CA1037833A - Device for connecting either one of two alternative operating members with an operated member - Google Patents
Device for connecting either one of two alternative operating members with an operated memberInfo
- Publication number
- CA1037833A CA1037833A CA265,287A CA265287A CA1037833A CA 1037833 A CA1037833 A CA 1037833A CA 265287 A CA265287 A CA 265287A CA 1037833 A CA1037833 A CA 1037833A
- Authority
- CA
- Canada
- Prior art keywords
- cam
- link arm
- engaging means
- arm
- operating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G11/00—Manually-actuated control mechanisms provided with two or more controlling members co-operating with one single controlled member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/21—Control means for engine or transmission, specially adapted for use on marine vessels
- B63H21/213—Levers or the like for controlling the engine or the transmission, e.g. single hand control levers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Flexible Shafts (AREA)
- Mechanical Control Devices (AREA)
- Transmission Devices (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A device for connecting either one of two alternative incoming Bowden cables with an outgoing Bowden cable has a frame with a cam plate. Two mirror-image cam curves each has a valley surrounded by higher cam portions. The incoming cables are connected to opposite ends of a link arm, the ends of which are also provided with cam-engaging rollers. The center of the link arm is via an intermediate link connected to a swing arm, the free end of which is connected to the outgoing cable. In neutral position, the link arm extends between the cam valleys.
When one of the incoming cables is operated, the associated cam engaging roller will climb out of its valley, thereby pushing the link arm towards the opposite cam curve so that the opposite cam engaging means engages its cam valley to form a pivot axis for the link arm. The intermediate arm transfers the pivoting movement to the swing arm and outgoing cable.
A device for connecting either one of two alternative incoming Bowden cables with an outgoing Bowden cable has a frame with a cam plate. Two mirror-image cam curves each has a valley surrounded by higher cam portions. The incoming cables are connected to opposite ends of a link arm, the ends of which are also provided with cam-engaging rollers. The center of the link arm is via an intermediate link connected to a swing arm, the free end of which is connected to the outgoing cable. In neutral position, the link arm extends between the cam valleys.
When one of the incoming cables is operated, the associated cam engaging roller will climb out of its valley, thereby pushing the link arm towards the opposite cam curve so that the opposite cam engaging means engages its cam valley to form a pivot axis for the link arm. The intermediate arm transfers the pivoting movement to the swing arm and outgoing cable.
Description
~' r~
~)37~3~3 -The present invention relates to a device for connecting either one of two alternative operating means~ each of which comprises an elongated incoming operating member wiih axial operating movement, to a means intended for operation which S likewise has an elongated axially movable outgoing operatin~
member, especially to couple either one of two gear shift control cables to an operating cable leading to the gear shift mechanism of a boat motor.
Certain motor boats are provided with two steering locations, and steering as well as control of the motor should ~ -be possible as desired from either location. Direct coupling between the two operating levers for the gear shift mechanism 1~- :
of a boat motor is not desirable, inter alia because when operating from one steering location, the other operating lever and its transmission mechanism must also be brought into motion, - -and additional frictional forces overcome, and this makes the operation difficult and inexact. The purpose of the invention is thus primarily to develop a change-over coupling device for motor boats with double steering locations, with the help of which device either one of two operating means is connected to the gear shift mechanism of the motor, while the remaining operating means is taken out of operation. The operating means usually comprise operating levers which are coupled to control wires or Bowden cables.l Thus the invention is primarily directed `
to a device for selective connection of either one of two similar cables with a third cable which leads to the gear shift mechanism. Alternatively, however, other transmission systems are conceivable, for example link mechanisms.
' ~r.~
!~
1~37833 The problem is solved according to the invention in that the device comprises a frame; that the incoming operating members are connected to individual end portions of a link arm which is pivotably and displaceably guided in its plane In the S frame; that the outgoing operating member is directly or indirectly pivotably connected to the central portion of the link arm; that both end portions of the link arm have cam engaging means disposed to cooperate with individual cams in the frame7 wherein said cams extend essentially transverse to .~
the longitudinal direction of the link arm and are shaped as -.
mirror images of one another and each has a valley surrounded -~
by higher cam curve portions; and that the distance between ~.
the cam engaging means of the link arm is so chosen in relation to the distance between the valleys of the cam curves and to their depth that either one, but not both, of the end portions of the link arm with associated cam engaging means can be swung .
out of the associated cam valley, while the cam en~aging means at the opposite end of the link arm engages the associated cam valley and forms the pivoting center of the link arm.
In a preferred embodiment of the device according to the .
invention the cam curve valleys are oriented with their bottoms pointing towards one another and are siutated in cam ridges pointing away from one another, and the portions of the link .:
arm's cam engaging means cooperating with the cams face one -~
another. I .~ .
According to an alternative embodiment of the invention the cam curve valleys have their bottoms pointed away from.one another and are siutated in cam curve denressions which point !".
'.''.", .' ' ':
'';''.''~ ' '
~)37~3~3 -The present invention relates to a device for connecting either one of two alternative operating means~ each of which comprises an elongated incoming operating member wiih axial operating movement, to a means intended for operation which S likewise has an elongated axially movable outgoing operatin~
member, especially to couple either one of two gear shift control cables to an operating cable leading to the gear shift mechanism of a boat motor.
Certain motor boats are provided with two steering locations, and steering as well as control of the motor should ~ -be possible as desired from either location. Direct coupling between the two operating levers for the gear shift mechanism 1~- :
of a boat motor is not desirable, inter alia because when operating from one steering location, the other operating lever and its transmission mechanism must also be brought into motion, - -and additional frictional forces overcome, and this makes the operation difficult and inexact. The purpose of the invention is thus primarily to develop a change-over coupling device for motor boats with double steering locations, with the help of which device either one of two operating means is connected to the gear shift mechanism of the motor, while the remaining operating means is taken out of operation. The operating means usually comprise operating levers which are coupled to control wires or Bowden cables.l Thus the invention is primarily directed `
to a device for selective connection of either one of two similar cables with a third cable which leads to the gear shift mechanism. Alternatively, however, other transmission systems are conceivable, for example link mechanisms.
