252A
公开(公告)日：1980-09-30
申请号：US889406
申请日：1978-03-23
申请人： Tetsuma Asahi
发明人： Tetsuma Asahi
摘要： There is disclosed a selection mechanism for a single element printer comprising an operating link connected with the print element for the driving rotation thereof and having a first and a second input portion, and a modifying member having the link mounted thereon for pivotal motion about the first input portion. A cam follower is provided on the modifying member for engagement by a case shift cam, which is operable independent of the print shaft, to shift between a pair of locations in either of which a first character selection means cooperates with the modifying member to position the latter in either of two distinctive positions so that the first input portion of the operating link is positionable to any of four positions. The second input portion of the link is associated with a second character selection means for positioning the link to any of a plurality of pivotal positions relative to the first input portion thereof. The selection mechanism is simply constructed by connecting all the input means to a single operating link mounted inclusively on the carrier and, therefore, the selection mechanism can be manufactured at a low cost. Maintenance and adjustment of the printer can also be greatly minimized.
摘要翻译： 公开了一种用于单元件打印机的选择机构，其包括与用于其驱动旋转的打印元件连接的操作连杆，并具有第一和第二输入部分，以及修改构件，其具有安装在其上的链接，用于围绕第一 输入部分。 凸轮从动件设置在修改构件上，用于通过独立于打印轴操作的壳体换档凸轮进行啮合，以在第一个字符选择装置与修正构件配合的一对位置之间移动， 后者在两个不同的位置中的任一个中，使得操作连杆的第一输入部分可定位到四个位置中的任一个。 链接的第二输入部分与第二字符选择装置相关联，用于将链接定位到相对于其第一输入部分的多个枢转位置中的任一个。 选择机构简单地通过将所有输入装置连接到包括在载体上的单个操作链路构成，因此可以以低成本制造选择机构。 也可以大大减少打印机的维护和调整。
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公开(公告)号：US3987282A
公开(公告)日：1976-10-19
申请号：US570507
申请日：1975-04-22
申请人： Edward H. Lau , John F. Tweedy, Jr.
发明人： Edward H. Lau , John F. Tweedy, Jr.
CPC分类号： B41J7/50 , G05B19/232 , G05B2219/34236 , G05B2219/42182
摘要： There is disclosed a typewriter using a single element print head wherein the tilt and rotate positions for character selection are obtained by servo systems driving tilt and rotate shafts. The system utilizes a digital multiplexing system whereby common elements in the servo channels are time shared. One common element is a binary arithmetic unit which compares binarily represented actual and desired position values of the shafts to fetch from a memory desired velocity information. The fetched velocity information in binary form is compared with the binarily represented actual velocity of the shafts to generate signals for energizing the servo motors which drive the shafts.
摘要翻译： 公开了一种使用单元件打印头的打字机，其中通过驱动倾斜和旋转轴的伺服系统获得用于字符选择的倾斜和旋转位置。 该系统利用数字多路复用系统，由此伺服通道中的共同元件是时间共享的。 一个常见的元件是二进制运算单元，其将二进制表示的实际和期望的位置值与存储器所需的速度信息进行比较。 将二进制形式的获取的速度信息与两轴的实际速度进行比较，以产生用于激励驱动轴的伺服电动机的信号。
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公开(公告)号：US3924721A
公开(公告)日：1975-12-09
申请号：US51413374
申请日：1974-10-11
申请人： BURROUGHS CORP
发明人： REYNOLDS ROBERT J
CPC分类号： B41J7/50 , G05B19/353 , G05B2219/37314 , G05B2219/42182
摘要： A digital logic and servo system for controlling a servo motor which rotates a single element print head to a new print position by conforming the servo motor to an optimized velocity profile in accordance with a digital comparison between a rotate position error code and a derived velocity code. The rotate position error code and a weighted velocity code are derived from the output of a resolver that provides position information to the digital logic which causes the rotate motor to rotate the print head in the direction of the new print position in conformity with the optimized velocity profile. Digital logic is included that changes the weighting of the derived velocity code as it is input to the position error versus velocity comparator at a point in a print cycle when damping may be reduced without the risk of overshooting the new print position.
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公开(公告)号：US3770095A
公开(公告)日：1973-11-06
申请号：US3770095D
申请日：1971-01-28
申请人： OLIVETTI & CO SPA
发明人： GUERRINI G , FALCONIERI R
摘要： A printing mechanism is provided with a substantially horizontal barrel-shaped type carrier. The type carrier is rotatable by means of an articulated joint and gears on a yoke for selecting a row of characters. The yoke is rotatable on a bail by means of a pin and slot of a slider, for selecting a line of characters. The bail is moreover horizontally swingable on a carriage by a spring controlled by the line of characters, for printing the selected character. The carriage is transversely movable with respect to the platen and carries rotatably two hollow shafts driven by a pair of prismatic shafts parallel to the platen and selectively rotatable on the machine frame.
摘要翻译： 印刷机构设置有大致水平的桶形型载体。 类型托架可以通过铰接接头和轭架上的齿轮旋转，用于选择一排字符。 轭可以通过滑块的销和槽在吊环上旋转，用于选择一行字符。 此外，吊环还可以通过由字符行控制的弹簧在滑架上水平摆动，用于打印所选择的角色。 滑架相对于压板可横向移动，并且可旋转地承载两个由平行于压板的棱柱轴驱动的空心轴，并且可选择性地在机架上旋转。
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公开(公告)号：US3420350A
公开(公告)日：1969-01-07
申请号：US3420350D
申请日：1967-08-30
申请人： GRUNDIG EMV
发明人： DECKER HERBERT
CPC分类号： B41J7/50
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