Abstract: A bicycle pedal including clamping device for fastening an engageable article to the pedal. The clamping device comprises a clamp member including an engaging hook pivotable toward and away from one end of a pedal body for engaging the engageable article, and an urging member for urging the hook toward the pedal body. When the engageable article is moved sideways relative to the pedal body, the hook pivots away from the pedal body to release the engageable article. The clamping device further comprises an upward pull selector for selectively allowing the hook to pivot away from the pedal body when the engageable article is pulled upwardly relative to the pedal body. This selector is switchable between a position for prohibiting the engageable article from being pulled upward, thereby avoiding a danger resulting from disengagement of the engageable article from the pedal body, and a position for allowing the engageable article to be pulled upward with ease.

Abstract: The clipless bicycle pedal system includes two cylinders, one on the bicyclist's shoe, the other on the pedal, which closely interfit with one another, one member having laterally projecting pins, the other including circumferential slots for receiving the laterally projecting pins, there being cam means to assist in interfitting the two members by pressing them together and to permit their separation by rotational movement of one member relative to the other.

Abstract: A bicycle pedal is mounted on a spindle secured to a crank arm. A pedal platform has a stepped upper surface. A cycling shoe is provided with a cleat section extending under the ball area of the cyclist's foot. The cleat section is provided with a stepped surface that is complementary with the stepped surface of the pedal. These complementary stepped surfaces include risers and steps that interlock or matingly engage when the shoe is pressed downwardly onto the pedal. When the risers of the shoe and the pedal matingly engage, they permit rearward and downward thrust of the shoe against the pedal to rotate the crank arm in the customary direction for driving a chain of the bicycle. Apertures provided in the pedal between the risers permit debris from the stepped surface of the shoe to fall through the pedal and not interfere with the mating engagement of the pedal with the shoe.

Abstract: A cleat cover for use on a bicycle shoe equipped with a pair of bicycle pedal engaging shoe cleats. The cleat cover is formed as an elastomeric shallow oval cup shaped housing for engaging, covering and protecting said front and rear cleats. The cup-shaped housing defines a parabolic toe portion cup for receiving the front cleat, and a rectangular heel portion cup for snugly receiving and covering the rear cleat. The cleats are enclosed and protected by the cover to adapt the bicycle shoe for temporary use as a walking shoe.

Abstract: The pedal binding makes it possible separably to couple a shoe to a bicycle pedal rotatable about a pedal spindle and comprises a pedal side coupling part which forms a tread area and, adapted to be fitted onto the tread area, a shoe side coupling part. The coupling parts are separably locked together via catch members disposed on mutually facing surfaces of bifurcated arms of the pedal side coupling part on the one hand and bifurcated arms of the shoe side coupling part on the other. Such a snap-action connection is simple and operationally reliable. Mutually associated pairs of sloping thrust faces on the coupling parts assist the separation of the locked joint upon relative tilting movements of the two coupling parts.

Abstract: A pedal for a bicycle has a front abutment of cylindrical configuration riving the front edge of a plate of a shoe of the cyclist. The lever engaging the rear edge of this plate is carried by a pivot piece which can pivot in the pedal body about an axis corresponding to the frontmost generatrix of the cylindrical surface of the abutment. A retention plate holds the interfitting pivot piece end annular pedal body together.

Abstract: An adjustable bicycle shoe clip comprises a small frame to be fixed to a bicycle medal and bearing a rectangular shape structure having an encompassing front portion and provided, at the rear, with a holding fork for holding a belt including a portion having teeth and provided for engaging with an edge of a lever coupled to said rectangular shape structure.

Abstract: A clipless bicycle pedal system incorporating a pedal and cleat, the pedal being a block with a generally convex symmetrical curved top and bottom surface and being circular in the lateral plane. Grooves are formed in the circumferential edge of the block, with at least one groove each in the leading and trailing edges of the block. The cleat is a plate which is to be fixed to the sole of a rider's shoe and has a concave recess therein which corresponds to the convex surface of the pedal block. Within the recess is a spring-loaded tongue which is adapted to be removably seated in the grooves of the pedal block.