' ~r.~
!~
1~37833 The problem is solved according to the invention in that the device comprises a frame; that the incoming operating members are connected to individual end portions of a link arm which is pivotably and displaceably guided in its plane In the S frame; that the outgoing operating member is directly or indirectly pivotably connected to the central portion of the link arm; that both end portions of the link arm have cam engaging means disposed to cooperate with individual cams in the frame7 wherein said cams extend essentially transverse to .~
the longitudinal direction of the link arm and are shaped as -.
mirror images of one another and each has a valley surrounded -~
by higher cam curve portions; and that the distance between ~.
the cam engaging means of the link arm is so chosen in relation to the distance between the valleys of the cam curves and to their depth that either one, but not both, of the end portions of the link arm with associated cam engaging means can be swung .
out of the associated cam valley, while the cam en~aging means at the opposite end of the link arm engages the associated cam valley and forms the pivoting center of the link arm.
In a preferred embodiment of the device according to the .
invention the cam curve valleys are oriented with their bottoms pointing towards one another and are siutated in cam ridges pointing away from one another, and the portions of the link .:
arm's cam engaging means cooperating with the cams face one -~
another. I .~ .
According to an alternative embodiment of the invention the cam curve valleys have their bottoms pointed away from.one another and are siutated in cam curve denressions which point !".
'.''.", .' ' ':
'';''.''~ ' '
-2~
:. . - : . . .: . .- . ~
~.0;~7833 away from one another~ the Dortions of .he link arm's cam engaging means cooperating with the cams facing away from one another.
The cams are preferabiy n~de in a ca~ plate ir. the frame which is parallel to the link arm. This simplifies the ~ -manufacture of cams and frame. According to a preferred embodi-ment the cams are formed of edge surfaces of openings in the plate and the cam engaging means are rollers pivotably connected to the link arm. Alternatively, the cams can be disposed as non-penetrating grooves in the plate. Cam engaging means in the form of slide surfaces 5 e.g. on feeler ~ins running in the cam grooves, can be used as alternatives to rotating rollers.
According to a preferred embodiment of the device the link arm is pivotably connected at its center portion to one end of an intermediate arm, the other end of which intermediate arm is pivotably connected to the center portion of a swing arm. One end portion of the swing arm is pivotably connected to the frame while the outgoing operating member is connected to the opposite end portion of the swing arm. With this arrangement that loss of movement which occurs in the operating movement in the first link arm, acting as a single-armed lever, is counteracted by the swing arm connected to the outgoing o~erating member, which likewise acts as a single-armed lever. Thus the operating move-ment of the outgoing operating cable can be made as great for the ingoing operating Icables.
A simple, inexpensive and a productively advantageous device according to the invention is characterized in that the frame is formed of a single cam plate; that one link arm is .: . , .: - . . : . , .
- :-,~, ~ 037833 ~isposed on each side of the plate; that the cam engaging means are disposed between the adjacent ends of the link arms; and that the plate is provided with attachment or guide means for ~ -the incoming and outgoing operating members. Thus the whole ~ - -S coupling device accordin~ to the invention is completelY for~ed of the single cam plate~ which is suitably provided with attach~
ment holes or other attachment means fGr attachment to the motor ~ ~
boat. If the device is to be mounted in the open it can be -provided with a case, which can be constructed independently of the function of the device. -. .
Alternatively, the device can be so constructed that the frame comprises two parallelly arranged cam plates with identical cam curves running in parallel, the link arm being - -located between the plates and having cam engaging means arranged on both sides to engage the cam curves of the adjacent plate. This device has fewer moving parts and can be made more ~5:. ~
rigid. ,- -Two embodiments of the invention are described below with reference to the accompanying drawings, in which Figs. 1, 2 and
:. . - : . . .: . .- . ~
~.0;~7833 away from one another~ the Dortions of .he link arm's cam engaging means cooperating with the cams facing away from one another.
The cams are preferabiy n~de in a ca~ plate ir. the frame which is parallel to the link arm. This simplifies the ~ -manufacture of cams and frame. According to a preferred embodi-ment the cams are formed of edge surfaces of openings in the plate and the cam engaging means are rollers pivotably connected to the link arm. Alternatively, the cams can be disposed as non-penetrating grooves in the plate. Cam engaging means in the form of slide surfaces 5 e.g. on feeler ~ins running in the cam grooves, can be used as alternatives to rotating rollers.
According to a preferred embodiment of the device the link arm is pivotably connected at its center portion to one end of an intermediate arm, the other end of which intermediate arm is pivotably connected to the center portion of a swing arm. One end portion of the swing arm is pivotably connected to the frame while the outgoing operating member is connected to the opposite end portion of the swing arm. With this arrangement that loss of movement which occurs in the operating movement in the first link arm, acting as a single-armed lever, is counteracted by the swing arm connected to the outgoing o~erating member, which likewise acts as a single-armed lever. Thus the operating move-ment of the outgoing operating cable can be made as great for the ingoing operating Icables.
A simple, inexpensive and a productively advantageous device according to the invention is characterized in that the frame is formed of a single cam plate; that one link arm is .: . , .: - . . : . , .
