Abstract:
An epicyclic gear system (A) includes a sun gear (2), a ring gear (4) located around the sun gear, planet gears (6) organized in two arrays between the sun and ring gears, and a carrier (8) having walls (14) located beyond the planet gears and flexpins (24) that project from the walls into the planet gears. Each flexpin includes an inner pin (30) provided with a flange 36 that is secured to the wall from which the inner pin projects, thus cantilevering the inner pin from the wall, and a sleeve (32) that is cantilevered from the opposite end of the inner pin and extends back over the inner pin, thus providing a double cantilever. Between the sleeve of the flexpin and the planet gear for that flexpin is a double row tapered roller bearing (26). The planet gears on the one array may be offset angularly with respect to the planet gears of the other array.
Abstract:
A radially compliant gear is provided to reduce transmitted shock loads and/or resist jamming as a result of debris entering its mesh with another gear. The radially compliant gear includes a hub (59, 52) adapted to rotate about an axis, and a compliant rim (16). The hub includes a first surface (58, 64) that faces radially inwardly. The rim includes external gear teeth (13) and a second surface that faces radially outwardly (23, 34). The rim is mounted to the hub through the first and second surfaces to allow localized radial deflections of the rim relative to the hub. The first and second surfaces are configured to provide a predetermined minimum radial preload between the rim and the hub.
Abstract:
A silk hat flexible external gear (13) of a flexible engagement gear device (11) comprises a body part (22), a diaphragm (23) and a boss (25). The one side of the shape of the cross section which is obtained by cutting a plate-shaped part (28) of the diaphragm (23) along a plane including the device axis (11a) is defined by a straight line (231) extending in a radial direction. The other side of the shape of the cross section is defined by a first convex circular arc (240), a concave circular arc (250) and a second convex circular arc (260) in this order from the boss side. Among those circular arcs, the first convex circular arc (240) has the smallest curvature and the concave circular arc (250) has the largest curvature. The concave circular arc (250) is at the center position of the plate-shaped part (28), which has the smallest thickness in the plate-shaped part (28). If the flexible external gear having this cross section is used, when the axial length is reduced, the stress concentration can be relieved without increasing the outer diameter.
Abstract:
A rotatable apparatus includes a pair of rotatable members joined by a stress dissipating structure. The stress dissipating structure can be employed in a gear (Fig. 20) (205), sprocket, clutch (Figs. 24-28) or the like. In one embodiment (Fig. 20) of the present invention, anti-buckling plates (211, 231) generally spanning between a hub (223) and rim (209) define a hollow cavity. In another embodiment (Fig. 45) of the present invention, the stress dissipating structure includes specifically configured sets of nodules (2301, 2303) between the hub (Fig. 42) (2071) and rim (2077). An additional aspect of the present invention provides a stress dissipating structure employing various anti-buckling plate attachment constructions. In still another embodiment of the present invention (Figs. 17-20; Fig. 40), a uniquely sized and packaged gear, gear housing and/or motor are employed in order to maximize output force per pound of material efficiences. Another embodiment employs a stress dissipation member in a door lock mechanism (Fig. 49).
Abstract:
A gear arrangement for transmitting torque through an angle and through a plurality of power extraction paths. The arrangement includes a driving shaft (20), a floating spur gear pinion (22) concentrically mounted on the drive shaft, a pair of concentric and opposed face gears (32, 34) that are in meshing engagement with the pinion (22), a primary driven shaft (42) mounted to one of the face gears (32) and at least one non-floating spur gear (60) also in meshing engagement with both face gears (32, 34). The driving shaft is located by a bearing or a flexible coupling (28) at the shaft end remote from the gear box to allow the pinion (22) to float freely. Useful power may be extracted from both face gears (32, 34) and the non-floating spur gear (60) as well as additional spur gears (92) that are placed in meshing engagement with the face gears.
Abstract:
In a starter for internal combustion engines with an electric starter motor (10) having a drive shaft (16), a starter pinion (12) engaging in a starter ring gear (13) of an internal combustion engine and with a transmission gear (11) forming the operative connection between the drive shaft (16) and the starter pinion (12), the risk of breakage in the drive train transmitting the torque of the starter motor (10) to the starter pinion (12) as a result of the compression and depression shocks arising from the internal combustion engine to be started is reduced by securing the starter pinion (12) directly or indirectly so as to turn with the gear shaft (24), which is connected via a flexible coupling (34) to an annular gear (21) with internal teeth (20) with which the outer teeth of the drive shaft (16) engage.
Abstract:
In a multi-axis mechanical manipulator with adjustable travel and protection against overloading, the movement is transmitted to the indexing mechanism (10) by the combination of a sliding rotor motor (2) of a reducing gear with wheel and endless screw (30) and an adjustable torque limiter (40). The law of motion of the indexing mechanism (10) is determined in this way so as to obtain constant speed over a wide range, possibly with stopping points. The rotating frame (56) is linked to the indexing mechanism (10) by a spring bushing (50). The movement is transmitted to the cylindrical cam (6) by an adjustable torque limiter (28). The manipulating arm (7) is displaced by a spring plate which permits a momenttary angular retraction of the arm (7) when it encounters an obstacle. Application: handling of loads or parts.
Abstract:
An electric circuit breaker capable of being opened and closed from a remote location. The circuit breaker includes a stationary contact (14), a movable contact (16) mounted on a carrier (18) and a trip mechanism (40) that trips the circuit breaker, moving the carrier (18) to an open position upon the occurrence of an overcurrent. The remote control assembly (68) opens and closes the circuit breaker independently of the trip mechanism (40). Upon receiving a signal from a timer switch (104), a motor (70) operates, rotating a gear spring (72) connected to the motor shaft (78). An actuator (74) has a tooth (98) positioned between the wire layers of the gear spring (72). As the gear spring (72) rotates, the tooth (98) moves toward the motor (70), pivoting the actuator (74). An operating rod (88), connected to both the actuator (74) and the carrier (18), pulls the carrier (18) to open the contacts as the actuator (74) rotates.
Abstract:
Die vorliegende Erfindung betrifft einen Verstellantrieb, insbesondere eines Fahrzeugs, zum Antrieb einer Komponente vorgesehen ist, mit einer Antriebseinheit, die eine erste Abtriebswelle umfasst, wobei an die erste Abtriebswelle eine Abtriebseinheit oder eine Zwischeneinheit, die zwischen der Antriebseinheit und der Abtriebseinheit angeordnet ist, modular adaptierbar ist.