Abstract: Upper and lower coupling members are provided to couple a shoe to a bicycle pedal. The lower coupling member has a central, generally circular recess. The upper coupling member has a boss depending from its lower surface to engage in the recess. The upper coupling member is secured by screws to the cyclist's shoe. A pair of lengths of spring wire form part of an M-shaped spring secured in the lower coupling member. The boss has a pair of horizontally extending grooves into which the spring lengths snap to latch the coupling members together. A pair of abutments in the recess coact with a pair of flat sides on the boss to limit heel-in shoe movement to an arc insufficient to unlatch the wire lengths from the grooves. In a heel-out rotary direction, however, the boss can turn in the recess through an arc sufficient for the lengths of spring wire to come out of the grooves so that the coupling members can become disengaged by a lifting force on the shoe.

Abstract: A plurality of retaining pins extending laterally outwardly from the side edges of a sole of a bicyclist's shoe engage in conjugate holes formed in inner and outer spring-loaded retaining plates which extend vertically upwardly from a pedal, thereby securing the shoe to the pedal. The inner retaining plate is laterally movable away from the outer retaining plate by shifting the shoe inwardly, thereby enabling the shoe to be engaged and disengaged from the pedal. The outer retaining plate may be depressed by the shoe and automatically latched into a retracted position inside the pedal body so that the shoe may be secured to the pedal by only the inner retaining plate or may be disengaged completely. The outer retaining plate may be unlatched and released to return to upper position concurrently with movement of the inner retaining plate away from the outer retaining plate.

Abstract: A bicycle pedal includes a swinging member pivoted to the pedal body such that it is swingable at its upper portion in a direction of moving toward or away from the pedal body. A movable pawl is pivoted to the upper portion of the swinging member, and both the swinging member and movable pawl are biased by a spring in the direction of moving toward the pedal body. The movable pawl and swinging member swing relative to the pedal body to enable a shoe plate attached to a shoe of a cyclist to be mounted onto or dismounted from the pedal body.

Abstract: A plastic cleat on the bottom of a cycling shoe for securing the shoe to a pedal. The pedal has a round shaft for connecting to the cleat. The pedal also has rounded stops on the round shaft which are spaced to fit the cleat in between them. The cleat is comprised of a pair of flexible spaced surfaces, being spaced less than the diameter of the round shaft to create a tension to the passage of the round shaft. The spacing between the flexible edges can be changed in order to adjust the tension to the passage and removal of the round shaft. There is a concave surface of the cleat adjacent to the bottom of the shoe which can be changed with screws or other adjusting apparatus connecting to the bottom of the shoe. When the curvature of the concave surface is changed it changes the spacing between the edges. The surfaces adjacent to the flexible edges are angled towards the receiving opening to guide the round shaft into the opening.

Abstract: A cycling shoe with a convertible and adjustable cleat system is disclosed. The shoe includes and upper and a sole. A first removable disc has an outer surface formed of a material markable by contact with a bicycle pedal wherein the outer surface can be left with a mark indicative of the longitudinal and angular pedal position with respect to the shoe sole of the cyclist wearing the shoe. A second removable disc has an outer surface defining a cleat with a plurality of spaced grooves for engaging the pedal of a bicycle. A mechanism is provided for removably attaching the first and second discs to the sole in a plurality of rotational positions wherein the grooves of the second cleat are alignable in the angular position with respect to the sole as indicated on the markable material on the outer surface of the first disc. The present invention is also directed to a method for securing and aligning a pedal engaging cleat to a cycling shoe.