- :-,~, ~ 037833 ~isposed on each side of the plate; that the cam engaging means are disposed between the adjacent ends of the link arms; and that the plate is provided with attachment or guide means for ~ -the incoming and outgoing operating members. Thus the whole ~ - -S coupling device accordin~ to the invention is completelY for~ed of the single cam plate~ which is suitably provided with attach~
ment holes or other attachment means fGr attachment to the motor ~ ~
boat. If the device is to be mounted in the open it can be -provided with a case, which can be constructed independently of the function of the device. -. .
Alternatively, the device can be so constructed that the frame comprises two parallelly arranged cam plates with identical cam curves running in parallel, the link arm being - -located between the plates and having cam engaging means arranged on both sides to engage the cam curves of the adjacent plate. This device has fewer moving parts and can be made more ~5:. ~
rigid. ,- -Two embodiments of the invention are described below with reference to the accompanying drawings, in which Figs. 1, 2 and
3 show the coupling device according to a first example of the invention from the side~ above, and one end respectively; and Figs, 4 and S show a second embodiment of the invention viewed from the side and in section along the line V V in Fig. 4, -respectivley.
The device shown in Figs. 1-3 comprises a frame in the shape of an essentially rectangular plate 1, which from its ~ :
upper long side in Fig. 1 has a cut-out 2. Further, the plate has a central rectangular opening 3 and a substantially , .~: . .
~ -4- ~
,'~,~ '''` ', .. , . , . ~ . .. ,. , . ~ , .. . . . .
1037~33 ~:
rectangular opening 4 along its lower long side, which also has - a perpendicularly bent-out bottom part 5, which forms the base of the frame and is provided with holes 6 for attachment screws.
The right-hand portions, in the drawing, of the adjacent -~
S edges of the cut~out 2 and the opening 4 are shaped as cam curves 7 and 8, respectively. The cam curves 7~8 are shaped as mirror imæges of one another and each is form2d as a ridge 9 10, the top of which has a valley 11 and 12~ respectively. Two ~
link arms 13,14 are disposed parallel with one another on ;
either side of the cam ~late 1. Between each pair of adjacent -ends of the link arms 13~14 there is a wheel 15 and 16, respectively, journalled on an axle 17 and 18, respectively, which extends through appropriate holes in the ends of the link ~ - -arms 13,14. A fork-shaped wire attachment means 19 and 20, ~
respectively, is also pivotably journalled on the axle 17 and ~- - -18, respectively, by the axle extending through holes (not shown) in the legs of the wire attachment means~ which extend beside the outwardly facing side surfaces of the link arms 13~
14. One end of the axles 17,18 has a head 21 of larger diameter.
Through the opposite end of the axle 17,18 a cotter pin, 22 and 23 respectively, extends on the outward facing side of t~e leg of the respective wire attachment means. The wire attach~ent means 19j20 are ri~idly joined to the ends of individual cable cores 24 and 25 respectively (shown only schsmatically), which extend essentially parahlel to the long sides of the cam plate 1 towards its left-hand short side in Fig. 1. There, the sheaths 241,25' (likewise only schematically shown) of the cable cores 24~25 are attached to the cam Plate 1 with the aid of clamps 26 `ff and 27 respectively.
., 10378;~3 An axle 28 extends between the axles 17 and 18, parallel to the same, through link arms 13,14. The axle 28, as are axles 17 and 18, is provided with a head 29 and cotter pin 30. On the ..
axle 28 between the link arms 13 and 14, one end of an inter- :;
mediate arm 31 is journalled, said intermediate arm 31 lying in the plane of the cam plate 1 and being movzble in its opening 3. ~ .
The opposite end of the i.ntermediate arm 31 extends between two ~ -swing arms 32,33 disposed parallel . the cam plate 1 and is ~`
pivotably journalled on an axle 34 extending through a central hole (not shown) in the swing arms 32,33. This axle, as are the axles of the link arms 13~14S is provided with a head 35 and -.
cotter pin 36. ..
The swing arms 32 33, at their lower ends, are pivotably journalled on an axle 37~ which extends through the cam plate `~
and is held.in place axially by means of a head 38 and cotter ~ -. pin 39 on both outwardly facing sides of the swing arms 32,33. ~:-The swing arms 32,33 are provided, between the axles 34 and 37~
with portions 40 and 41 respectively, bent out from one another~ .. ;. .
forming an intermediate space, through which the cable core 25 -can run freely. The u~per ends of the swing arms 32,33 are also .i.~
bent out to form end portions 42 and 43, extending parallel at -a greater distance from one another, and which grip the outsides .
. ~ . , .
of the legs of a wire attachment member 44 of the same construc- . - -tion as the wire attachment members 19,20. The wire attachment member 44 is pivotably cornected to the swing arms 32,33 with the aid of a transverse axle 45 which, as are the other axles~ .
is axially held in place with the aid of a head 46 and cotter ..
pin 47. The wire attachment member 44 is rig.idly joined to the . .
'r~7 .,1 . , . ~
~ ' , -6- ~.
. ., lW7~33 end of a cable core 48 (shown only schematlcally)~ whose cable sheath 48' (also shown only schematically) is held fast to the cam plate 1 with the aid of a cla~p 49 screwed to the same~
- Cables 24,25 are the incoming o~erating ca~les an~ are connected to individual alternative gear shi~t controls in a motor boat. The operating cable 48 forms the outgoing cable, which is connected to the gear shift ~.echanism of the boat motor-The drawing shows the device in the state where both of the gear ~-shift controls are in the neutral position. Under the effect of ~ , gravity the link arms 13 and 14 and the parts connected theretohave droppe~ down until the uppwer wheel 15 rests against the bottom of cam curve valley 11. In this position the lower cam -' -ridge 10 forms an arc of a circle having the axle 17 as center. ~-Since the cam curves 7~8 are mirror images of one another, conversely~ the cam curve ridge 9 is an arc of a circle with its center in the center of the axle 18 when the wheel 16 rests against the bottom of cam valley 12. The radiuS of the arcs 9~10 is designated by R in Fig. 1. This radius R is to be less than ;~
the distance between tne center line of the axle 17 (18) and the nearest part of the wheel 16 (t5) on the opposing end of the link arm~ so that said wheel can swing over the cam ridge 10 (9).
