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公开(公告)号：US4101097A
公开(公告)日：1978-07-18
申请号：US770249
申请日：1977-02-18
CPC分类号： G03B21/43
摘要： A drive control mechanism for selectively actuating a motion picture projector to several operational modes to transport film between a supply device and a take-up device is provided that utilizes a brake mechanism to stabilize a selective driving assembly and to prevent film spillage.The drive control mechanism is provided with a mode controller that translates various positions into predetermined axial and rotational positions and movements that is coupled through actuating members to control a dual clutch assembly driven by a unidirectional input. A brake assembly control device is also coupled to the mode controller and conditions the operation of the brake assembly.The brake assembly is a pivotally operated dual brake shoe arrangement which is pivoted into operative contact with the dual clutch assembly wherein the brake shoe arrangement is selectively operated in and between predetermined operational modes as the brake assembly control device is axially shifted and rotated in response to the mode controller.
摘要翻译： 提供了一种驱动控制机构，用于选择性地将电影投影仪驱动到多种操作模式以在供应装置和卷取装置之间传送胶片，其利用制动机构来稳定选择性驱动组件并防止膜溢出。
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公开(公告)号：US4116550A
公开(公告)日：1978-09-26
申请号：US770256
申请日：1977-02-18
CPC分类号： G03B21/44
摘要： A projector with forward and reverse film drive assemblies and a mode controller assembly for selecting operational modes is provided with a control to selectively stop film transporting when a predetermined film tension occurs. The mode controller assembly is manually shiftable to position the film transport stopping control to reset the control.The control uses a selectively responsive transmitting assembly arranged to transmit a predetermined film tension from a sensor to a reset member when the mode controller assembly is in selected modes as normal forward and reverse. In other modes as fast forward, pause, still and rewind, the selectively responsive assembly is provided with a release locking assembly to prevent transmission of the predetermined film tension condition to the reset member.The selectively responsive assembly has a pivotal release arm that controls the position of the reset member when the predetermined film tension condition occurs. The reset member is a vertically biased arm with an extension to position the mode controller assembly to stop the film when the reset is released.
摘要翻译： 具有正反膜驱动组件的投影仪和用于选择操作模式的模式控制器组件设置有当发生预定膜张力时选择性地停止胶片传送的控制。 模式控制器组件可手动移动以定位胶片传送停止控制以复位控制。
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公开(公告)号：US4033681A
公开(公告)日：1977-07-05
申请号：US609851
申请日：1975-09-02
申请人： Raymond W. H. Kim
发明人： Raymond W. H. Kim
摘要： The disclosure relates to a forward-reverse and variable speed film transport mechanism for use in a motion picture projector. The mechanism includes an integrally formed multiple bladed shutter and up-and-down cam which are rotatable in unison on a driven shaft and an in-out cam having a plurality of surface dwelled concentric cam tracks which is rotatable about a fixed axis in response to the rotation of the shutter and up-and-down cam. The mechanism also includes a shuttle having at least one tooth for engaging the perforations of the film and a first cam follower communicating with the up-and-down cam for causing the tooth to travel in a forward direction through a predetermined stroke and in a reverse direction through a predetermined stroke. The mechanism further includes a second follower coupled to the shuttle and communicating with the dwelled cam tracks and arcuately displaceable about the fixed axis between a first and second position so that when in the first position, the second follower causes the shuttle tooth to engage the film perforations during the forward stroke and to disengage the film perforations during the reverse stroke for forward film transportation, and when in the second position, the second follower causes the shuttle tooth to engage the film perforations during the reverse stroke and to disengage the film perforations during the forward stroke for reverse film transportation. The second follower is also radially displaceable for communicating with selected one of the dwelled surface cam tracks to vary the frequency of shuttle tooth engagement with the film perforations and to thus vary the film transportation rate.
