Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
  • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
  • B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
  • B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
  • B62K23/00—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
  • B62K23/02—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips hand actuated
  • B62K23/06—Levers

Definitions

• the present invention relates generally to bicycle shifters, and more particularly, is directed to a shift lever arrangement for a bicycle using a single lever movable along two orthogonal axes for shifting in different
• shifters for bicycles have been mounted on the handlebar, separate and apart from the brake levers.
• U.S. Patent No. 5,921,138 to Kojima et al discloses a first lever that is linearly movable for shifting in a first direction and a separate second lever that is pivotally movable in a second different direction for shifting in an opposite direction.
• this requires two different levers, even though the tactile sensations are different.
• U.S. Patent No. 7,527,137 issued May 5, 2009 to the same inventor herein, discloses a single lever that effects a braking operation and a gear shifting operation.
• a rod moves inside the shift lever in the linear direction, but also requires pivoting movement thereafter of the shift lever, in order to effect a shifting operation.
• a push button is depressed.
• a camming surface in the shift lever engages a roller wheel to push a plunger rod in the shift lever up against the force of a linear coil spring associated therewith.
• the flat upper surface of the plunger rod engages the free engagement end of a cable carrier pawl 100. Then, with the push button still
• a gear shift arrangement for a bicycle that is separate and distinct from a brake lever of the bicycle, the bicycle having a derailleur and a derailleur cable
• the gear shift arrangement includes a single lever adapted to only perform a shifting operation of gears of the bicycle, a housing, a mounting arrangement in the housing for mounting the single lever for movement in a first pivoting direction and for movement in a second substantially linear direction, and a shift control
• the shift control mechanism includes a pulley rotatably mounted in the housing and around which the cable extends, and an actuating arrangement connected between the mounting arrangement and the pulley for controlling rotation of the pulley to either pull or release the cable in dependence upon movement of the shift lever.
• the pulley includes a plurality of sets of gear teeth therearound, and the
• actuating arrangement includes a plurality of pawls for engaging the gear teeth in dependence upon movement of the shift lever.
• the actuating arrangement For pulling the cable, the actuating arrangement includes a rotatable element rotatably mounted in the housing and adapted to be rotated from an initial position to a first rotated position by the mounting arrangement upon movement of the single lever in the first pivoting
• An advance pawl as one of the pawls is pivotally mounted on the rotatable element, and an advance pawl spring biases the advance pawl into engagement with a first the set of gear teeth on the pulley to rotate the pulley to the first rotated position to pull the cable, wherein the advance pawl is configured so that the advance pawl is adapted to engage and rotate the pulley only in a direction to pull the cable.
• the actuating arrangement also includes a rotatable element spring for rotationally biasing the rotatable element to the initial position.
• a main pawl as one of the pawls is pivotally mounted to the housing for holding the pulley in the first rotated position when the shift lever is released and when the rotatable element and the advance pawl are rotated back to the initial position by the rotatable element spring, and a main pawl spring biases the main pawl into engagement with a second the set of gear teeth on the pulley .
• the mounting arrangement includes a slide mounted in the housing and connected with the shift lever for
• the slide is adapted to be moved in the housing for substantially linear sliding movement from the initial position to a first linear slid position, upon movement of the single lever in the substantially linear direction.
• the actuating arrangement further includes a substantially linear biasing arrangement for biasing the slide to the initial position.
• a hold pawl as one of the pawls is pivotally mounted to the housing for permitting an
• a pawl biasing arrangement on the slide biases the hold pawl into engagement with a third the set of gear teeth on the pulley upon movement of the single lever in the substantially linear direction to the first linear slid position in order to effect the incremental rotational movement of the pulley.