At the same time the greatest disLance A between facing parts of the cam shall be greater than the distance B between the most closely lying parts of the wheels 15,16. This prevents both -~
wheels from leaving their cam valleys 11,12 at the same time.
If the device is in the neutral position shown in Fig. 1 and cable core 25 is pulled out from the device to the left in Fig. 1~ the lower ends of Lhe link arms 13~14 with the wheel 16 ~ -. . .
1037~33 will pivot clockwise around the axle 17, and the wheel 16 will run over the left-hand portion of the cam ridge 10. This also displaces the intermediate arm 31 to the left in the opening 3 -which will in turn pivot the swing arms 32,33 counter-clockwise around the axle 37. This also gives the cable core 48 an operating movement directed to the left, which acts on the gear shift mech~nism of the mator, for example for engaging the ~ -forward gear. The link arms 13,14 and the swing arms 32,33 act as single-armed levers which are connected b~ tlie intermediate arm 31. Thus the operating movement of the incoming cable is transferred to the outgoing cable while ma;ntaining the direction.
The ratio between the sizes of the operating movements can be chosen by the selection of lever lengths for the link arms 13,14 and the swing arms 32~33. ~ ;
If the operating movement on the cable core 25 is directed in the opposite di~ection, to the right in Fig. 1, the link arms 13,14 are displaced counter-clockwise around the axle ~-17 so that the wheel 16 runs over the right hand cam ridge 10. ;
This movement is transferred via the intermediate arm 31 to the swing arms 32,33 so that the cable core 48 is also displaced to the right; thereby engaging the reverse gear.
If the operating movement is made on cable core 24 7 the wheel 15 will roll from the position shown in Fig. 1 up one or ~
the other side of the cam valley 11 depending on the direction )! `
of the operating movement. This pulls the link arms 13,14 upwards until the lower wheel 16 engages agail.st the bottom of cam valley 12. As the operating movement continues, the wheel 15 is moved out over one part or the other of the cam ridge 9, , '; ~:' .
; ~., ~ .
~ -8-" ' ~' , :
~0;~7~;~3 thereby pivoting the link arms 13,14. This movement is trans-ferred in the manner de~cribed above by the intermediate arm 31 and the swing arms 32,33 to the outgoing operating cable 48. In -this case also the operating movement in this cable will be in the same direction as the incoming operating movement, due to ~the fact that the center of rotation for the link arms 13,14 has ~-been shifted from the upper to the lower end of the link arms.
Figs. 4 and 5 show a second embodiment of tne invention.
Parts which directly correspond to ~igs. 1-3 have retained the -same reference numerals here. The change-over coupling device according to Figs. 4,5 differs from that according to Figs. 1-3 primarily in that it is constructed of two parallelly arranged cam plates and in that the cam curves face away from one another.
A first cam plate 50 has a foot 51 bent out at right angles for - -attaching the coupling de~ice in a boat~ for example. A second cam plate 52, arranged parallel to cam plate 50, is attached to ~ -plate 50 at a distance from the same with the aid of spacing -~x means (not shown) and posts 53 as well as axle 37. The cam plates 50,52 are each provided with two openings 55,56 and 57,58 respectively. The openings in the two plates are identical w~th one another and are aligned with one another. Furthermore, th~
upper openings 55,57 are shaped as mirror images of the lower openings 56,58. The edges of the upper and lower openings facing away from one another are shaped as cam curves 59 and 60. Each cam curve is shaped as a comparatively shallow depression 61,62 in the middle of which there is a definite cam valley 63,64.
A link arm 65 is disposed between the cam plates 50,52 at the openings 55-58. A penetrating tube 66 and 57 respectively is ,~ _9 _ f~
1037~33 attached to both ends of the link arm 65, whic11 tube extends in both directions from the link arm G5 through the openings 55,57 ~`
and 56~58~ respectively5 of the cam plates 50~52. In the neutral po~ition shown in the drawing the iower tube 67 rests in the lower cam valleys 64.
In its middle the link arm 65 is pivotably connected via -!': ---the axle 28 to two paralle1ly disposed intermediate arms 31,31', ; -the other ends of which are in turn pivotably connected via the - ~
axle 34 to the center point of two swing arms 32,33 parallelly ` ~ -disposed to one another. The swing arms 32,33 are pivotable around the axle 37 and are located next to the outwardly facing side surfaces of the cam rlates 50,52. The axle 34 extends `
through an opening 6~ in the càm plate 50. The right hand portion of the cam plate S2 is cut away to allow free movement of the axle 34.
The two inComing opcrating cables 24~24' and 25,25' are --connected (not shown in more detail here) with individual ends of the link arm 65 while the outgoing operating cable 48,48' is connected to the upper end of the swing arms 32~33.
In this case also~ the cams and the cam engaging means, in this case in the form of tubes, are dimensioned so that when a tube rests in the associated cam valley the opposite tube can be freely displaced out of its associated cam valleys, while ~;
simultaneous displacement of both tubes from associated cam valleys is prevented. ~n the neutral positio~ of the device as ~;
shown in the drawing the tube 67 rests in the cam valleys 64, ;~
so that the tube 66 via an operating movement of the cable-24 -' can be freely swung out over the associated cam valleys 61.
.`.^ :~ ..
