JPS5958215A - Remotely controlled assembly for transmitting motion - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a remote control assembly for motion transmission of the type that transmits motion on curved paths.

A general K, blue bush type or motion transmitting remote control assembly includes a core element guided for linear reciprocating movement into a flexible conduit. A terminal member or connector interconnects the core element and a control member, such as a lever. The lever may be a throttle or transmission assembly actuator. The type of coupling may also depend on the particular use, such as in the case of a throttle lever or other type of lever, and the availability of a particular type of control member and the availability of various types of lever and terminal members. It may also depend on the technical nature of the protrusion extending from the lever to be connected. For example, U.S. Pat. No. 3,787,127 (Culter) discloses a motion transmitting remote control assembly that includes a terminal member for snap-fit attachment to a control member. The pocket is formed by the bearing insert and the casing. This pocket is designed to hold a simple ball pin. Other shaped pockets were configured for other uses. Presently, the transmission assembly includes a control member having a protrusion to be connected to the terminal member;
The protrusion has a cylindrical body portion with a ring pin and an annular flange. The present invention provides a terminal member for retaining such a projection extending from the control member.

According to the present invention, the guide means and the response means are provided, the response means being movably supported by the guide means and providing a variable extension length of the response means between the guide means and one end of the response means. To provide a remote control assembly for transmitting motion of the type that delivers motion to a curved path, characterized in that it extends from a guide means. The extended length of the response means forms lines of force. An integral terminal member operably interconnects the elongated length of the response means and the control member. The assembly is characterized by a terminal member extending from the body portion of the control member and a receiving means forming an axis perpendicular to the lines of force and for receiving the body portion of the control member. - comprises an aperture having retaining means for retaining the luno. The retaining means includes at least one flexible finger forming a portion of the aperture that engages and retains a ball pin located within the aperture.

The present invention will be explained below with reference to the drawings. A preferred embodiment of a motion transmitting remote control assembly of the curvilinear motion transmitting type is shown generally at 10 in FIGS. 1-4. In some embodiments shown in the remaining figures,
Identical parts are given the same numbers.

Assembly 10 includes guiding means, generally indicated at 12. The guide means 12 comprises a conduit (not shown), one end of which is connected to the rigid tubular member 14 . Pipe member 1
4 is connected to the conduit by a swivel joint, thereby allowing a pivoting movement of the tube member 14 relative to the conduit. A wiper member feature 6 is provided at the end portion of the tube member 14. The assembly 10 further comprises a response means which is movably supported by the guide means 12 and which is movably supported by the guide means 12.
The guide means 12 extends from the guide means 12 to provide a variable extension length of the response means between the guide means 12 and one end of the response means. More specifically,
The response means includes a flexible core element (not shown) disposed for linear movement within the conduit. A rod member 18 is connected to one end of the conduit and extends from the tube member 14 to provide a variable length of extension of the core member between the guide means 12 and the end of the rod member 18 extending from the tube member 14. Y/
f16 engages the rod member 18 to create a seal around the rod member to prevent foreign particles from entering the tube member 14. The tubular member 14 may be supported with a swivel fitting (not shown) as is well known in the art.

Assembly 10 includes an integral terminal member, generally designated 20 in FIGS. 1-4, for operatively interconnecting rod member 18 and control member 22. Control member 2
2 is a lever 2 supported by a rotatable operating shaft 24;
It is best to take the form 2. The rod member 18 forms lines of force such that as the rod member 18 moves longitudinally along the formed lines of force, the lever 22 rotates causing the actuation shaft 24 to rotate. Therefore, the terminal member 20
The terminal member 20 interconnects the rod member 18 and the lever 22 to convert linear movement of the response means into pivoting or rotational movement of the shaft 24 via the lever 22, and the terminal member 20 provides a pivotal connection between the rod member 18 and the lever 22. Eggplant. To accomplish this function, the control member 22 is provided with a projection generally indicated at 26 in FIG. The protrusion 26 is the neck part 2
8 and may extend integrally with the lever 22, or may include a threaded portion 3o to be connected to a threaded hole in the lever 22. The projection 26 includes a cylindrical portion 32 and a flange 34 disposed between the portion 32 and the neck portion 28 . A ball pin 36 extends from the injury section 32.

Terminal member 22 includes an aperture 38 extending therethrough and defining an axis perpendicular to the lines of force formed by rod member 18. Opening 38 is lever 2
The lever 22 is provided with accommodating means for accommodating the second body portion 32 and retaining means for retaining a Dale pin 36 extending from the D portion of the lever 22.

More specifically, the accommodation means is located in the di-portion 32 of the lever 22.
The opening 38 includes a substantially cylindrical portion 40 for accommodating the terminal member 22 and for absorbing forces applied as the terminal member 22 moves along the line of force. In other words,
As the rod member 18 is actuated to reciprocate in and out of the tube member 14, the linear movement of the rod member 18 exerts a force on the lever 22 through the terminal member 20 perpendicular to the axis formed by the aperture 38. Add.

