Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
  • B62J3/00—Acoustic signal devices; Arrangement of such devices on cycles
  • B62J3/02—Mechanical devices
  • B62J3/04—Mechanical devices activated by the rider, e.g. bells or horns
• • G—PHYSICS
  • G10—MUSICAL INSTRUMENTS; ACOUSTICS
  • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
  • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
  • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
  • G10K1/07—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube mechanically operated; Hand bells; Bells for animals
  • G10K1/072—Operating or striking mechanisms therefor
• • G—PHYSICS
  • G10—MUSICAL INSTRUMENTS; ACOUSTICS
  • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
  • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
  • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
  • G10K1/08—Details or accessories of general applicability
  • G10K1/26—Mountings; Casings

Definitions

• the invention relates to a percussion bell intended to be fixed on a support, in particular the handlebars of a bicycle.
• Such bells which comprise a bell and a hammer, said hammer being manually movable on a stress stroke of an elastic member arranged to actuate the subsequent movement of said hammer on a percussion stroke of the bell.
• US-5 307 756 discloses a bell with a base on which are mounted the bell and the hammer, said base being equipped with a clamp around a portion of said handlebar.
• the clamp comprises a slot defined between two radial edges forming a clamping jaw and interconnected by means of a nut screw for the adjustable closure of said collar around the handlebar.
• this type of bell does not give complete satisfaction, in that it requires the use of a tool, including a screwdriver, to allow its attachment to the guide, which can be tedious, especially when the cyclist wants to adjust the tightening during use of the bike outdoors, without having such a tool at its disposal.
• a tool including a screwdriver
• the presence of the remote clamping jaw constrains the clutter and gives it an unattractive appearance.
• the invention aims to improve the prior art by proposing in particular a compact doorbell which can be fixed to a bicycle handlebar in a particularly simple and intuitive manner, in particular without requiring the use of a tool, said fixing being moreover reliable, even after several assemblies and disassemblies of the bell.
• the invention proposes a percussion bell intended to be fixed on a support, in particular the handlebar of a bicycle, said bell comprising a bell and a hammer which are mounted on a base equipped with a clamp of said bell around said support, said hammer being manually movable on a stress stroke of an elastic member which is arranged to actuate the subsequent movement of said hammer on a percussion stroke of the bell, the collar comprising a first end secured to the base and a second free end which is equipped with a fastening means, said bell comprising a complementary fastening means whose cooperation with the fastening means of the collar is arranged to ensure the maintaining said collar in a tight state around the support and fixing said bell to the base through said collar.
• FIGS. 1a and 1b show a door bell according to the invention, respectively in rear perspective (FIG. 1a) and in median section (FIG. 1b), in which the fastening means of the clamping collar are separated from the means of complementary fixation of the bell;
• - Figures 2a and 2b show the doorbell of Figures 1 in partially disassembled state, respectively in rear perspective ( Figure 2a) and in median section ( Figure 2b), the collar end being disposed in its receiving housing;
• FIGS. 3a, 3b and 3c represent the bell of the preceding figures, respectively in rear perspective (FIG. 3a), in median section
• FIG. 4 shows a front view of the bell of Figures 3.
• a percussion bell intended to be fixed on a support, including the handlebars of a bicycle.
• the terms of positioning in the space are taken with reference to the position of the bell relative to the cyclist, when said bell is mounted on a bicycle handlebars.
• the terms “front” and “rear” relate to a disposition respectively facing the cyclist and opposed to the cyclist, the “front” position being shown in particular on the left in FIGS. 1b, 3b, 3c and the “rear” position. Being represented on the right in these same figures.
• the terms “outside” and “inside” are relative to a disposition respectively close to an outer edge of the handlebar, and in particular of a positioning handle of a hand of the cycle, and close to the center of said handlebar.
• the bell comprises a bell 1 and a hammer 2 that can be moved manually over a biasing stroke of an elastic member 3 which is arranged to actuate the subsequent displacement of said hammer on a percussion stroke of said bell, both being mounted on a base 4 equipped with a clamp 5 for clamping said bell around its support.
• the collar 5 can be formed in one piece with the base 4, for example by injection and molding of a plastic material, in particular polyamide (PA).
• a plastic material in particular polyamide (PA).
• the collar 5 comprises a first end 5a integral with the base 4 and a second end 5b which is equipped with a fixing means to allow the arrangement of the collar 5 in a tight state around the support.
• the collar 5 has a flexible strap extending between its two ends, and the free end 5b has a tip 6 which carries the fixing means.
• the strap has a U-shaped geometry on which the tip 6 is arranged to come close the collar 5 around the support.