' ~ -10-~
,..~
1037~;~3 Lin~c arm 65 is then pivoted and its movement is trans*erred in the manner described ahove to the swing arms 32~33 and the outgoing cable 48. If the oPerating movement is instead imparted to the cable 25 the tube 67 will slide up the sides of the S associated cam valleys 64, displacing the link arm 65 upwards until the upper tube G6 eng~ges the bottoms of cam valleys 63.
Continued operating moveme~t of the cable 25 causes the link arm 65 to rotate so that the tube 67 slides over the right-hand or left-hand cam depressions 62. In this case also the operating movement of the operating cable 25 is transferred to the out-going cable 48 while maintaining the direction.
As in the embodiment according to Figso 1-3 the cams are *
shaped as arcs of a circle, the center points of which coincide with the axis of the cam engaging means resting in the opposite cam valley. This prevents the cam engaging means (~heel or tube) forming the center of rotation from falling out of the associated cam valley. The better the fitting is of these parts, the less play there will be in the transference of the operating movement.
In both of the embodiments the cable arrangement has been shown so that the two incoming cables enter one short side of the device while the outgoing cable is connected to the opposite short side of the device. ~epending on how the change-over coupling device is to be installed, the incoming and outgoing cables can~ however, hle connected on the same short side of the frame, whereby the incoming and outgoing operating movements will have OppOsite dir~ctions; or the incoming operating cables can be connected to individual short sides of the frame in '' -,':
, ~.....
~, . :;
~0378~3 which case the operating means of t~le incomin~ cable located on the same side as the outgoin~ ca~le should have reversed wor]cing direction~ for example in the form of a gear shift control with inverted inner functioningO -S The change-over coupiing device is suitably placed relatively close to the motor so that the cable to the motor is shorter than the czbles to the operating leversO In this way there is greater frictional resistance to the movement of the incoming cables than to the outgoing~ thereby guaranteeing that the GUtgoing cable actua1ly performs the desired operating movement and prevents the arm 13 or 65 from merely pivoting around the axle 28 and possibly jammin~ without affecting the outgoin~ cable.
., ~
:; '' , ' :, ' ~ ~ ,.
.'`' . ~'- '.
;~''':.~ '.' '" , ~''' '' ' !.': :
. . .
,'" ' ' .`.~ ' ., ~ . . , .
-12- .
.': .
~: . , ~ . , ~ ' : ': - , ,, , : ' . '
The device shown in Figs. 1-3 comprises a frame in the shape of an essentially rectangular plate 1, which from its ~ :
upper long side in Fig. 1 has a cut-out 2. Further, the plate has a central rectangular opening 3 and a substantially , .~: . .
~ -4- ~
,'~,~ '''` ', .. , . , . ~ . .. ,. , . ~ , .. . . . .
1037~33 ~:
rectangular opening 4 along its lower long side, which also has - a perpendicularly bent-out bottom part 5, which forms the base of the frame and is provided with holes 6 for attachment screws.
The right-hand portions, in the drawing, of the adjacent -~
S edges of the cut~out 2 and the opening 4 are shaped as cam curves 7 and 8, respectively. The cam curves 7~8 are shaped as mirror imæges of one another and each is form2d as a ridge 9 10, the top of which has a valley 11 and 12~ respectively. Two ~
link arms 13,14 are disposed parallel with one another on ;
either side of the cam ~late 1. Between each pair of adjacent -ends of the link arms 13~14 there is a wheel 15 and 16, respectively, journalled on an axle 17 and 18, respectively, which extends through appropriate holes in the ends of the link ~ - -arms 13,14. A fork-shaped wire attachment means 19 and 20, ~
respectively, is also pivotably journalled on the axle 17 and ~- - -18, respectively, by the axle extending through holes (not shown) in the legs of the wire attachment means~ which extend beside the outwardly facing side surfaces of the link arms 13~
14. One end of the axles 17,18 has a head 21 of larger diameter.
Through the opposite end of the axle 17,18 a cotter pin, 22 and 23 respectively, extends on the outward facing side of t~e leg of the respective wire attachment means. The wire attach~ent means 19j20 are ri~idly joined to the ends of individual cable cores 24 and 25 respectively (shown only schsmatically), which extend essentially parahlel to the long sides of the cam plate 1 towards its left-hand short side in Fig. 1. There, the sheaths 241,25' (likewise only schematically shown) of the cable cores 24~25 are attached to the cam Plate 1 with the aid of clamps 26 `ff and 27 respectively.
., 10378;~3 An axle 28 extends between the axles 17 and 18, parallel to the same, through link arms 13,14. The axle 28, as are axles 17 and 18, is provided with a head 29 and cotter pin 30. On the ..
axle 28 between the link arms 13 and 14, one end of an inter- :;
mediate arm 31 is journalled, said intermediate arm 31 lying in the plane of the cam plate 1 and being movzble in its opening 3. ~ .
The opposite end of the i.ntermediate arm 31 extends between two ~ -swing arms 32,33 disposed parallel . the cam plate 1 and is ~`
pivotably journalled on an axle 34 extending through a central hole (not shown) in the swing arms 32,33. This axle, as are the axles of the link arms 13~14S is provided with a head 35 and -.
cotter pin 36. ..
The swing arms 32 33, at their lower ends, are pivotably journalled on an axle 37~ which extends through the cam plate `~
and is held.in place axially by means of a head 38 and cotter ~ -. pin 39 on both outwardly facing sides of the swing arms 32,33. ~:-The swing arms 32,33 are provided, between the axles 34 and 37~
with portions 40 and 41 respectively, bent out from one another~ .. ;. .
forming an intermediate space, through which the cable core 25 -can run freely. The u~per ends of the swing arms 32,33 are also .i.~
bent out to form end portions 42 and 43, extending parallel at -a greater distance from one another, and which grip the outsides .