Abstract: A pedaling unit for a bicycle, including a footplate which includes two lateral guides in a V-shaped open toward the rear and which is fastened to a support mounted on the pedal crank of the crankset, as well as a special shoe which includes lateral grooves working with the guides of the footplate, this unit further including a system for locking the shoe with respect to the footplate in the longitudinal direction. The pedaling unit is characterized in that its footplate is made in two parts, each of which includes only one of guides of the footplates and which can mutually pivot while staying in the same plane, in opposition to elastic return device and with the opening of the branches of the V formed by the guides. the unit has application in the field of racing bicycles.

Abstract: A bicycle pedal system which attaches a cyclist's shoe to a bicycle pedal. The system consists of a cleat attached to the cyclist's shoe under the ball area of the foot. The cleat has two downward projections. These projections feature arcuate tracts for matingly engaging the cleat to a pedal body. The pedal body is shaped to matingly engage the cleat and contains a tensioned mechanism centered in the back of the pedal body. If a rotating force on the cleat exceeds a predetermined level, a release of the shoe cleat from the pedal body occurs. If such rotating forces do not exceed said predetermined level, the shock or movement will be absorbed and the shoe cleat is returned to the optimum position in the center of the pedal body.

Abstract: A pedal for racing bicycle comprises a pedal body carrying a toe clip at the front with a strap for retaining a cycling shoe and a transverse stop at the rear which is adapted to engage a recess formed in a cleat fitted to the sole of the shoe. The transverse stop is movable relative to the body of the pedal so as to enable the cleat to be released in use as a result of a backward and/or rotary force applied by the shoe above a threshold value.

Abstract: A pedal plate (13) for a cycle safety pedal (26) is releasably attached to the sole (12) of a cyclist's shoe in the ball region and has a running surface which extends parallel to the attachment region on the sole. The attachment region (11) of the sole (12) is arranged recessed by the thickness of the pedal plate (13) relative to the base surface of the sole (36) around the attachment region (11), so that the bottom of the pedal plate lies substantially flush with the bottom of the sole.

Abstract: A bicycle pedal has two opposed tracks defined by a set of longitudinally contiguous surfaces. Each track is bilaterally symmetric with a central convex surface, two adjacent co-planar surfaces and two perpendicular side surfaces. Each side surface extends dihedrally inward, above a co-planar surface. Each track is slightly wider at the free end of the pedal than the end fixed to the crank arm. A shoe cleat has a bottom central concave surface, adjacent co-planar surfaces and side diheral surfaces which mate with the corresponding pedal track surfaces in longitudinal engagement. A fully sculptured lead is attached to the free end of the pedal which has an exterior flush with the central convex surface and adjacent co-planar surfaces of both pedal tracks. The lead tapers axially to an apex co-linear with the longitudinal axis of the pedal and approximates an oblate half ellipsoid about this axis with fins lying between and in front of the opposed pedal tracks.

Abstract: A pedal is provided with a frontal half hoop or ring. A plastic cleat attached to the shoe of the cyclist has a circular plate that fits the loop or ring. Registry is achieved by a pin or hook that projects forwardly of the plate. The pin or hook captures the hoop or ring. To engage the coupling, the cleat is outwardly pivoted and then returned so that companion rigid clips on the cleat and the pedal interlock. A detent retracts downwardly as the clips move into engagement. Such downward movement is effected by a moderately sloped first cam surface; an adjoining steeply sloped second cam locking surface of the detent keeps the cleat in locked position. In an unlatched position, force can yet be effectively applied to the pedal whereby so that unrestrained complete separation or full latching are options while the bicycle is operated.

Abstract: A bicycle pedal comprises a pedal body which contains a housing intended to accommodate a transverse spindle capable of being fixed to a crank. The pedal body is rotatably mounted on the said spindle by means of two rotary bearings provided respectively near the ends of the spindle. The rotary bearing provided at the end of the spindle remote from the crank comprises a needle bearing whose external diameter is smaller than the external diameter of the rotary bearing situated nearer the crank; the pedal body has a bearing surface for the user's foot which passes over the needle bearing, and is spaced from the geometrical axis of the spindle by a distance that is smaller than the external radial dimension of the pedal body in the vicinity of the rotary bearing nearer the crank. The bearing surface is a portion of a flat surface and extends as far as the external edge. This surface is situated towards the outside in relation to the rotary bearing near the crank.