摘要翻译： 本发明涉及一种用于电影投影仪的前进和后退速度胶片传送机构。 该机构包括一体形成的多叶片快门和上下凸轮，它们可以在从动轴上可以一体转动，而一个内侧凸轮具有多个可以围绕固定轴线旋转的表面居住的同心凸轮轨道，该凸轮轨道响应于 快门和上下凸轮的旋转。 该机构还包括具有用于接合膜的穿孔的至少一个齿的梭子和与上下凸轮连通的第一凸轮从动件，用于使齿沿向前的方向行进经过预定行程并且相反地 方向穿过预定行程。 该机构还包括耦合到梭子并与住宅的凸轮轨道连通的第二从动件，并且在第一和第二位置之间围绕固定轴线可弧形移动，使得当处于第一位置时，第二从动件使梭齿接合膜 在向前行程期间的穿孔并且在用于正向胶片传送的后退行程期间使胶片穿孔分离，并且当处于第二位置时，第二从动件使得梭齿在后退行程期间与胶片穿孔接合并且在胶片穿孔期间脱离 反向运输的前进行程。 第二从动件也可径向移位，以便与选定的一个住宅表面凸轮轨道连通，以改变与薄膜穿孔的梭齿啮合的频率，从而改变薄膜输送速率。
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公开(公告)号：US4084892A
公开(公告)日：1978-04-18
申请号：US769987
申请日：1977-02-18
申请人： John P. Bagby , Erwin E. Figge , Raymond W. H. Kim
发明人： John P. Bagby , Erwin E. Figge , Raymond W. H. Kim
CPC分类号： G03B31/02
摘要： A control for varying the speed of advancement of film is described for use in a film projector in which the film is advanced by a shuttle tooth which engages perforations in the film and advances the film along a path between a light source and a projector aperture. The control includes a rotary shutter assembly having one or more shutter blades for interrupting the light from the light source. As the shutter assembly rotates, the shuttle tooth is reciprocated in the direction of film feed by a rotary cam having one or more cam lobes mechanically coupled to the shuttle tooth. The rotation of the cam lobes is synchronized to the rotation of the shutter blades such that the shuttle tooth is positioned for engagement with the perforations associated with the next successive film frame to be projected whenever a shutter blade interrupts the light source. To engage the shuttle tooth with the film perforations, means are included for sensing the interruption of the light source by the shutter blades to generate a train of pulses, each equal in separation to 1/Nth number of light interruptions, (where N is selectable) and, in response to each pulse, means for advancing the shuttle tooth into engagement with the film perforations so that the film may be advanced by the next motion of the shuttle tooth in the direction of film feed. Thus, the film is engaged and advanced upon each reciprocation of the shuttle tooth when N equals one, and at a selectably slower rate when N is greater than one.
摘要翻译： 描述了用于改变胶片进行速度的控制装置，用于胶片投影机，其中胶片由穿过胶片的穿梭齿推进，并使胶片沿着光源和投影仪光圈之间的路径前进。 该控制器包括具有一个或多个快门叶片的旋转快门组件，用于中断来自光源的光。 当闸门组件旋转时，梭齿通过具有机械联接到梭齿的一个或多个凸轮凸角的旋转凸轮在胶片馈送方向上往复运动。 凸轮凸角的旋转与快门叶片的旋转同步，使得梭形齿定位成与快门叶片中断光源时要投影的下一个连续胶片框架相关联的穿孔配合。 为了将梭齿与薄膜穿孔接合，包括用于感测由快门叶片中断光源的装置以产生一串脉冲，每一脉冲相等于1 / N次光中断（其中N是可选择的 ），并且响应于每个脉冲，用于使所述梭齿齿与所述薄膜穿孔接合的装置，使得所述薄膜可以通过所述梭齿沿着胶片进给的方向的下一个运动而前进。 因此，当N等于1时，当梭子齿的每次往复运动时，膜被接合和前进，并且当N大于1时，膜可选择地较慢。
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公开(公告)号：US4032146A
公开(公告)日：1977-06-28
申请号：US684043
申请日：1976-05-07
申请人： Raymond W. H. Kim
发明人： Raymond W. H. Kim
CPC分类号： F41J7/04 , F41J9/02 , Y10T74/19879
摘要： The disclosure relates to a target assembly of the type for use in a target practice range. The target assembly includes a base, a motor in the base, a first rotatable member coupled to the motor, a second rotatable member and a pivotable target member coupled to the second rotatable member. The first rotatable member includes an extension which engages a radial slot within the second member during rotation to cause the second rotatable member to rotate for raising and lowering the target member. The first and second rotatable members have cooperating cam surfaces for locking the target member in a vertical and horizontal position and for freeing the rotatable members for rotation during the raising and lowering of the target member.
