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1. 发明授权

US3670859A Clutch and clutch cover 失效
标题翻译：离合器和离合器盖
公开(公告)号：US3670859A
公开(公告)日：1972-06-20
申请号：US3670859D
申请日：1970-01-02
申请人： SCHIEFER MFG CO
发明人： SCHIEFER PAUL J , MCFARLAND JAMES D JR
IPC分类号： F16D13/71 , F16D13/60
CPC分类号： F16D13/71
摘要： A ''''Long'''' type clutch cover has a plurality of windows for the release fingers utilized in disengaging the clutch''s pressure plate from the clutch''s clutch disc assembly. Each window has a pair of inwardly extending bearing flanges to increase the strength of the clutch cover to resist pressure plate imposed, rotational loads. The corners of the windows are radiused to reduce the likelihood of fatigue failure. Each pair of bearing flanges is engaged by upstanding bosses of a yoke on the pressure plate to provide the load coupling of the pressure plate with the clutch cover. The yokes also provide mounting of the release fingers to the pressure plate, the release fingers also being pivotally mounted to the clutch cover.
摘要翻译： “长”型离合器盖具有用于将离合器的压板与离合器的离合器盘组件分离的用于释放指的多个窗口。每个窗口都有一对向内延伸的轴承法兰，以增加离合器盖的强度，以抵抗压板施加的转动载荷。窗户的角落是圆角的，以减少疲劳失效的可能性。每对轴承凸缘由压板上的轭架的直立凸台啮合，以提供压板与离合器盖的负载耦合。轭还提供将释放指状件安装到压力板上，释放指也可枢转地安装到离合器盖上。

2. 发明授权

US3584718A Wear surfaces of clutches, flywheels and the like 失效
标题翻译：离合器，飞轮等的磨损表面
公开(公告)号：US3584718A
公开(公告)日：1971-06-15
申请号：US3584718D
申请日：1969-06-02
申请人： SCHIEFER MFG CO
发明人： SCHIEFER PAUL , MCFARLAND JAMES D JR
IPC分类号： F16D13/50 , F16D65/12 , F16D69/02 , F16D13/46 , F16D13/60
CPC分类号： F16D13/50 , F16D65/127 , F16D69/027 , Y10T428/31
摘要： The pressure plate and flywheel of a clutch and flywheel assembly each has a wear surface defined by a coating which acts as a heat barrier to prevent excessive temperature increases in the substrate of the coatings. The coatings are of A1203 applied by flame plating. The coatings are characterized by their hardness of from about 700 to about 950 VPN300, a porosity of about 2 to about 3 percent, a bond strength to each of the substrates of about 6,000 to about 9,000 p.s.i., a density of about 3.40 gm/cc., a modulus of rupture of about 20,000 p.s.i., a coefficient of thermal expansion of about 3.9 in./in./*F. X 10 6, a thermal conductivity of from about 20 to about 40 BTU/(hr.) (ft.2) (*F./in.), and an operational temperature range of from about ambient to about 1,800* F.

3. 发明授权

US3580372A Clutch with adjustable centrifugal pressure assist levers 失效
标题翻译：离合器可调节离心压力辅助器
公开(公告)号：US3580372A
公开(公告)日：1971-05-25
申请号：US3580372D
申请日：1969-05-26
申请人： SCHIEFER MFG CO
发明人： SCHIEFER PAUL J , MCFARLAND JAMES D JR
IPC分类号： F16D43/12 , F16D43/06
CPC分类号： F16D43/12 , Y10S411/955
摘要： A centrifugal pressure assist type clutch utilizes the constant force of compression springs and a variable dynamic force to load a pressure plate against a driven disc. The clutch is adjustable to vary the dynamic loading of the pressure plate on the driven disc and therefor the engagement force of the clutch with a flywheel. The clutch has a plurality of radially disposed release fingers pivotally secured to a clutch cover in a common plane normal to the axis of rotation of the clutch. The fingers are also pivotally secured to the pressure plate. Each finger has a lever portion which extends radially inward from the finger''s pivotal connection to the clutch cover for selective engagement by a clutch release bearing. Each finger also has a centrifugal weight to create a moment which is a function of the rotational speed of the finger that tends to pivot the finger about the pivotal connection to the clutch cover and force the pressure plate against the driven disc. The adjustment of the dynamic loading is effected through movement of the position of the fingers'' pivot axes on the clutch cover relative to the finger pivot points on the pressure plate and therefore the moment of the fingers at a given rotational speed.

4. 发明授权

US3630333A Clutch with diaphragm and clip springs for parallel 失效
标题翻译：离合器与平板和夹子弹簧并行
公开(公告)号：US3630333A
公开(公告)日：1971-12-28
申请号：US3630333D
申请日：1970-01-02
申请人： SCHIEFER MFG CO
发明人： SCHIEFER PAUL J , MCFARLAND JAMES D JR
IPC分类号： F16D13/58
CPC分类号： F16D13/585
摘要： The diaphragm of a diaphragm clutch is urged toward its engagement position by assist springs to overcome the effect of centrifugal force which tends to keep the diaphragm in its disengaged position. The assist springs are coupled to the diaphragm and the clutch cover to prevent their displacement by centrifugal force. To this end, a hook-shaped portion of each assist spring engages the inside of a pair of pivot rings for the diaphragm to secure the assist springs at one end. The other end of each assist spring is received in a hole in the clutch cover. For rigidity, the clutch cover is adapted for full 360* register with a flywheel and employs reinforcing ribs proximate the anchor points on the clutch cover of the drive straps which carry the pressure plate.

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