Abstract: A boot for motorcycle cross-country racing is disclosed which comprises protection plates formed with plural elastically deformable hollow, button-like projections. The hollow, button-like projections extend through holes formed in a toe, malleolus and calf portions of said boot for attenuating shock transmitted to said boot.

Abstract: There is disclosed a sport shoe that is adaptable for multiple competitive events. Specifically, the sport shoe is useful for both cycling and running without compromising either competition. The shoe uses clipless pedals which, heretofore, have only been useful with a cleat that is permanently attached to the cyclist's shoes. The shoes can be quickly mounted to the clipless pedal and the wearer can thus compete in running and cycling events without changing footwear. The shoe of the invention has a composite sole with an outer sole, an intermediate sole and a cushioning layer therebetween. The composite sole has a plurality of apertures which are positioned on a preselected array and which receive a plurality of detent members, preferably in the form of upright posts which are permanently affixed to a pedal of a cycle. The upright posts have detent members which snap into the composite sole, thereby firmly securing the shoe to the pedal of a bicycle without any clips or attachment cleats.

Abstract: A device for interconnecting a bicycle pedal and a cycling shoe includes a block applied to the sole of the shoe and incorporating a spring bolt which is slidable lengthwise of the sole of the shoe in the plane of the block and is adapted to snap-engage in a slot formed in a fixed flange projecting upwardly from the rear end of the pedal. The bolt can be disengaged from the slot of the pedal by a lateral rotation of the shoe.

Abstract: Velcro type coacting flexible gripping elements are provided on the bottom of a fastener carried by the rider's shoe and on the top of a pedal fastener connected to the bicycle pedal which allow for quick fastening of the foot to the pedal and release when desired. The foot fastener includes a strap extending around the instep of the foot and may optionally include a second strap extending around the heel while the pedal fastener includes a strap extending around the pedal.

Abstract: A cyclist shoe comprises a sole and an upper. The upper has a vamp with a variable throat located between side panels. Separately adjustable inner and outer straps have releasable hook and pile connections. Opposite end portions of each strap are secured to the side panels. The inner strap extends across the throat and along one side panel in a diagonal direction for primarily fitting the shoe to a cyclist's instep. The outer strap comprises a relatively large, flexible panel covering a substantial portion of the vamp around the throat. It extends across the vamp and the side panels in a transverse direction for primarily fitting the shoe to the cyclist's forefoot. A free end of the inner strap is exposed through a window in the outer strap enabling adjustment of the inner strap independently of the outer strap.

Abstract: A device for fastening a shoe on a bicycle pedal essentially comprises at least one retaining member attached to the undersurface of the sole of the shoe, the retaining member being provided with a rear retaining recess having a rearwardly directed opening and with a front retaining recess having a forwardly directed opening. Rear and front anchoring members on the pedal are provided respectively with rear and front anchoring elements located at a longitudinal distance from each other which is slightly shorter than or equal to the distance between the rear retaining recess and the front retaining recess of the retaining member attached to the shoe so as to be capable of engaging and locking respectively within the rear retaining recess and the front retaining recess in order to fix the shoe on the pedal.

Abstract: A bicycle pedal system comprising a shoe clip which attaches to a bicyclist's shoe and has a pair of serrated lateral tongues which couple with and are easily inserted into complementary serrated recesses in the associated bicycle pedal. The construction and configuration of the system, including the negative undercut serrations permits easy insertion of the clip into the pedal and permits relatively easy lateral sliding of the clip along the pedal and lateral removal of the clip from the pedal when not in use, but securely lock the clip in the pedal against relative lateral movement during use as well as against transverse separation.