The protrusion 26 applied along the line of force formed by the rod member 18 and extending from the lever 22 is attached to the di-portion 3.
This force applied to 2 is absorbed by the cylindrical portion 40 of the aperture 38. Terminal member 20 includes an enlarged body portion 42 that surrounds cylindrical portion 40 of aperture 38 to absorb applied forces.

The receiving means further comprises an annular inwardly tapered portion of the aperture 38 between the cylindrical portion 4o of the aperture 38 and the retaining means. This inwardly tapered portion includes a frustoconical portion 44 adjacent the retaining means and an annular inwardly curved portion 46 between the frustoconical portion 40 and the cylindrical portion of the retaining means. The receiving means also includes abutment means for abutting a flange 34 extending from the body portion 32 of the projection 26 to retain the di portion 32 of the projection 26 below the curved portion 46. The abutment means are arranged around the outer periphery of the opening 38 and include a shoulder portion 48 for abutting the flange 34. By abutting flange 34 , shoulder portion 48 limits the extent to which body portion 32 enters the receiving means of opening 38 .

The retention means for the aperture 38 includes a plurality of fingers 50 extending from the terminal member 20 and having an inner surface forming the retention means for the aperture 38 . A plurality of slots 52 are formed between each of the fingers 50. Each of the slots 52 extends radially from the central axis of the aperture 38 at an angle to the line of force formed by the rod member 18 . That is, none of the slots 52 are arranged on the lines of force. Each of the slots 52 is arranged at an acute angle to the lines of force. Slot 52 extends completely through the retention means of terminal member 20. Slot 52 provides flexibility to the retention means of terminal member 20 by the flexibility of fingers 50 that engage pins 36 of projection 26 . Slot 52 allows finger 5 to be formed by the inner surface of flange 50 during insertion of ball pin 36 into opening 38.
0 can be bent outward.

The retaining means of the aperture 38 is the inner day i4 portion 4 of the receiving means.
4. The inner surface has a cylindrical portion 54 adjacent 4. The retaining means further comprises a frustoconical outer section 56 and an intermediate section 58 between the frustoconical outer section 56 and the cylindrical inner section 54 .

The intermediate portion 58 has a longitudinally inwardly sloped surface;
This surface slopes toward the cylindrical portion 54 to form a circumferential edge between the cylindrical portion and the intermediate portion. The circumferential edge is expanded to form a large lip 60 which extends from the circumferential edge to engage the lug pin 36 of the protrusion 26 extending from the lever 22 and disposed within the opening 38. extends inward.

The outer finger 50 is disposed on the line of force formed by the rod member 18 and includes a small lip 62 that is smaller than the large lip f60. Ball pin 36 is in opening 38
When inserted into the retaining means of the ball pin 36, the ball pin 36 engages the lip 60 and bends the fingers 50 outwardly, thereby allowing insertion of the ball pin 36 between the fingers.

The frustoconical portion S6 facilitates insertion of the pole pin 36.

As the pin 36 passes through the lip 60, the fingers 50 flex inwardly to their original state, causing the lip 7060
is engaged with the pole pin 36 and the pin 36 is opened 3.
8 and retains the di portion 32 of the projection 26 within the cylindrical portion 40 of the receiving means of the opening 38.

Terminal member 20 includes a neck portion 64 extending radially outward relative to the axis defined by aperture 38 . The neck portion 64 has a substantially cylindrical bore 66 parallel to the lines of force formed by the rod member 18, and the rod member 18 has an end retained within the bore 66 parallel to the lines of force. It has a section 68. The rod member 18 has an end 6
8, the neck 64 has an annular recess 70 around the recess 70;
An annular protrusion 72 molded around the neck 64 engages the end 68 of the rod member 18 to retain the rod member 18 within the bore 66 of the neck 64 .

Second and third embodiments of the invention are shown at 71 and 73 in FIGS. 5, 6 and 7, respectively. As shown in FIGS. 5-7, the neck 64 may include longitudinally extending ribs 74 on its outer surface. Rip 74
, the terminal members 71 and 73 are connected to the rod member 1.
KL rotatable around the end 68 of 8, rod member 18
reducing the amount of material placed around the end 68 of.

The terminal member 71 shown in FIG. 5 includes an extended neck portion 64. The terminal member 71 shown in FIG. The extended neck portion 64 forms a stop that abuts the wiper 16 of the guide means 512.

In operation, when the rod member 18 is drawn into the tube member 14, the neck portion 64 of the terminal member 71
6 to limit the extent to which the rod member 18 is drawn into the tube member 14.

The terminal member 73 shown in FIGS. 6 and 7 has an extended neck 6 having an annular recess 76 and an inner end 78.
It is equipped with 4. The recess 76 and the portion 78 of the tee 71 make it possible to apply to the terminal member 73 a putty adapted to be attached to the tubular member 14. The boot provides a means for isolating the rod member 18 from the surrounding environment, thereby further preventing contamination of the assembly 10 by foreign particles that would interfere with smooth linear movement of the core means.

Is the terminal member 20 organic yi? IJ material and molded around the end 68 of the rod member 18. Although the present invention has been described by way of example, the terminology used is of course intended to be descriptive rather than limiting. It is understandable that it is.

