Hydraulic remote control device for controlled members, such as external rear view mirrors on vehicles

A hydraulic remote control device for at least one controlled member (211) movable on a support (213, 210), said device comprising:

• a manually operated control member and
• at least two hydraulic positioning circuits each comprising:
• a positioning transmitter (9), which is a fluid pressure transmitter comprising a flexible walled deformable bag containing a hydraulic fluid,
• at least one positioning receiver (214), which is a fluid pressure receiver having a variable volume chamber (215), and
• at least one line (9a, 216) connecting the transmitter to the receiver,
• said hydraulic circuits being such that the flexible walled bag (9) of the transmitter of at least one hydraulic circuit is mechanically deformed by the manual actuation of the control member, in such manner that fluid contained in it is transferred to at least one of the receivers (214) connected to it, and the receivers (214) mechanically connect the controlled member (211) to its support (213, 210) in order to modify the position of the controlled member relative to the support in response to the operation of the control member, characterized in that the flexible walled bag (9) of each transmitter is mounted directly in the manually operated control member, and in that the manually actuated control member is a linear manipulator comprising a plurality of pushbuttons (50) disposed side by side and each having a pusher (51) mounted for pivoting about a rocking axis (56) on a base (57) fastening the pushbotton (50) to a support, at least one deformable bag (59) being interposed between each rocking pusher (51) and the base (57).

A hydraulic remote control device for at least one controlled member (211) movable on a support (213, 210), said device comprising:

• a manually operated control member and
• at least two hydraulic positioning circuits each comprising:
• a positioning transmitter (9), which is a fluid pressure transmitter comprising a flexible walled deformable bag containing a hydraulic fluid,
• at least one positioning receiver (214), which is a fluid pressure receiver having a variable volume chamber (215), and
• at least one line (9a, 216) connecting the transmitter to the receiver,
• said hydraulic circuits being such that the flexible walled bag (9) of the transmitter of at least one hydraulic circuit is mechanically deformed by the manual actuation of the control member, in such manner that fluid contained in it is transferred to at least one of the receivers (214) connected to it, and the receivers (214) mechanically connect the controlled member (211) to its support (213, 210) in order to modify the position of the controlled member relative to the support in response to the operation of the control member, characterized in that the flexible walled bag (9) of each transmitter is mounted directly in the manually operated control member, and in that the manually actuated control member is an oscillating manipulator (70) comprising a tubular body (73) for fastening the manipulator to a support (76) and an oscillating pusher (71) guided by a ball-and-socket joint (72, 75) in the tubular body (73) and engaged in the latter by a portion forming a cam (72) deforming at least three deformable bags (79) distributed, preferably regularly, inside the tubular body (73), the oscillating pusher (71) also being provided with a push plate (77) which is disposed outside the tubular plate (77) which is disposed outside the tubular body (73) and which, when any eccentric thrust is applied to it, brings about a relative displacement of the tubular body (73) and of the pusher (71), thereby compressing at least one deformable bag (79).

A hydraulic remote control device for at least one controlled member (211) movable on a support (213, 210), said device comprising:

• a manually operated control member and
• at least two hydraulic positioning circuits each comprising:
• a positioning transmitter (9), which is a fluid pressure transmitter comprising a flexible walled deformable bag containing a hydraulic fluid,
• at least one positioning receiver (214), which is a fluid pressure receiver having a variable volume chamber (215), and
• at least one line (9a, 216) connecting the transmitter to the receiver,
• said hydraulic circuits being such that the flexible walled bag (9) of the transmitter of at least one hydraulic circuit is mechanically deformed by the manual actuation of the control member, in such manner that fluid contained in it is transferred to at least one of the receivers (214) connected to it, and the receivers (214) mechanically connect the controlled member (211) to its support (213, 210) in order to modify the position of the controlled member relative to the support in response to the operation of the control member, characterized in that the flexible walled bag (9) of each transmitter is mounted directly in the manually operated control member, and in that the manually actuated control member is a manipulator having a pusher (97) mounted floating on a base (91) serving for fastening the manipulator to a support and having at least three cavities receiving deformable bags (94, 95, 93), facing which the pusher (97) is provided with cams (100, 101, 102) for the compression of the bags when a thrust is applied to the pusher.

A hydraulic remote control device for at least one controlled member (211) movable on a support (213, 210), said device comprising:

• a manually operated control member and
• at least two hydraulic positioning circuits each comprising:
• a positioning transmitter (9), which is a fluid pressure transmitter comprising a flexible walled deformable bag containing a hydraulic fluid,
• at least one positioning receiver (214), which is a fluid pressure receiver having a variable volume chamber (215), and
• at least one line (9a, 216) connecting the transmitter to the receiver,
• said hydraulic circuits being such that the flexible walled bag (9) of the transmitter of at least one hydraulic circuit is mechanically deformed by the manual actuation of the control member, in such manner that fluid contained in it is transferred to at least one of the receivers (214) connected to it, and the receivers (214) mechanically connect the controlled member (211) to its support (213, 210) in order to modify the position of the controlled member relative to the support in response to the operation of the control member, characterized in that the flexible walled bag (9) of each transmitter is mounted directly in the manually operated control member, and in that the manually actuated control member is a path switching manipulator (148) making possible the selective control of one or the other of two controlled members, the position of each of which is determined by at least two, but preferably three fluid pressure positioning receivers of the deformable receiver bag (130 to 132, 133 to 135) type, the manipulator comprising on the one hand a body (149) housing a corresponding number of fluid pressure positioning transmitters of the deformable transmitter bag (145, 146, 147) type, each of which is connected in parallel by connection pipes (142, 143, 144) to two positioning receivers each associated with one of the two controlled members, and on the other hand two fluid pressure obturating transmitters of the deformable obturating transmitter bag (153, 154) type, each of which is connected by a connection pipe (155, 156) to a fluid pressure obturating receiver of the deformable receiver bag (157, 158) type, which is held by mechanical means in a pressure transmission relationship with each of the deformable isolator bags (136 to 138, 139 to 141), the number of which is equal to the number of positioning receiver bags and each of which is situated upstream of one of said deformable positioning receiver bags (130 to 132 and 133 to 135) associated with one of the controlled members, in such a manner that the compression of an obturating transmitter bag (153, 154) transfers fluid to the obturating receiver bag (157, 158) which is connected to it and which is placed under pressure and increases in volume in such a manner as to compress simultaneously the isolator bags (136 to 138, 139 to 141) upstream of the positioning receiver bags (130 to 132 and 133 to 135) of the corresponding controlled member in order to cut communication between these positioning receiver bags and the positioning transmitter bags (145, 146, 147) of the manipulator (148) which remain in communication with the positioning receiver bags associated with the other controlled member.

A hydraulic remote control device for at least one controlled member (211) movable on a support (213, 210), said device comprising:

• a manually operated control member and
• at least two hydraulic positioning circuits each comprising:
• a positioning transmitter (9), which is a fluid pressure transmitter comprising a flexible walled deformable bag containing a hydraulic fluid,
• at least one positioning a receiver (214), which is a fluid pressure receiver having a variable volume chamber (215), and
• at least one line (9a, 216) connecting the transmitter to the receiver,
• said hydraulic circuits being such that the flexible walled bag (9) of the transmitter of at least one hydraulic circuit is mechanically deformed by the manual actuation of the control member, in such manner that fluid contained in it is transferred to at least one of the receivers (214) connected to it, and the receivers (214) mechanically connect the controlled member (211) to its support (213, 210) in order to modify the position of the controlled member relative to the support in response to the operation of the control member, characterized in that the flexible walled bag (9) of each transmitter is mounted directly in the manually operated control member, and in which each of the hydraulic circuits includes at least one detachable connector comprising a deformable receiver connection bag (169) connected by a connection pipe (169a) to the deformable bag of the corresponding transmitter, a deformable transmitter connection bag (170) connected by a connection pipe (170a) to the deformable bag of the corresponding receiver, and a casing (161, 162) housing the transmitter and receiver connection bags, holding them bearing one against the other in order to that the pressure exerted on the receiver connection bag (169) will be transmitted to the transmitter connection bag (170), characterized in that the casings of the detachable connectors consist of a single connector body (160) comprising two panels (161, 162) which fold over and are detachably fastened (168) one against the other and each of which has an equal number of at least three cavities, each of which comes to face a cavity in the other panel when the two panels (161, 162) are folded over and fastened one against the other, the three transmitter connection bags (170) each being disposed in one of the three cavities in a panel (162) which come to face the three cavities in the other panel (161) in each of which cavities is disposed one of the three receiver connection bags (169).

A hydraulic remote control device for at least one controlled member (211) movable on a support (213, 210), said device comprising:

• a manually operated control member and
• at least two hydraulic positioning circuits each comprising:
• a positioning transmitter (9), which is a fluid pressure transmitter comprising a flexible walled deformable bag containing a hydraulic fluid,
• at least one positioning receiver (214), which is a fluid pressure receiver having a variable volume chamber (215), and
• at least one line (9a, 216) connecting the transmitter to the receiver,
• said hydraulic circuits being such that the flexible walled bag (9) of the transmitter of at least one hydraulic circuit is mechanically deformed by the manual actuation of the control member, in such manner that fluid contained in it is transferred to at least one of the receivers (214) connected to it, and the receivers (214) mechanically connect the controlled member (211) to its support (213, 210) in order to modify the position of the controlled member relative to the support in response to the operation of the control member, characterized in that the flexible walled bag (9) of each transmitter is mounted directly in the manually operated control member, and in which at least one controlled member (211) is retained on its support (213,210) by ball joint articulation means (219, 220, 224, 225) permitting, on the one hand, the locking of the controlled member (221) in position relative to its support (213,210) through the friction against one another of at least two bearing surfaces (224, 225) in the form of spherical domes whose curvatures are complementary and which have the same center as said articulation means and are applied against one another by a locking pressure, and on the other hand the changing of the orientation of the controlled member (211) in relation to its support (213, 210) through the action of an increase of the volume of at least one of the variable volume chambers (215) of the positioning receivers (214) interposed between said controlled member (211) and its support (213, 210), characterized in that it comprises at least one additional hydraulic circuit comprising an unlocking transmitter of the variable volume chamber type, which is within the reach of the user and is connected by a connection pipe (228a) to at least one unlocking receiver of the variable volume chamber (228) type which is mounted on the support (213, 210) in such a manner as to develop a pressure antagonistic to the locking pressure in order to move apart said frictional bearing surfaces (224, 225) through an increase of the volume of said variable volume chamber (228) of the unlocking receiver as the result of a reduction of the volume of said variable volume chamber of the unlocking transmitter.