Abstract: A racing bicycle shoe cleat which has a shoe mounting body (20) containing a contoured cavity (50) with diagonal skewed depressions (52) on the inside mounted to the sole of a bicycle shoe. A pedal retaining member (56) is rotatably attached within the contoured cavity, and spring loaded to protrude, exposing a pedal retaining groove (34). The member (56) retracts into the housing releasing the shoe from the pedal when the shoe is rotated solving the previous problem of shoe release, especially in an emergency.

Abstract: A mounting support for a cycling shoe is intended to be attached to the underface of the sole and adapted to cooperate with a fastener or retainer carried by the bicycle pedal. The mounting support is formed of material having high hardness and high strength and equipped with at least one pad, the lower end of which projects from the underface of the mounting support. The pad is formed of flexible and elastic material, thus providing greater comfort and safety while walking.

Abstract: An improved sole structure for attachment to a shoe for bicyclists. The sole structure includes a conformed rigid body having in the front region a plurality of recessed seats each containing a fastener for attachment to a plate anchoring the sole structure to a bicycle pedal, and also includes in the plantar arch region a recessed seat containing a bolt fastened to a plate provided on the sole lower side, the plate being connected to a strap for attaching the sole structure securely onto a foot of a bicyclist. The sole structure provides channels extending rearwardly through the sole from a downward protruding frontal face for air ventilation of the foot of a cyclist, and includes a heel block attached to the sole lower surface rear portion to facilitate normal walking for the cyclist. The sole body upper face may include front and rear soft resilient cushions for improved support of the foot of the bicyclist.

Abstract: An improved cleated cycling shoe is disclosed. The cleated cycling shoe of the present invention is intended to improve performance and eliminate the problems associated with traditional cycling shoes when used with quick release binding systems. The shoe may also be used with traditional toe strap/cleat binding systems. The shoe comprises an upper, a rigid outsole plate fixed to the upper, and two support straps fixed at one end to the upper, having their free end drawn around the upper through a loop integrally formed on the outsole plate and back across the upper where they are fastened by means such as a hook and loop fastener. The support straps further reduce play of the foot within the shoe, provide additional support for the foot, and prevent the upper from being pulled apart from outsole plate due to extreme upstroke forces.

Abstract: A bicycle pedal system which attaches a cyclist's shoe to a bicycle pedal. The system consists of a cleat attached to the cyclist's shoe under the ball area of the foot. The cleat has two downward projections. These projections feature arcuate tracts for matingly engaging the cleat to a pedal body. The pedal body is shaped to matingly engage the cleat and contains a tensioned mechanism centered in the back of the pedal body. If a rotating force on the cleat exceeds a predetermiend level, a release of the shoe cleat from the pedal body occurs. If such rotating forces do not exceed said predetermined level, the shock or movement will be absorbed and the shoe cleat is returned to the optimum position in the center of the pedal body.

Abstract: The jig for facilitating the adjustment of a block under the sole of a cyclist's shoe, comprises a support (5) whereon the user's foot (6) is intended to be positioned. This support (5) is provided with an indentation (7) intended to receive the bulge corresponding to the articulation of the first metatarsal; a stop (19) is slidably mounted along the longitudinal direction of the support (5), this stop (19) being capable of being applied against one end of the foot (6), and provision is made for at least one graduation (G) on a longitudinal edge of the support, so as to cooperate with a specific zone (33) of the stop (19), to indicate the correct adjustment of the block (2) to be carried out, so that the articulation of the first metatarsal should occupy a specific position in relation to the axis (34a) of the pedal (34).

Abstract: Cycle pedalling apparatus is disclosed having a latch element that projects from a pedal, the latch element having latch members which are resiliently deflectable. A socket element on the sole of a rider's foot releasably and replaceably couples with the latch element for pedalling action, and releases from the latch element under non-pedalling loads.