. ~ . , .
of the legs of a wire attachment member 44 of the same construc- . - -tion as the wire attachment members 19,20. The wire attachment member 44 is pivotably cornected to the swing arms 32,33 with the aid of a transverse axle 45 which, as are the other axles~ .
is axially held in place with the aid of a head 46 and cotter ..
pin 47. The wire attachment member 44 is rig.idly joined to the . .
'r~7 .,1 . , . ~
~ ' , -6- ~.
. ., lW7~33 end of a cable core 48 (shown only schematlcally)~ whose cable sheath 48' (also shown only schematically) is held fast to the cam plate 1 with the aid of a cla~p 49 screwed to the same~
- Cables 24,25 are the incoming o~erating ca~les an~ are connected to individual alternative gear shi~t controls in a motor boat. The operating cable 48 forms the outgoing cable, which is connected to the gear shift ~.echanism of the boat motor-The drawing shows the device in the state where both of the gear ~-shift controls are in the neutral position. Under the effect of ~ , gravity the link arms 13 and 14 and the parts connected theretohave droppe~ down until the uppwer wheel 15 rests against the bottom of cam curve valley 11. In this position the lower cam -' -ridge 10 forms an arc of a circle having the axle 17 as center. ~-Since the cam curves 7~8 are mirror images of one another, conversely~ the cam curve ridge 9 is an arc of a circle with its center in the center of the axle 18 when the wheel 16 rests against the bottom of cam valley 12. The radiuS of the arcs 9~10 is designated by R in Fig. 1. This radius R is to be less than ;~
the distance between tne center line of the axle 17 (18) and the nearest part of the wheel 16 (t5) on the opposing end of the link arm~ so that said wheel can swing over the cam ridge 10 (9).
At the same time the greatest disLance A between facing parts of the cam shall be greater than the distance B between the most closely lying parts of the wheels 15,16. This prevents both -~
wheels from leaving their cam valleys 11,12 at the same time.
If the device is in the neutral position shown in Fig. 1 and cable core 25 is pulled out from the device to the left in Fig. 1~ the lower ends of Lhe link arms 13~14 with the wheel 16 ~ -. . .
1037~33 will pivot clockwise around the axle 17, and the wheel 16 will run over the left-hand portion of the cam ridge 10. This also displaces the intermediate arm 31 to the left in the opening 3 -which will in turn pivot the swing arms 32,33 counter-clockwise around the axle 37. This also gives the cable core 48 an operating movement directed to the left, which acts on the gear shift mech~nism of the mator, for example for engaging the ~ -forward gear. The link arms 13,14 and the swing arms 32,33 act as single-armed levers which are connected b~ tlie intermediate arm 31. Thus the operating movement of the incoming cable is transferred to the outgoing cable while ma;ntaining the direction.
The ratio between the sizes of the operating movements can be chosen by the selection of lever lengths for the link arms 13,14 and the swing arms 32~33. ~ ;
If the operating movement on the cable core 25 is directed in the opposite di~ection, to the right in Fig. 1, the link arms 13,14 are displaced counter-clockwise around the axle ~-17 so that the wheel 16 runs over the right hand cam ridge 10. ;
This movement is transferred via the intermediate arm 31 to the swing arms 32,33 so that the cable core 48 is also displaced to the right; thereby engaging the reverse gear.
If the operating movement is made on cable core 24 7 the wheel 15 will roll from the position shown in Fig. 1 up one or ~
the other side of the cam valley 11 depending on the direction )! `
of the operating movement. This pulls the link arms 13,14 upwards until the lower wheel 16 engages agail.st the bottom of cam valley 12. As the operating movement continues, the wheel 15 is moved out over one part or the other of the cam ridge 9, , '; ~:' .
; ~., ~ .
~ -8-" ' ~' , :
~0;~7~;~3 thereby pivoting the link arms 13,14. This movement is trans-ferred in the manner de~cribed above by the intermediate arm 31 and the swing arms 32,33 to the outgoing operating cable 48. In -this case also the operating movement in this cable will be in the same direction as the incoming operating movement, due to ~the fact that the center of rotation for the link arms 13,14 has ~-been shifted from the upper to the lower end of the link arms.
Figs. 4 and 5 show a second embodiment of tne invention.
Parts which directly correspond to ~igs. 1-3 have retained the -same reference numerals here. The change-over coupling device according to Figs. 4,5 differs from that according to Figs. 1-3 primarily in that it is constructed of two parallelly arranged cam plates and in that the cam curves face away from one another.
A first cam plate 50 has a foot 51 bent out at right angles for - -attaching the coupling de~ice in a boat~ for example. A second cam plate 52, arranged parallel to cam plate 50, is attached to ~ -plate 50 at a distance from the same with the aid of spacing -~x means (not shown) and posts 53 as well as axle 37. The cam plates 50,52 are each provided with two openings 55,56 and 57,58 respectively. The openings in the two plates are identical w~th one another and are aligned with one another. Furthermore, th~
upper openings 55,57 are shaped as mirror images of the lower openings 56,58. The edges of the upper and lower openings facing away from one another are shaped as cam curves 59 and 60. Each cam curve is shaped as a comparatively shallow depression 61,62 in the middle of which there is a definite cam valley 63,64.
A link arm 65 is disposed between the cam plates 50,52 at the openings 55-58. A penetrating tube 66 and 57 respectively is ,~ _9 _ f~
1037~33 attached to both ends of the link arm 65, whic11 tube extends in both directions from the link arm G5 through the openings 55,57 ~`
and 56~58~ respectively5 of the cam plates 50~52. In the neutral po~ition shown in the drawing the iower tube 67 rests in the lower cam valleys 64.