• the pawl biasing arrangement includes a raised abutment that engages an end of the hold pawl upon movement of the single lever and slide in the substantially linear direction to the first linear slid position to bias the hold pawl into engagement with the third the set of gear teeth and to bias the main pawl out of engagement with the second set of gear teeth.
• the third set of gear teeth have a pitch greater than a width of the hold pawl to permit an incremental rotation of the pulley when the hold pawl is initially engaged therein, in a direction to release the cable.
• the hold pawl Upon return of the shift lever and slide to the initial position, the hold pawl is no longer biased into engagement with the third set of gear teeth by the pawl biasing arrangement, and the main pawl is biased into engagement by the main pawl spring with the second set of gear teeth to hold the pulley in an incrementally rotated cable release position.
• the actuating arrangement also includes a holding arrangement for holding the advance pawl out of engagement with the first gear teeth during movement of the single lever in the substantially linear direction.
• Fig. 1 is a perspective view of one side of the shifter according to the present invention mounted on a handlebar;
• Fig. 2 is a perspective view of the other one side of the shifter according to the present invention mounted on a handlebar;
• Fig. 3 is a perspective view of Fig. 1 with the second half housing shell removed;
• Fig. 4 is a perspective view of Fig. 1 with the second half housing shell, triple gear pulley and post sleeve removed;
• Fig. 5 is an exploded view of the shifter according to the present invention.
• Fig. 6 is an outer perspective view of the first half housing shell
• Fig. 7 is an inner perspective view of the first half housing shell
• Fig. 8 is an inner plan view of the first half housing shell ;
• Fig. 9 is a top outer perspective view of the second half housing shell
• Fig. 10 is a bottom outer perspective view of the second half housing shell
• Fig. 11 is a left side outer perspective view of the second half housing shell
• Fig. 12 is a left side inner perspective view of the second half housing shell
• Fig. 13 is a right side inner perspective view of the second half housing shell
• Fig. 14 is a plan view of the inner facing side of the second half housing shell
• Fig. 15 is an outside perspective view of the slide
• Fig. 16 is an inside perspective view of the slide
• Fig. 17 is an outside plan view of Fig. 13;
• Fig. 18 is an inside plan view of Fig. 14;
• Fig. 19 is a perspective view of the shift lever
• Fig. 20 is a perspective view of the inner facing side of the post sleeve
• Fig. 21 is a perspective view of the outer facing side of the post sleeve
• Fig. 22 is a perspective view of the shift lever return spring
• Fig. 23 is a perspective view of the inner facing side of the triple gear pulley
• Fig. 24 is a perspective view of the outer facing side of the triple gear pulley
• Fig. 25 is an elevational view of the inner facing side of the triple gear pulley
• Fig. 26 is an elevational view of the outer facing side of the triple gear pulley
• Fig. 27 is an elevational view of the right side of the triple gear pulley
• Fig. 28 is an elevational view of the left side of the triple gear pulley
• Fig. 29 is a perspective view of the gear return spring
• Fig. 30 is a perspective view of the inner facing side of the pawl flange
• Fig. 31 is a perspective view of the outer facing side of the pawl flange
• Fig. 32 is a perspective view of the inner facing side of the hold pawl
• Fig. 33 is a perspective view of the outer facing side of the hold pawl
• Fig. 34 is a perspective view of the main pawl
• Fig. 35 is a perspective view of the main pawl spring
• Fig. 36 is a perspective view of the inner facing side of the advance pawl
• Fig. 37 is a perspective view of the outer facing side of the advance pawl
• Fig. 38 is a perspective view of the advance pawl spring
• Fig. 39 is a perspective view of the advance pawl retaining ring;
• Fig. 40 is a perspective view of the return spring spacer;
• Fig. 41 is a perspective view of the shifter according to the present invention during a gear shifting operation in a first direction
• Fig. 42 is a perspective view of the shifter according to the present invention during a gear shifting operation in a first direction.
• a shift arrangement 10 for a bicycle includes a housing 16 to be secured to a handlebar 12 of a bicycle by a clamp 14.
• an inner facing side or inner facing surface will refer to the side or surface facing the rider
• reference to an outer facing side or outer facing surface will refer to the side or surface facing away from the rider.
• housing 16 includes a first half housing shell 18 and a second half housing shell 20 secured to first half housing shell 18 so as to encase the assembly for effecting gear shifting.
• first half housing shell 18 includes a planar circular outer wall 22 having an annular inturned flange 24 at the periphery thereof.