Abstract: The fixing device comprises a sole plate fixed to the sole of a cyclist's shoe and comprising forward stop means towards the front and a catch towards the rear. Restraining means mounted on the pedal comprise forward stop means associated with those of the plate, and a holding element movably mounted on the pedal and capable of being applied by elastic biasing means against the rear of said catch. The forward stop means and the catch of the sole plate extend transversely under the sole of the shoe, behind the sole portion having the greatest width, while the associated forward stop means mounted on the pedal extend transversely and are fixed on the pedal behind the pedal spindle.

Abstract: On a bicycle pedal is mounted a disc with flange elements projecting radially outward. These flange elements in conjection with inwardly projecting flange elements on the bottom or outsole of a shoe provide a bayonet joint connection that is readily established and equally readily released by axial interpositioning of the flange elements, followed by a twist. In addition, an lug is mounted on the pedal that carches in a corresponding recess in the outsole after the bayonet connection is established.

Abstract: A pedal and a cyclist shoe with lateral guides and an operable lock on a platform attached to the crank of the pedal and a recess and a groove and/or projection on the sole of the shoe for respective engagement with the guides and lock of the platform.

Abstract: A pedal arrangement for releasable engagement between a cycle pedal and a cyclist's shoe wherein the pedal is provided with engagement members on a top surface thereof preferably in the form of upstanding lugs and, cooperating engagement members are provided in a lower surface of a cyclist's shoe preferably in the form of recessed rabbets, the lugs and rabbets interengaging one with the other, in a releasable manner. The pedal is also provided with a resilient retaining member which extends upwardly of the top surface of the pedal on one side thereof and is in the form of an elongate spring portion with an upwardly extending abutment member at one end thereof. In use, the spring portion and abutment member allow the shoe to be held in an engaged position relative to the pedal. A positive and predetermined movement of the shoe relative to the retaining member causes the retaining member to move out of position allowing the shoe to be released from engagement with the pedal.

Abstract: Quick connect and disconnect appartus for securing the foot of an operator to the pedal of a bicycle or like apparatus comprises interacting cooperative connector plates mounted on the pedal and the shoe of the operator respectively. The connector plates comprise interengaging, quadrilateral shaped members which interengage with each other along their mutually respective longer sides. The longer sides of the respective connector plates converge toward each other whereby firm engagement is achieved along the entire length of mutually opposite side edges of the respective connector plates, and the connector plates can further be quickly disconnected with a very short lateral movement which is less than one-half the length of the engageable side edges of the connector plates. Further, a novel pedal is adapted to self-orient itself into a position in which the connector plate on the pedal is always accessible to the matching connector plate on the shoe of the operator.

Abstract: The footwear item comprises an upper having a structure associated internally therewith. The structure is composed of a perforated liner, and a mesh. A grid is inserted therebetween and has enlarged knots provided with spacer elements. The liner is placed in contact with a wearer's foot while the mesh is adapted to contact the inner surface of the upper. The upper includes a plurality of apertures for allowing air therethrough.

Abstract: A riding boot has lengthwise pleats down the back secured together by Velcro fasteners. In the event a rider falls from a horse and the rider's foot is caught in a stirrup, the Velcro fasteners burst open allowing the pleats to unfold so that the rider's foot can be substantially instantaneously released from the boot thereby reducing the risk of injury.

Abstract: A device for fastening a shoe on a bicycle pedal comprises a mounting support secured to the sole of the shoe and a pedal provided with a claw for retaining the mounting support. A twisting movement of the cyclist's foot permits lateral disengagement of the shoe by means of V-shaped control surfaces which are formed respectively on the mounting support and on the claw and are capable of producing a rearward withdrawal of the claw. The pedal is provided with fixed bearing stops which are so arranged as to absorb all the efforts exerted by the mounting support in a rearward direction in the course of normal pedaling, thus preventing any untimely shoe release.