6 Obviously, many modifications and variations of the present invention are possible in light of the above teachings. It is therefore to be understood that the reference numerals are merely for convenience and not limiting in any way, and that, within the scope of the appended claims, the invention may be practiced otherwise than as specifically described.

[Brief explanation of the drawing]

FIG. 1 is a schematic elevational view of a motion transmission remote control assembly constructed in accordance with the present invention; FIG. 2 is an enlarged partial plan view of the present invention;
FIG. 3 is a cross-sectional view taken substantially along line 3--3 of FIG. 2;
FIG. 4 is a cross-sectional view taken substantially along line 4--4 of FIG. 2;
FIG. 5 is an enlarged plan view of a second embodiment of the invention; FIG. 6 is an enlarged plan view of a third embodiment of the invention; and FIG. 7 is a cross-sectional view taken substantially along line 7--7. It is a front view. DESCRIPTION OF SYMBOLS 10... Remote control assembly for motion transmission, 12... Guide means, 14... Tube member, 16... Y-9 member, 1
8... Rod member, 20... Terminal member, 22
...Control member, 24...Operating shaft, 26...
Projection part, 28... neck part, 32... cylindrical shape is D member, 34... flange, 36... is -lupin, 38
...Opening, 40...Cylindrical part, 44...Truncated conical part, 46...Curved part, 48...Shoulder part, 50
...Finger, 52...Slot.

Claims (1)

[Claims] (11 Guide means (12): movably supported by the guide means (12) and with the guide means (2) and one end (68)
core means (18) extending from the guide means (12) to provide a variable length of extension forming a line of force between the core means (18) and the body portion 32; d extending from the D part? −
A remote control for transmitting motion, comprising an integral terminal member (20) for operatively interconnecting a control member (22) of the type having a loop pin (36) and said extended length of the core means (18). In the assembly, the terminal member forms an axis perpendicular to the line of force and includes receiving means for receiving a body portion (32) ft of the control member (22); an opening extending from the portion (32) and having a retaining means for retaining the pin (36), said retaining means extending from the opening (38);
) at least one flexible finger (50) forming part of said aperture (38) for engaging and retaining a Zeel pin (38) disposed in said opening (38); A remote control assembly for transmitting motion of a type that transmits motion on a curved path with a characteristic of . (2) The accommodation means is the body portion (32) of the control member (22).
1 and for absorbing the force applied when the terminal member (22) moves along the line of force.
Assembly according to claim 1, characterized in that it comprises a substantially cylindrical portion (40) of 8). (3) the control member (22) comprises a flange 34 extending from the cylindrical portion, the receiving means comprises an annular inner cheek portion of the opening 3B between the cylindrical portion (40) and the receiving means; 22)? further comprising abutment means for abutting a flange (34) extending from the body portion (32) of the control member (22) to retain the di portion (32) beneath the inner cheek portion. An assembly according to claim 2. (4) The inner tenor 4 portion comprises a frustoconical portion (44) adjacent to the holding means and an annular inwardly curved portion (46) between the frustoconical portion (44) and the cylindrical portion of the receiving means. Claim 3 In
The assembly described in. (5) The holding means includes a plurality of fingers (50) and a slot (52) formed between each of the fingers (50).
) The assembly according to claim 1, characterized in that it comprises: 7. An assembly according to claim 6, characterized in that a plurality of throwers (52) extend radially from said axis into the holding means at right angles to the lines of force. Three-dimensional. 8. An assembly according to claim 7, wherein each of the throwers (52) is disposed at an acute angle to the lines of force. +9) Four slots (52) are provided,
9. An assembly according to claim 8, each of which is disposed at an angle of approximately 45° to the lines of force. 11t) The slot (52) is connected to the terminal member (20
10. An assembly according to claim 6 or 9, characterized in that the assembly extends completely through the retaining means of the holder. 1111 The retaining means of the opening (38) comprises an inner surface with a cylindrical portion (54) Th adjacent to the receiving means and a frustoconical portion (56), between the cylindrical portion (54) and the frustoconical portion (56). the intermediate portion (58) of has a surface that slopes longitudinally inwardly toward the cylindrical portion (54) so as to form a circumferential edge between it and the cylindrical portion (54); An assembly according to claim 1, characterized in that: a3 that the retaining means comprises a lip (60) extending inwardly from said circumferential edge for engaging the gill pin (36) of the control member (22) necked in the aperture (38); 12. An assembly according to claim 11, characterized in that: tJ3 The terminal member (20) forms four throwers (52) in two outer fingers (50) arranged on the line of force and two intermediate fingers (50)' between the outer fingers. a lip (60) with each intermediate finger (50) extending from the circumferential edge into the opening (38);
Claim 1 characterized in that 'Ir is provided.
Assembly according to item 2. (I4) the terminal member (20) comprises a neck portion (64)'e having a substantially cylindrical hole (66) extending radially outwardly with respect to said axis and parallel to the lines of force; An assembly according to claim 1, characterized in that the rod is a rod (18) with its end (68) held in the hole (66) in a line parallel to the lines of force. The neck portion (64) extends in the length direction.
15. An assembly according to claim 14, characterized in that it is provided with: 4) on its outer surface.