• equiangularly spaced ears 26 extend outwardly from annular inturned flange 24, each ear 26 having a threaded opening 28 therein facing second half housing shell 20.
• a central opening 30 is provided in planar outer wall 22, with central opening 30 having a slightly oval or oblong configuration.
• Two raised stops 32 and 34 extend inwardly from planar outer wall 22 at the edge of central opening 30, with stops 32 and 34 being about 100 degrees apart around central opening 30.
• An arcuate guide wall 36 is also provided on the inside surface of planar outer wall 22 between stops 32 and 34 and spaced away from central opening 30.
• a gap 35 is provided between the end of arcuate guide wall 36 and stop 34, the purpose for which will become apparent from the discussion hereafter .
• second half housing shell 20 also includes a planar substantially circular outer wall 40 having an annular inturned flange 42 at the
• annular wall 44 extends outwardly from the periphery of annular inturned flange 42, with three equiangularly spaced ears 46 extending outwardly from annular wall 44.
• Each ear 46 has a through bore 48 therein.
• bolts 50 (Fig. 1) extend into through bores 48 and are threadedly received in threaded openings 28 to secure second half housing shell 20 to first half housing shell 18, with annular wall 44 seating on inturned flange 24.
• Annular inturned flange 42 includes an outwardly extending nose 52 of a generally frusto-conical
• nose 52 cooperates with cable adjust collar 56, with the derailleur cable 57 extending through cable adjust collar 56 and nose 52 into the interior of housing 16, as will be explained in greater detail hereafter.
• a cylindrical boss 58 extends inwardly from the center of the inner facing surface of circular outer wall 40 and has a substantially trapezoidal shaped upper end 60 with the longer side of substantially trapezoidal shaped upper end 60 being rounded, although the present invention is not limited to this shape.
• a central opening 61 is provided through cylindrical boss 58 and substantially trapezoidal shaped upper end 60, and smaller offset openings 63 and 65 are provided in substantially trapezoidal shaped upper end 60.
• a slight depression 62 is formed near the periphery of circular outer wall 40 at the inner facing surface thereof at a position approximately 70 degrees offset from nose 52 in the counterclockwise direction of Fig. 14, with a through opening 64 formed in the center of slight depression 62.
• a raised projection 66 is formed to one side of depression 62 in the counterclockwise direction of Fig. 14, at the inner facing surface of circular outer wall 40 and at the inner facing surface of annular inturned flange 42, and includes a threaded opening 68 therein.
• Raised projection 66 includes a triangular shaped projection 70 extending inwardly from annular inturned flange 42.
• a substantially triangular recess 72 is formed in the inner facing surface of annular inturned flange 42 directly behind slight depression 62, and extends upwardly to annular wall 44.
• a circular opening 74 extends into the bottom wall of recess 72.
• a U-shaped recess 76 is formed in the inner facing surface of annular inturned flange 42 to the opposite side of slight depression in the clockwise direction of Fig. 14, and extends the entire height thereof.
• a through opening 78 extends through annular inturned flange 42, substantially
• a slide 80 as part of a mounting arrangement for the shift lever to be
• slide 80 includes a circular disc 82 having a circular boss 84 extending from the center of the outer facing surface of circular disc 82.
• Boss 84 is cut away to define a slightly raised pedestal 86 and raised walls 87a and 87b extending upwardly therefrom with a generally outer circular
• Raised walls 87a and 87b define a large
• a central threaded opening 94 is provided on the outer facing surface of circular disc 82 at the center thereof.
• a cylindrical projection 96 is provided on the outer facing surface of circular disc 82, adjacent to small rectangular open area 90 and at a lower height than slightly raised pedestal 86.
• An annular advance roller 97 (Fig. 17) is rotatably mounted on cylindrical projection 96, and is adapted to fit through gap 35.
• a triangular recess 102 is provided to one side of elongated recess 98 and includes a guide wall
• a further recess 104 is provided on the opposite side of elongated recess 98 for the purpose of reducing material.
• a slightly arcuate raised wall 106 extends upwardly from the inner facing surface of slide 80 at a position generally inline with elongated recess 98 but near the opposite periphery of circular disc 82.
• a further slightly arcuate raised wall 108 of lesser dimensions than slightly arcuate raised wall 106 extends upwardly from one outer circumferential corner of slightly arcuate raised wall 106.
• Slide 80 is slidably mounted to planar circular outer wall 22 of first half housing shell 18 such that the outer facing surface of slide 80 rests against the inner facing surface of first half housing shell 18 and such that raised walls 87a and 87b extend through central opening 30.