• the base 4 has a housing 7 in which the nozzle 6 is disposed when the collar 5 is in a tight state around the support, said housing being surmounted by a plate 8 on which the bell is arranged in a fixed state.
• the arrangement of the tip 6 in the housing 7 improves the compactness of the bell.
• the base 4 has three vertical walls 4a, 4b which extend under the plate 8 and a horizontal wall 4c which extends between the lower sides of said vertical walls, these four walls 4a-4c defining with said
• the three vertical walls 4a, 4b comprise two sagittal walls 4a which extend symmetrically on either side of a median plane M while being each disposed in a sagittal plane parallel to said median plane, and a front wall 4b which extends in a frontal plane perpendicular to said median plane.
• the housing 7 opens into a rear opening 7a formed between the rear sides of the sagittal walls 4a, to allow the introduction of the nozzle 6 in the housing 7 by said rear opening.
• At least the lower sides of the sagittal walls 4a have a curvature 9 intended to fit at least a portion of the periphery of said handlebar during assembly of said bell, which limits the risks inadvertent sliding of said bell around said handlebar.
• the front wall 4b has a lower portion 10 which extends below the housing 7 and which has a curvature formed in the continuity of the curvatures 9 of the sagittal walls 4a, the first end 5a of the collar 5 being material coming with said lower portion.
• the bell 1 comprises a complementary fixing means arranged to cooperate with the fastening means of the collar 5 to ensure the maintenance of said collar being tight around the handlebar and the fixing of said bell on the base 4 by the intermediate of said collar.
• the fixing means is part of the bell 1 or is fixed irreversibly to the bell 1, so as to be manipulated by said bell.
• the attachment of the bell on the handlebar is effected simply by means of the bell 1, which makes it possible to carry out said fixing in a particularly simple and intuitive manner, even during the use of the bicycle outdoors, in that it does not require the use of a tool.
• the bell 1 is equipped with a threaded rod 1 1.
• the bell 1 has a cap 1a surrounded by a peripheral skirt 1b, said cap having an orifice 12 in which the rod 1 1 is fixed in extending inside said skirt.
• the rod 1 1 has a nut 27 intended to come axially clamping under the cap 1a after fixing said rod in the orifice 12, to ensure the locking of said fastener.
• the bell 1 may be made of a metal material, in particular based on aluminum, and the threaded rod 1 1 may be a standard screw, for example of the M4 type.
• the bell 1 can be formed by stamping and electrodeposition, then the threaded rod 1 1 can be attached to the cap 1a by stamping, in particular with the aid of a press.
• the tip 6 is equipped with a threaded orifice 13 in which the threaded rod 1 1 is intended to be screwed when mounting the bell on the handlebar.
• a nut 14 is disposed in the threaded orifice, in particular through an opening 15 formed for this purpose on a lateral face of the nozzle 6.
• the plate 8 has an orifice 16 in which the rod 1 1 is disposed during mounting on it of the bell 1, so that said rod comes to screw into the threaded orifice 13 disposed in the housing 7.
• the arrangement of the endpiece 6 in the housing 7 serves to align the screwing forces of the rod 1 1 in each of the orifices 13, 16.
• the plate 8 has a cavity 28 formed around the orifice 16, and in which the nut 27 is intended to bear axially after arrangement of the rod 1 1 in said orifice.
• the housing 7 may advantageously have dimensions arranged to allow the holder 6 to be held with limited relative displacements, which makes it possible in particular to vertically align the orifices 13, 16, and thus to facilitate the screwing of the threaded rod 11 in the threaded orifice 13 during assembly of the bell 1 on said plate.
• the sagittal walls 4a may be spaced a distance that is substantially equal to the width of the tip 6, to allow a free play of said tip between said sagittal walls.
• the plate 8 comprises a marking 17, in particular in the form of curved arrows disposed on either side of the orifice 16, in order to indicate to the cyclist the direction of rotation to be applied to the bell 1 to ensure the assembly of the bell and its attachment to the handlebars.
• the bell can be fixed near a handle of the bicycle, in particular against the brake ring, to allow the cyclist to move the hammer 2 with his thumb by limiting the loss of grip of said handle, and so facilitate the use of said bell when traveling by bike.
• the hammer 2 has a central portion 2a which is rotatably mounted on the base 4, said central portion being surmounted by an upper lug 2b provided with a zone 18 of percussion.
• the hammer 2 further has a lower leg 2c of displacement provided with an actuating zone 29, the elastic member 3 being disposed between said hammer and the base 4 so that a bearing on the actuating zone 29 spreads the percussion zone 18 of the bell 1 by constraining the elastic member 3, the release of said support actuating the percussion movement of said bell by said percussion zone.
• the hammer 2 can in particular be formed in one piece with the tabs 2b, 2c and the central portion 2a, for example by injection and molding of a plastic material, in particular based on polyoxymethylene (POM).
• POM polyoxymethylene
• the collar 5 is arranged to define a support mounting axis A ', a sagittal mounting plane M' containing the outermost part of said collar, said part being disposed in particular of the base of a handlebar handle, and a transverse plane T perpendicular to the mounting plane M 'and containing the axis A' mounting.