In its middle the link arm 65 is pivotably connected via -!': ---the axle 28 to two paralle1ly disposed intermediate arms 31,31', ; -the other ends of which are in turn pivotably connected via the - ~
axle 34 to the center point of two swing arms 32,33 parallelly ` ~ -disposed to one another. The swing arms 32,33 are pivotable around the axle 37 and are located next to the outwardly facing side surfaces of the cam rlates 50,52. The axle 34 extends `
through an opening 6~ in the càm plate 50. The right hand portion of the cam plate S2 is cut away to allow free movement of the axle 34.
The two inComing opcrating cables 24~24' and 25,25' are --connected (not shown in more detail here) with individual ends of the link arm 65 while the outgoing operating cable 48,48' is connected to the upper end of the swing arms 32~33.
In this case also~ the cams and the cam engaging means, in this case in the form of tubes, are dimensioned so that when a tube rests in the associated cam valley the opposite tube can be freely displaced out of its associated cam valleys, while ~;
simultaneous displacement of both tubes from associated cam valleys is prevented. ~n the neutral positio~ of the device as ~;
shown in the drawing the tube 67 rests in the cam valleys 64, ;~
so that the tube 66 via an operating movement of the cable-24 -' can be freely swung out over the associated cam valleys 61.
.`.^ :~ ..
' ~ -10-~
,..~
1037~;~3 Lin~c arm 65 is then pivoted and its movement is trans*erred in the manner described ahove to the swing arms 32~33 and the outgoing cable 48. If the oPerating movement is instead imparted to the cable 25 the tube 67 will slide up the sides of the S associated cam valleys 64, displacing the link arm 65 upwards until the upper tube G6 eng~ges the bottoms of cam valleys 63.
Continued operating moveme~t of the cable 25 causes the link arm 65 to rotate so that the tube 67 slides over the right-hand or left-hand cam depressions 62. In this case also the operating movement of the operating cable 25 is transferred to the out-going cable 48 while maintaining the direction.
As in the embodiment according to Figso 1-3 the cams are *
shaped as arcs of a circle, the center points of which coincide with the axis of the cam engaging means resting in the opposite cam valley. This prevents the cam engaging means (~heel or tube) forming the center of rotation from falling out of the associated cam valley. The better the fitting is of these parts, the less play there will be in the transference of the operating movement.
In both of the embodiments the cable arrangement has been shown so that the two incoming cables enter one short side of the device while the outgoing cable is connected to the opposite short side of the device. ~epending on how the change-over coupling device is to be installed, the incoming and outgoing cables can~ however, hle connected on the same short side of the frame, whereby the incoming and outgoing operating movements will have OppOsite dir~ctions; or the incoming operating cables can be connected to individual short sides of the frame in '' -,':
, ~.....
~, . :;
~0378~3 which case the operating means of t~le incomin~ cable located on the same side as the outgoin~ ca~le should have reversed wor]cing direction~ for example in the form of a gear shift control with inverted inner functioningO -S The change-over coupiing device is suitably placed relatively close to the motor so that the cable to the motor is shorter than the czbles to the operating leversO In this way there is greater frictional resistance to the movement of the incoming cables than to the outgoing~ thereby guaranteeing that the GUtgoing cable actua1ly performs the desired operating movement and prevents the arm 13 or 65 from merely pivoting around the axle 28 and possibly jammin~ without affecting the outgoin~ cable.
., ~
:; '' , ' :, ' ~ ~ ,.
.'`' . ~'- '.
;~''':.~ '.' '" , ~''' '' ' !.': :
. . .
,'" ' ' .`.~ ' ., ~ . . , .
-12- .
.': .
~: . , ~ . , ~ ' : ': - , ,, , : ' . '
Claims (10)
1.- A device for connecting either one of two alternative operating means, each of which comprises an elongated incoming operating member with axial operating movement, to a means intended for operation which likewise has an elongated axially movable outgoing operating member, especially to couple either one of two gear shift control cables to an operating cable leading to the gear shift mechanism of a boat motor, character-ized in that the device comprises a frame; that the incoming operating members are connected to individual end portions of a link arm which is pivotably and displaceably guided in its plane in the frame; that the outgoing operating member is directly or indirectly pivotably connected to the central portion of the link arm; that both end portions of the link arm have cam engaging means disposed to cooperate with individual cams in the frame, which cams extend essentially transverse to the longitudinal direction of the link arm and are shaped as mirror images of one another and each has a valley surrounded by higher cam curve portions; and that the distance between the cam engaging means of the link arm is so chosen in relation to the distance between the valleys of the cam curves and to their depth that either one, but not both, of the end portions of the link arm with associated cam engaging means can be swung out of the associated cam valley while the cam engaging means at the opposite end of the link arm engages the associated cam valley and forms the pivoting center of the link arm.
2. Device according to claim 1, characterized in that the cam valleys have their bottoms pointing towards one another and are situated in cam ridges pointing away from one another; and that the portions of the link arm's cam engaging means, which interact with the cams, face one another.
3. Device according to claim 1, characterized in that the bottoms of the cam valleys face away from one another and said cam valleys are situated in cam depressions facing away from one another; and that the portions of the link arm's cam engaging means, which interact with the cams, face away from one another.
4. Device according to claim 1, characterized in that the cams are made in a cam plate which forms part of the frame and is parallel to the link arm.
5. Device according to claim 4, characterized in that the cams are formed of edge surfaces of openings in the plate; and that the cam engaging means are wheels pivotably connected to the link arm.
6. Device according to claim 1, characterized in that the link arm is pivotably connected at its central portion with one end of an intermediate arm, the end of which is pivotably connected to the central portion of a swing arm; that one end portion of the swing arm is pivotably connected with the frame; and that the outgoing operating member is connected to the opposite end portion of the swing arm.