• a shift lever 110 is attached to the outer facing surface of slide 80, to the outside of first half housing shell 18.
• lever 110 has a generally human leg shaped appearance, with an upper leg section 112 connected to a lower leg section 114 at an angle of about 140 degrees through a knee section 116, with the free end of lower leg section 114 including a foot 118 extending approximately at a right angle from lower leg section 114.
• Upper leg section 112 includes a main body 120 having dimensions corresponding to the dimensions of large rectangular open area 88 of slide 80 and fits therein. The free end of upper leg section 112 tapers down through an arcuate reducing section 122 to a reduced dimension
• rectangular parallelepiped section 124 Arcuate reducing section 122 has dimensions corresponding to the dimensions of intermediary curved open area 92 of slide 80 and fits therein, and rectangular parallelepiped section 124 has dimensions corresponding to small rectangular open area 90 and fits thereon.
• a through bore 126 in main body 120 is in coaxial alignment with central opening 94 of slide 80.
• a rivet, bolt or the like extends through bore 126 and central opening 94 to fixedly secure shift lever 110 to slide 80. It will therefore be appreciated that rotation of shift lever 110 around the axis of through bore 126 results in corresponding rotation of slide 80 relative to first half housing shell 18.
• raised walls 87a and 87b have a generally outer circular footprint, and since central opening 30 of first half housing shell 18 has a slightly oval or oblong configuration, raised walls 87a and 87b can slide within central opening 30. Thus, when shift lever 110 is pushed by the user in an axial direction thereof, from the outer surface of foot 118, as shown in Fig. 42, raised walls 87a and 87b slide within central opening 30.
• post sleeve 130 as a rotatable element of an actuating arrangement is provided in the housing 16 against the inner facing surface of slide 80.
• post sleeve 130 includes a thin generally circular plate 132 having two ears 134 and 136 extending outwardly in the plane of plate 132 and separated by an angle of about 100 degrees.
• a boss 138 is provided at the outer end of one ear 134 and has a post 140 extending therefrom at right angles to the plane of plate 132, while a post 142 extends from the other ear 136 on the opposite side of plate 132.
• An annular groove 141 is provided around post 140 near the free end thereof.
• a small opening 143. is provided on the opposite surface of ear 136.
• plate 132 includes a central through bore 144.
• a center shaft 146 is fixed in central opening 61 of cylindrical boss 58 and extends through bore 144.
• the free end of center shaft 146 has a post sleeve roller 145 (Fig. 4) thereon which slidably fits within elongated recess 98 and which permits center shaft 146 to rotate therein.
• a compression spring 147 (Figs. 4 and 16) or other suitable spring member is fit within elongated recess 98 between flat end 100 thereof and post sleeve roller 145 to
• Post sleeve 130 is rotatably mounted on center shaft 146 such that post 142 extends within triangular recess 102 of slide 80.
• An annular advance roller 148 is rotatably mounted on post 142 and is adapted to be guided along guide wall 103 of slide 80, as will be discussed hereafter, during sliding movement of raised walls 87a and 87b within central opening 30. Advance roller 148 is shown disengaged from post 142 in Fig. 3 merely for better illustration purposes.
• shift lever return spring 131 is mounted against the inner facing surface of post sleeve 130.
• the inner end of shift lever return spring 131 is bent to form a bent spring projection 133 that is fixed in offset opening 63, while the outer end of shift lever return spring 131 is bent to form a bent spring projection 135 that is fixed in small opening 143 provided in ear 136 of post sleeve 130.
• shift lever return spring 131 functions to normally bias post sleeve 130 in the clockwise direction of Fig. 3.
• annular roller 148 mounted on post 142 functions to rotate slide 80 and shift lever 110 therewith.
• a triple gear pulley 150 is rotatably mounted on cylindrical boss 58 of second half housing shell 20 at the inner facing surface of shift lever return spring 131.
• Triple gear pulley 150 includes a generally cylindrical body 152 having a central through bore 153 through which cylindrical boss 58 extends.
• Cylindrical body 152 has a centrally located annular cable guiding groove 154 around the outer circumference thereof around which derailleur cable 57 extends.
• triangular nose 156 extends outwardly from the outer
• Triangular nose 156 includes a
• Triangular nose 156 is normally oriented in a lower position to the right side thereof. In this manner, cable 57 enters housing 16 and extends within cable guiding groove 154 from a position slightly to the left of triangular nose 156, and through elongated slot 160 and cylindrical recess 158.