摘要翻译： 本公开涉及用于目标实践范围的类型的目标组件。 目标组件包括基座，基座中的马达，联接到马达的第一可旋转构件，第二可旋转构件和联接到第二可旋转构件的可枢转对象构件。 第一可旋转构件包括在旋转期间接合第二构件内的径向槽的延伸部，以使第二可旋转构件旋转以升高和降低目标构件。 第一和第二可旋转构件具有配合的凸轮表面，用于将目标构件锁定在垂直和水平位置，并且在目标构件的升高和降低期间释放可旋转构件以进行旋转。
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公开(公告)号：US4116551A
公开(公告)日：1978-09-26
申请号：US770257
申请日：1977-02-18
CPC分类号： G03B21/44
摘要： A motion picture projector having a forward and reverse film transporting drive, an assembly for sensing a predetermined film tension condition and a mode controller for selecting various operational modes is provided with a control for selectively actuating a rewind mode of operation at a predetermined film tension condition.The selectively actuated rewind control arrangement includes a controller conditioner mechanism that is responsive to film tension and effective to position the controller from a predetermined projector operating mode such as a normal forward mode to a predetermined operating mode such as still when the predetermined film tension condition is sensed. A rewind mode actuator mechanism responsive to the controller conditioner mechanism is provided to control the film transporting drive in the rewind mode upon the operation of the controller conditioner mechanism.The rewind mode actuator mechanism in one arrangement includes a translating member for converting a linear displacement of the controller conditioning mechanism to a rotational movement which is connected to rotate a coupling rod carrying a displacing actuator. The displacing actuator displaces a reverse drive actuator in the film transporting assembly to condition it in a rewind mode.
摘要翻译： 提供具有正向和反向传送驱动器的电影投影仪，用于感测预定胶片张力状态的组件和用于选择各种操作模式的模式控制器，其具有用于选择性地在预定膜张力条件下启动倒带操作模式的控制 。
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公开(公告)号：US4097132A
公开(公告)日：1978-06-27
申请号：US770254
申请日：1977-02-18
摘要： A motion picture projector is provided with a manually shiftable mode controller assembly for selecting various operational modes and apparatus for the automatic threading and rewinding of film. The operative mechanical components of the projector are mounted on a unitarily molded housing including molded structures and portions that independently and cooperatively with other control assemblies and interfitting structures provide features and improved operational characteristics. The molded housing interfits with a take-up reel cover, a control assembly cover and a rear cover that rotatably engages a carrying handle. Structure to define a film path, an automatic threading assist structure, a film speed detent structure and a position defining structure for the mode controller assembly are also provided by and integrally molded with the housing.
摘要翻译： 一种电影投影机设置有用于选择各种操作模式的手动可移动模式控制器组件和用于胶片的自动穿线和倒带的装置。 投影机的操作机械部件安装在一体模制的壳体上，包括模制结构和与其他控制组件和配合结构独立且协同地提供特征和改进的操作特性的部分。 模制外壳与收起卷轴盖，控制组件盖和可旋转地接合携带手柄的后盖相配合。 用于限定膜路径的结构，自动穿线辅助结构，膜速度制动结构和用于模式控制器组件的位置限定结构也由壳体提供并与其一体模制。
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公开(公告)号：US4076247A
公开(公告)日：1978-02-28
申请号：US684044
申请日：1976-05-07
申请人： Raymond W. H. Kim , Erwin E. Figge
发明人： Raymond W. H. Kim , Erwin E. Figge
CPC分类号： F41J9/02
摘要： The disclosure relates to a moving target assembly for use in a target practice range. The moving target assembly includes a target, a target travel guide for guiding the target movement and including a pair of straight sections which are substantially at right angles to one another, and a chain drive running substantially parallel to the straight sections. The target includes selectively operable chain engaging devices so that the target may be selectively guided along one straight section or the other. The assembly also includes structure for returning the target to a home position. Also disclosed is a control for controlling a plurality of such assemblies, including selection of the targets, the speed of target travel, the raising and lowering of the targets, and the actuation of the chain drive motors.
摘要翻译： 本公开涉及一种用于目标练习范围的移动目标组件。 移动目标组件包括目标，用于引导目标移动的目标行进导轨，并且包括基本上彼此成直角的一对直线部分，以及基本上平行于直线部分的链条驱动。 目标包括选择性地操作的链接装置，使得目标可以沿着一个直线部分或另一个直线部分选择性地被引导。 组件还包括用于将目标返回到原始位置的结构。 还公开了用于控制多个这样的组件的控制，包括目标的选择，目标行程的速度，目标的升高和降低以及链条驱动马达的致动。
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