7. Device according to any one of claims 4-6, characterized in that the frame is formed of a single cam plate; that one link arm is arranged on each side of the plate; that cam engaging means are arranged between the adjacent ends of the link arms; and that the plate is provided with attachment or guide means for the incoming and outgoing operating members.
8. Device according to any one of claims 4-6, characterized in that the frame comprises two parallelly arranged cam plates with identical cams running in parallel; and that the link arm is located between the plates and has on each side cam engaging means disposed to cooperate with the cams of the adjacent plate.
9. Device according to any one of claims 4-6, characterized in that the cam curves have the shape of arcs of a circle whose center point coincides with the center line of the cam engaging means forming the pivot axis at the opposite cam when said cam engaging means rests in the associated cam valley.
10. Device according to any one of claims 4-6, characterized in that the frame is so located, preferably close to the motor, that the frictional resistance in the outgoing operating cable is less than in the incoming operating cables.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7512576A SE406236B (en) | 1975-11-10 | 1975-11-10 | DEVICE FOR CONNECTING EITHER OF TWO ALTERNATIVE OPERATORS TO ONE MANUFACTURING INTENDED BODY |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1037833A true CA1037833A (en) | 1978-09-05 |
Family
ID=20326029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA265,287A Expired CA1037833A (en) | 1975-11-10 | 1976-11-09 | Device for connecting either one of two alternative operating members with an operated member |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5948409B2 (en) |
| AU (1) | AU509424B2 (en) |
| CA (1) | CA1037833A (en) |
| DE (1) | DE2651134A1 (en) |
| FR (1) | FR2331092A1 (en) |
| GB (1) | GB1528260A (en) |
| IT (1) | IT1074956B (en) |
| SE (1) | SE406236B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433591A (en) * | 1981-11-16 | 1984-02-28 | Eaton Corporation | Remote control system |
| JPS6475809A (en) * | 1987-09-14 | 1989-03-22 | Sanki Eng Co Ltd | Fluidized bed type waste incinerating device |
| DE4426865C2 (en) * | 1994-07-28 | 1996-09-26 | Daimler Benz Aerospace Airbus | Actuator for a push / push remote control |
| DE19626178C2 (en) * | 1996-06-29 | 1998-07-30 | Daimler Benz Aerospace Airbus | Actuator for actuating an actuator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2702615A (en) * | 1951-06-15 | 1955-02-22 | John F Morse | Dual control for marine craft |
| GB803949A (en) * | 1955-10-14 | 1958-11-05 | Trico Folberth Ltd | Improvements in mechanical control mechanisms |
| US3128738A (en) * | 1963-03-27 | 1964-04-14 | Marmac Products Inc | Dual station steering mechanism |
| US3651709A (en) * | 1970-06-04 | 1972-03-28 | Outboard Marine Corp | Dual station binnacle control |
-
1975
- 1975-11-10 SE SE7512576A patent/SE406236B/en unknown
-
1976
- 1976-11-09 JP JP51134595A patent/JPS5948409B2/en not_active Expired
- 1976-11-09 GB GB46496/76A patent/GB1528260A/en not_active Expired
- 1976-11-09 CA CA265,287A patent/CA1037833A/en not_active Expired
- 1976-11-09 FR FR7633795A patent/FR2331092A1/en active Granted
- 1976-11-09 IT IT52099/76A patent/IT1074956B/en active
- 1976-11-09 DE DE19762651134 patent/DE2651134A1/en not_active Ceased
- 1976-11-12 AU AU19571/76A patent/AU509424B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2651134A1 (en) | 1977-05-18 |
| GB1528260A (en) | 1978-10-11 |
| IT1074956B (en) | 1985-04-22 |
| SE7512576L (en) | 1977-05-11 |
| SE406236B (en) | 1979-01-29 |
| FR2331092A1 (en) | 1977-06-03 |
| JPS5324987A (en) | 1978-03-08 |
| FR2331092B1 (en) | 1983-01-28 |
| JPS5948409B2 (en) | 1984-11-26 |
| AU509424B2 (en) | 1980-05-15 |
| AU1957176A (en) | 1978-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4328712A (en) | Lockout for gimbal-type automotive transmission gear shifter | |
| EP0575658B1 (en) | Shift system having a manual speed selecting mechanism for a vehicular automatic transmission | |
| US4660443A (en) | Transmission selector lever assembly | |
| US4583417A (en) | Two-cable shifting mechanism for transmissions | |
| CA1097190A (en) | Differential and push-pull control system | |
| US7654170B2 (en) | Centering spring apparatus for a transmission shift control mechanism | |
| US4850238A (en) | Shiftlever mechanism for an automatic transmission | |
| US5129278A (en) | Transmission operating device | |
| JP3497473B2 (en) | Switching device for automobile transmission | |
| US7469610B2 (en) | Reverse and park inhibitor apparatus in a transmission control mechanism | |
| CA1037833A (en) | Device for connecting either one of two alternative operating members with an operated member | |
| US6443024B1 (en) | Control device | |
| US4085833A (en) | Hydrostatic transmission control | |
| US5144854A (en) | Transmission shift control reverse inhibitor apparatus | |
| GB2136896A (en) | Gear shift selecting mechanism | |
| JPH1029443A (en) | Gearshift device for automatic transmission | |
| US6866022B1 (en) | Throttle control handle with reduced required shifting force | |
| KR20010015886A (en) | Manoeuvering device | |
| US5775165A (en) | Transmission shift control detent mechanism | |
| US4088038A (en) | Device for connecting either one of two alternative operating members with an operated member | |
| JPS6039355Y2 (en) | Marine engine control device | |
| US4781074A (en) | Shifter | |
| EP0068654B1 (en) | Self-tensioning motor transmission control system | |
| WO1999067553A1 (en) | Control device | |
| US4215771A (en) | Single lever control system |