• cylindrical plug 162 (Fig. 4) is fixed to the free end of cable 57 that extends through cylindrical recess 158, and is fit within cylindrical recess 158 so as to secure the free end of cable 57 to triple gear pulley 150 at pointed
• triangular nose 156 A small opening 157 is provided in the inner facing surface adjacent triangular nose 156.
• cable guiding groove 154 divides the outer circumference of triple gear pulley 150 into an inner circumferential section and an outer
• a first set of inner gear teeth 164 extend from the inner circumferential section and a second set of outer gear teeth 166 extend from the outer circumferential section, respectively, both starting from a position immediately above triangular nose 156 and extending upwardly and around triple gear pulley 150 to a position approximately diametrically opposite to triangular nose 156.
• inner gear teeth 164 have a generally symmetrical trapezoidal appearance, while outer gear teeth 166 each have the same inclination in a direction toward triangular nose 156 and have a greater pitch than gear teeth 164.
• gear teeth 166 are slightly offset from gear teeth 164.
• a third set of outer gear teeth 168 extend around the outer circumferential section from a position slightly spaced from the end of the second set of outer gear teeth 166 to a position adjacent to the opposite side of triangular nose 156.
• Gear teeth 168 have a
• gear return spring 165 functions to normally bias gear return spring 165 in the counterclockwise direction of Fig. 4.
• Pawl flange 170 is fixed to the outer facing surface of second half housing shell 20.
• Pawl flange 170 includes a plate 171 having a main section 172 and a finger section 174 extending therefrom.
• Finger section 174 includes a through bore 176 through which a bolt 178 (Figs. 3 and 4) extends from the outer facing side thereof into threaded engagement with threaded opening 68 to fixedly secure pawl flange 170 to second half housing shell 20.
• Pawl flange 170 further includes a short post 180 extending from the inner facing surface thereof at a left end position of main section 172 of plate 171 and a tall post 182 extending from the inner facing surface thereof at a lower position on main section 172 of plate 171.
• a hold pawl 184 as part of an actuating arrangement is rotatably mounted on tall post 182 of pawl flange 170.
• Hold pawl 184 includes a pawl lever 186 having a substantially central through bore 188 which is mounted on tall post 182. A downwardly
• inclined pawl catch 190 is provided at one end of pawl lever 186 for engaging with gear teeth 166 of triple gear pulley 150, to be described hereafter. Further, a post 192 extends from the outer facing surface of pawl lever 186 at the end thereof opposite pawl catch 190 for engagement with the upper arcuate surface of further slightly arcuate raised wall 108.
• a main pawl 194 as part of an actuating arrangement is then rotatably mounted on long post 182 of pawl flange 170 on top of hold pawl 184.
• Main pawl 194 includes a pawl lever 196 having an upper engagement surface 197 and a through bore 198 at one end by which main pawl 194 is mounted on tall post 182.
• a post 202 extends from the outer facing surface of pawl lever 196 at the end thereof adjacent pawl catch 200 for engagement with the upper arcuate surface of slightly arcuate raised wall 106.
• a main pawl spring 204 normally biases pawl catch 200 into engagement with gear teeth 164, as shown in Figs. 3 and 4.
• main pawl spring 204 includes a
• a first spring arm 210 extends from cylindrical base 206 at the inner facing end thereof and engages with the inner surface of annular inturned flange 42.
• a second L-shaped spring arm 212 extends from cylindrical base 206 at the outer facing end thereof and engages with upper engagement surface 197 of pawl lever 196.
• an advance pawl 214 as part of an actuating arrangement is rotatably mounted on post 140 of post sleeve 130.
• Advance pawl 214 includes a pawl lever 216 having a lower engagement surface 217 and a through bore 218 at one end by which advance pawl 214 is mounted on post 140 of post sleeve 130.
• inclined pawl catch 220 is provided at an opposite end of pawl lever 216 for engaging with gear teeth 168 of triple gear pulley 150, to be described hereafter.
• advance pawl spring 222 normally biases pawl catch 220 into engagement with gear teeth 168, as shown in Figs. 3, 4 and 38.
• advance pawl spring 222 includes a cylindrical base 224 with a central through bore 226 mounted on boss 138 of post sleeve 130 below advance pawl 214.
• a first L-shaped spring arm 228 extends from
• cylindrical base 224 at the outer facing end thereof and engages with the side edge of thin generally circular plate 132 of post sleeve 130.
