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Patent Agency Ranking1.发明授权
公开(公告)号：US3892304A
公开(公告)日：1975-07-01
申请号：US37527773
申请日：1973-06-29
Applicant: IBM
Inventor： SHAKIB IRAJ D
Abstract: A carrier for a printer, having a single type element, is disclosed. The selection apparatus contained within the carrier is one whereby only a rotary power force plus control signals need be introduced into the carrier. The selection apparatus is comprised of barrel cams having a plurality of channels formed into the periphery of the barrel cams to cause lateral displacement thereof on their drive shaft. The lateral displacement of the barrel cams is converted into a linear motion which is in turn transmitted and converted into rotary motion to position the type element about its rotate and tilt axes. The controls for transmitting signals to the carrier are pneumatic and the pneumatic impulses received by the carrier logic block and actuator blocks activate mechanical latches to insert selector pins into the grooves of the barrel cams. A dual rack and single pinion arrangement is disclosed to convert the linear motion to rotary motion of the type element.
Abstract translation: 公开了一种具有单一类型元件的打印机的载体。 包含在载体内的选择装置是仅需要将旋转动力加上控制信号引入到载体中的选择装置。 选择装置包括具有形成在筒形凸轮的周边中的多个通道的筒形凸轮，以在其驱动轴上引起横向位移。 镜筒凸轮的横向位移被转换成直线运动，该运动又被传递并转换为旋转运动，以便围绕其旋转和倾斜轴定位该类型元件。 用于将信号发送到载体的控制是气动的，并且由载体逻辑块和致动器块接收的气动脉冲激活机械闩锁，以将选择器插头插入到筒形凸轮的凹槽中。 公开了一种双齿条和单小齿轮装置，用于将线性运动转换成类型元件的旋转运动。
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公开(公告)号：CA1005781A
公开(公告)日：1977-02-22
申请号：CA201975
申请日：1974-06-07
Applicant: IBM
Inventor： SHAKIB IRAJ D
Abstract: A carrier for a printer, having a single type element, is disclosed. The selection apparatus contained within the carrier is one whereby only a rotary power force plus control signals need be introduced into the carrier. The selection apparatus is comprised of barrel cams having a plurality of channels formed into the periphery of the barrel cams to cause lateral displacement thereof on their drive shaft. The lateral displacement of the barrel cams is converted into a linear motion which is in turn transmitted and converted into rotary motion to position the type element about its rotate and tilt axes. The controls for transmitting signals to the carrier are pneumatic and the pneumatic impulses received by the carrier logic block and actuator blocks activate mechanical latches to insert selector pins into the grooves of the barrel cams. A dual rack and single pinion arrangement is disclosed to convert the linear motion to rotary motion of the type element.
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公开(公告)号：CA1169295A
公开(公告)日：1984-06-19
申请号：CA387650
申请日：1981-10-09
Applicant: IBM
Inventor： MOTT WILLIAM E , SHAKIB IRAJ D
Abstract: LE9-80-036 FONT MODULE FOR MATRIX PRINTER or the Disclosure A replaceable font module for a printer includes an interrogable storage containing information representing graphic patterns and is connected to cooperate with a printer upon insertion within a corresponding receptacle. The module and receptacle are configured to allow insertion without intense operator attention by virtue of a camming surface on the module that cooperates with a hook-like latch of the receptacle to provide an undulating but positive latching motion in response to a simple operator insertion motion. As a part of the latching motion, a wiping action to assure a high quality contact with conductor pads on the module that provide a transfer point for the communication path to the storage. For the presently preferred implementation, the contacts of both the module and the receptacle are recessed so as to be protected from injury and inadvertent static discharges that might cause component damage. Also the operator, who may be unfamiliar with electronic components, is isolated from electrical contacts and handles a sturdy housing which is easily stored.
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公开(公告)号：CA1049945A
公开(公告)日：1979-03-06
申请号：CA238092
申请日：1975-10-20
Applicant: IBM
Inventor： ABELL WILLIAM A JR , FIELD THOMAS R , HAUS RALPH A , SHAKIB IRAJ D
Abstract: Disclosed is a mechanism for shifting the rack of a selection mechanism for a single element printer from one position to another in timed relationship to the translation of a barrel cam which provides the necessary mechanical input to control the amount of rotation of the typehead. The control of the rack shift mechanism is a cam arrangement operated in timed relationship with the translating barrel cam to provide for the shifting of the rack at the beginning of each print cycle, if necessary, and the retaining of the rack in its shifted position at the completion of the cycle. The elimination of the restore operation of the rack provides more time during the cycle to operate the selection mechanism and accomplish printing or conversely provides for a smaller amount of time being required for the necessary functions thereby providing the capability of operating the mechanism at a faster rate.
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公开(公告)号：FR2336617A1
公开(公告)日：1977-07-22
申请号：FR7634526
申请日：1976-11-08
Applicant: IBM
Inventor： SHAKIB IRAJ D
Abstract: In a system with pneumatic logic elements, the control valve, briefly triggered mechanically, transmits air-pressure impulses to the logic elements (46, 48). A plate-shaped valve body (34) is movable in the valve chamber (30) between two end positions, where it closes either the valve inlet (28) or a discharge port (38) connected to the atmosphere. The control valve is bistable in as much as the valve body (34), in the event of failure of the mechanical triggering, remains in the bottom end position despite the presence of a pressure impulse and closes the valve inlet (28) or, after triggering is effected, remains in the top end position and connects the valve inlet (28) to the valve outlet (42) via the valve chamber (30) as long as the pressure impulse is present at a sufficient level. The forces acting on the valve body in the end positions due to the pressure impulse differ in accordance with the area covered in each case of the bottom (32) or top (40) valve seat. Due to this bistable behaviour, the control valve is insensitive to interference impulses.
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