• the percussion zone 18 extends above the transverse plane T
• the actuation zone 29 extends below said transverse plane while being shifted outwards with respect to the mounting plane M .
• the actuation zone 29 of the hammer 2 is directed towards a handlebar handle, and thus to a hand of the cyclist, when the bell is mounted on the brake ring of said handle, which allows to bring closer said thumb actuation area, including a small hand of a child, and thus to allow the cyclist to press on said actuation area without having to change its grip of said handle.
• the cyclist can use the bell to signal his presence while keeping the possibility to brake and / or manipulate the handlebars with both hands, which ensures its safety, especially if it is a child and / or a beginner cyclist.
• the central portion 2a is rotatably mounted on the base 4 along an axis A which extends substantially parallel to the mounting axis A 'of the collar 5 around the handlebar, and the upper lug 2b extends in a vertical vertical plane P which is parallel to said axes of rotation and mounting.
• the vertical frontal plane P forms a clearance J with the bell 1, the elastic member 3 being arranged so that the percussion stroke extends over said clearance and that the upper leg 2b extends in said vertical plane in the absence of support on the lower leg 2c.
• the dimensions of the game J are arranged to allow the bell to work properly. Indeed, if the size of the game J are too large, the upper leg 2b can not hit the bell 1 after releasing the support on the lower leg 2c, and the doorbell will not produce sound. Similarly, if the dimensions of the game J are too small, the upper leg 2b may hit the bell 1 several times, which will also prevent the production of sound.
• the upper lug 2b is equipped with a protrusion 18 on which is formed the percussion zone of the bell 1, the dimensions of the clearance J and the maximum thickness of said protuberance being arranged to leave between said protuberance and the bell 1 a space which is sufficient to prevent inadvertent contact as mentioned above of said protrusion against said bell.
• the actuating zone 29 of the lower leg 2c may have an impression for the positioning of a thumb, in order to provide the cyclist with a visible and / or tactile mark to allow him to optimally position his thumb on said actuating zone, and thus ensure correct actuation of said bell.
• the upper tab 2v extends in the vertical plane P in a direction D perpendicular to the axis of rotation A of the hammer 2.
• the lower tab 2c extends in a direction D ' forming with the direction D of the upper leg 2b an angle measured in the vertical plane frontal P which is strictly less than 180 °, in particular being between 120 ° and 160 °.
• the lower tab 2c further extends in a plane P 'which forms a non-zero angle ⁇ backwards with the frontal vertical plane P.
• this angle ⁇ can in particular be between 10 ° and 30 °.
• the central portion 2a has a bent geometry connecting the lower and upper edges 19 respectively 20b of upper tabs 2b and lower 2c. Furthermore, the central portion 2a has an upper portion 21 which is aligned vertically with the upper lug 2b and which is equipped with means 22 for mounting the hammer 2 in rotation on the base 4.
• the upper section 21 has a hinge element 22 forming rotational mounting means of the hammer 2 on the base 4, and which is complementary to a hinge element 23 of the base 4, a rotating pin 24 being disposed in the assembly of said hinge elements.
• the elastic member 3 comprises a spring wire having a winding 3a immobilized relative to the base 4, in particular by being disposed around the pin 24, and interposed axially between the hinge elements 22, 23, and a end 3b which is supported on the lower leg 2c to be moved with it to constrain said winding.
• the lower lug 2c comprises a shape 25 complementary to that of the end 3b of the spring 3, and wherein said end is disposed in abutment, in order to prevent any inadvertent relative sliding of said end relative to said lower leg.
• the lower portion 10 of the front end wall 4b has a front lateral extension 26 in which is formed the hinge element 23, to allow mounting on said lateral extension of the central portion 2a of the hammer 2 in rotation spring constraint 3.
• the axis of rotation of the hammer 2 is shifted laterally, particularly forward, relative to the base 4, and therefore relative to the bell 1, and the lower leg 2c is close to the thumb of the cyclist, which can further improve the ergonomics of use of the bell.

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• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Acoustics & Sound (AREA)
• Multimedia (AREA)
• Mechanical Engineering (AREA)
• Steering Devices For Bicycles And Motorcycles (AREA)
• Percussive Tools And Related Accessories (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=58707774

Family Applications (1)

Country Status (6)

Families Citing this family (3)

Family Cites Families (26)

• 2017
  • 2017-02-22 FR FR1751398A patent/FR3063063B1/fr not_active Expired - Fee Related
• 2018
  • 2018-02-20 EP EP18709676.3A patent/EP3586329A1/fr not_active Withdrawn
  • 2018-02-20 US US16/487,276 patent/US20200017157A1/en not_active Abandoned
  • 2018-02-20 WO PCT/FR2018/050400 patent/WO2018154228A1/fr unknown
  • 2018-02-22 TW TW107105892A patent/TW201838854A/zh unknown
  • 2018-02-22 CN CN201820262157.5U patent/CN208585356U/zh not_active Expired - Fee Related
  • 2018-02-22 CN CN201810153777.XA patent/CN108454744A/zh active Pending

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