• a second L-shaped spring arm 230 extends from cylindrical base 224 at the inner facing end thereof and engages with lower engagement surface 217 of advance pawl 214.
• an advance pawl retaining ring 232 is snap fit onto post 140 of post sleeve 130, and is held in annular groove 141 thereof, in order to retain advance pawl 214 and advance pawl spring 222 in position.
• a return spring spacer 234 is mounted on substantially trapezoidal shaped upper end 60 of cylindrical boss 58 between post sleeve 130 and triple gear pulley 150.
• return spring spacer 234 includes a substantially circular plate 236 with a center substantially trapezoidal shaped through bore 238 of the same shape and dimensions as substantially
• An arcuate flange 240 extends in a coplanar manner from the edge of circular plate 236 for an angle of approximately 90 degrees, and has opposite inclined 242 and 244.
• pawl catch 220 of advance pawl 214 sits on arcuate flange 240 of return spring spacer 234 and is thereby out of engagement with gear teeth 168.
• pawl catch 200 of main pawl 194 is biased by main pawl spring 204 into engagement with gear teeth 164 so that the particular gear of the derailleur stays in
• advance roller 97 during the initial rotation, is rotated to a position away from gap 35, and in front of arcuate guide wall 36, which prevents linear movement of shift lever 110, that is, which only allows rotational movement thereof. Further, because advance roller 148 abuts against guide wall 103 of slide 80, post sleeve 130 also rotates in this counterclockwise direction. During this movement, advance pawl 214 rotates with post sleeve 130 and thereby moves past arcuate flange 240 of return spring spacer 234. As a result, advance pawl 214 is no longer restrained by arcuate flange 240 and is biased by advance pawl spring 222 into engagement with gear teeth 168.
• main pawl 194 would repeat this operation, that is, be moved out of one gear tooth 164 and into the next gear tooth 164, and so on, during this gear shifting operation.
• hold pawl 184 would perform a similar operation since it is not restrained at all.
• shift lever return spring 131 Because advance roller 148 abuts against guide wall 103 of slide 80, slide 80 and shift lever 110 also rotate in this clockwise
• advance pawl 214 is configured to move triple gear pulley 150 only in the counterclockwise direction. It is note that the tension on cable 57 would normally force triple gear pulley 150 back in the clockwise direction.
• main pawl 194 engages gear teeth 164 and holds triple gear pulley 150 in position, because there is no rotational force of advance pawl 214 on triple gear - pulley 150.
• cable 57 is pulled to effect a shifting operation in a first direction.
• shift lever 110 For shifting in the opposite direction, the person linearly moves shift lever 110 in the direction of arrow 248 in Fig. 42.
• there is no rotational movement of shift lever 110 that is, movement is purely linear.
• slide 80 Since slide 80 is fixed to shift lever 110, slide 80 also moves in this linear direction. As such, advance roller 97 on slide 80 moves through gap 35 on first half housing shell 18.
• post sleeve roller 145 around the free end of center shaft 146 slidably moves within elongated recess 98 of slide 80 against the force of compression spring 147.
• advance roller 148 rides along guide wall 103 of slide 80. It will be appreciated, however, that post sleeve 130 does not slide and is
• advance pawl 214 is restrained by arcuate flange 240 of return spring spacer 234, and is thereby out engagement with gear teeth 168 during this entire shifting operation.
• slightly arcuate raised wall 106 of slide 80 engages post 202 of main pawl 194 to move downwardly inclined pawl catch 200 out of engagement with gear teeth 164 of triple gear pulley 150.
• slightly arcuate raised wall 108 abuts post 192 of hold pawl 184 to move downwardly inclined pawl catch 190 into engagement with gear teeth 166 of triple gear pulley 150. Therefore, at this time, triple gear pulley 150 is held in position only by hold pawl 184.
• the spacing or pitch of gear teeth 166 is greater than the width of pawl catch 190 so that, during this initial engagement, triple gear pulley 150 is caused, by the pull force from cable 57, to rotate slightly in the clockwise direction of Fig. 3 by a slight distance equal to the difference between the spacing or pitch of gear teeth 166 and the width of pawl catch 190, until pawl catch 190 abuts against the edge of the

Applications Claiming Priority (1)

Publications (2)

Family

ID=52828505

Family Applications (1)

Country Status (4)

Families Citing this family (3)

Family Cites Families (5)

• 2013
  • 2013-10-16 WO PCT/US2013/065276 patent/WO2015057218A1/en active Application Filing
  • 2013-10-16 CN CN201380081684.6A patent/CN106061828A/zh active Pending
  • 2013-10-16 CA CA2926285A patent/CA2926285A1/en not_active Abandoned
  • 2013-10-16 EP EP13895769.1A patent/EP3057862A4/de not_active Withdrawn

Also Published As

Similar Documents

Legal Events