Abstract: In combination a pedal device including a crank shaft for rotation by pedaling, a shaft pedal member extending from the outer end of the crank shaft with said member having a circular cross section, and a shoe means for engagement of a rider's foot. The shoe means includes an upper portion covering a portion of the foot and a lower portion having a sole. The sole of the shoe means has a cleat means for enclosing the pedal member to position the sole above the pedal member. In a preferred embodiment, the pedal member is tapered to a smaller cross section further from the crank shaft while the cleat means is reverse tapered to enclose and accept the tapered pedal member and position the sole on the pedal member.

Abstract: A bicycle shoe is disclosed in which a plurality of spaced air scoops are located at the front of the shoe and aligned with channels formed in the inner base of the shoe and extending toward the heel. As the wearer moves rapidly forward on a bicycle, air is taken in through the scoops and distributed across the wearer's foot, producing a comfortable cooling action. The depths of the channels at their forward ends are preferably increased to provide the air scoops with greater intake areas, and the advantageous arrangements of the channels along the base of the shoe are disclosed.

Abstract: A bike show is formed with a recess in the sole of the shoe. The recess is defined by front and rear walls transverse to an inwardly and upwardly spaced base, with the recess extending from the opposite sides of the sole forming a channel. The front and rear walls of the recess are spaced apart a distance generally equal to the width of a bike pedal to provide a stable seat for the pedal inside the recess. The recess is located so that the center of the recess is aligned with the center of the ball of the foot of the bike rider when the rider is wearing the bike shoe, for maximum transfer of power from the bike rider to the pedal of the bike.

Abstract: The device is for connecting a bicycle pedal with a cage structure to a cycling shoe with a stud which is attached beneath the sole and has a transverse groove for engaging the rear cross member of the pedal. The device includes a stop member carried by the stud of the shoe and a bolt locking member which is carried by the pedal and is arranged to cooperate with the stop member so as to keep the stud in engagement with the rear cross member of the pedal.

Abstract: A boot provided with a depending rear heel is provided and a rearwardly opening front-to-rear extending blind cavity is defined within the heel. A spur including an elongated shank having first and second end portions is provided and the first end portion of the shank of the spur is releasably latchingly receivable within the cavity defined in the boot. In addition, a decorative button is provided for releasable snap fitting engagement in the rear end of the cavity after the first end portion of the shank of the spur has been removed from the cavity.

Abstract: A motorcycle boot is described with a positive air circulating system which distributes air over the wearer's foot in a continuously replenished flow. Air enters the boot through air scoops on the upper sides, travels down an intake duct at the rear, is distributed along the sole through a network of open channels, and flows against the underside of the wearer's foot through perforations in the inner sole. An exhaust path is provided through vent ports above the sole, exhaust ducts which run up the rear of the boot on either side of the intake duct, and vent openings which exhaust the air to the outside. Openings may be provided in the scoops immediately above the vent openings to produce a venturi action that stimulates the flow of air through the boot.

Abstract: Cycle pedalling apparatus has a latch element that projects upward on a pedal and that has a pair of latch members directed and resiliently deflectable along a latch axis that extends longitudinal with the axis about which the pedal revolves. A socket element on the sole of a rider's foot releasably and replaceably couplingly seats the latch element for pedalling action, and releases from the latch element under multiple selected non-pedalling loads.

Abstract: Cycle pedals, for cycles in which the pedal axle is mounted inside a bearing, are equipped with means of adjustably fixing the bearing on the platform, and include means for fastening a pedal-stop provided under the sole of the cyclist's shoe. The bearing is mounted on the upper face of the platform, in such a way that two lugs provided on the pedal-stop are engaged one on each side of the bearing, and the plate of the pedal-stop is in contact with the bearing and is held in its center, which constitutes a rest point for the cyclist's foot. The platform has a front edge, which is turned up perpendicularly to its surface, against which rests the front edge of the pedal-stop.