Abstract: A golf club incorporating an interchangeable shaft system includes a shaft, a shaft sleeve assembly, and a club head. The shaft sleeve assembly is coupled to an end of the shaft and is received in a hosel included in the club head. The shaft sleeve assembly is removably coupled to the club head includes portions coupled by a flexible coupling.

Abstract: A head 4 includes a head main body h1, a socket 10, an attachment member 11, and a weight body 12. The head main body h1 includes a socket housing portion 14. The socket 10 is attached to the socket housing portion 14. The socket housing portion 14 includes a first opening K1 through which the socket 10 can be housed. The attachment member 11 is mechanically joined to the head main body h1. The attachment member 11 is disposed so as to block at least a part of the first opening K1. The attachment member 11 controls the falling off of the socket 10 from the first opening K1. The socket 10 includes a held portion 10b. The held portion 10b is pressed by the attachment member 11. The socket 10 is formed of a polymer.

Abstract: Golf club heads with slit features are described herein. Other embodiments and related methods are also disclosed herein.

Abstract: A golf ball includes an inner core layer formed from a thermoset rubber composition. The inner core layer has a first outer surface Shore D hardness and an outer diameter of about 0.8 to 1.40 inches. A thermoplastic outer core layer is formed around the inner core layer, has a second outer surface Shore D hardness, and is formed from a copolymer of ethylene and an ?,?-unsaturated carboxylic acid, a magnesium salt of oleic acid, and sufficient cation source to fully-neutralize the acid groups of the copolymer. The golf ball includes an inner cover layer and an outer cover layer. The first outer surface Shore D hardness is greater than the second outer surface Shore D hardness and the outer core layer has a thickness of about 0.01 inches to 0.05 inches.

Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, each area of the second group abutting one or more areas of the first group, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, and such that the golf ball exhibits a negative inflection in drag coefficient (CD) during the flight of the golf ball.

Abstract: A golf utility tool that may be attachable to a golf club. The golf utility tool may include a clip that may be used to clip to a putter. The golf utility tool may further include a divot tool prong and a ball marker that is removably attached. The golf utility tool may further include a loop cutout for carrying other devices, such as a towel.

Abstract: A tee for holding an American style football during place kicking has a base with a receptacle. A block is removably inserted into the base, with the block having a front cup and a rear cup. A plurality of radial tabs in the front cup can independently bend and deflect to securely hold footballs having a range of different sizes and shapes. The tabs may be provided on fingers, with each finger having an upright arm joined to a ring base, and with a tab attached to and extending radially inwardly from each upright arm.

Abstract: A hockey-stickhandling-tool, methods of use, and a system for improving a player's hockey stickhandling strength and/or speed are described and disclosed. The hockey-stickhandling-tool may comprise: a puck-receiver and a stick-attachment-means. The puck-receiver may be sized to removably hold the at least one hockey-puck, by the puck-receiver providing at least one wall to partially enclose the at least one hockey-puck. The stick-attachment-means may be configured to removably attach to the hockey-stick. The puck-receiver and the stick-attachment-means may attached to each other such that use of the puck-receiver does not interfere with the stick-attachment-means and use of the stick-attachment-means does not interfere with the puck-receiver.

Abstract: A portable fabric target for ball sports has at least: a) three fabric panels, comprising a top first panel, a middle second panel; and a bottom third panel; b) the top first panel having i) a first bottom edge attached to at top edge of the second middle panel and ii) a second outside top edge; c) the top first panel having a support element extending away from the second outside top edge; d) the support element having a self-latching system that connects the second outside top edge to itself to form a loop or to a section of the top first panel to form a loop; e) the support element when locked around a pole supporting all weight of the portable fabric target without unlocking; and f) the bottom third panel having a stabilizing component thereon.

Abstract: Described are sports training aid(s) such as tennis grips. The tennis grips have markers showing a player where to place their hands and fingers to get a correct grip for a particular tennis shot. Also described are marker indicators having marker indicator comprising one or more indicators indicating to a subject where to put markers on a grip.

Abstract: A ladder-like shooting/catching section for a lacrosse stick pocket defined by at least two elongate runners (flat strips) extending from proximate the scoop of the head toward the throat, and a plurality of generally V-shaped chevrons straddling the runners and overmolded thereto. Alternately, the chevrons and runners are formed from a single material. The chevrons have a three-dimensional profile and each is slightly concave along its length, such that the chevrons collectively define a passing/catching chute. The chute increases surface contact with the ball and improves feel. This in combination with the shock-absorbing living hinge function provided by the chevrons makes throwing and catching smoother as well as more consistent, generally improving playability of the lacrosse stick.

Abstract: An aspect of the present invention relates to a lacrosse pocket comprising a preformed composite material including an outer edge for attaching to a lacrosse head and an interior channel within the outer edge having a desired concave shape and depth, wherein the interior channel, for receiving and releasing a lacrosse ball, permanently maintains the desired concave shape and depth.

Abstract: Baseball bats described herein may have handle, throat and/or barrel portions that include non-circular cross-sections.

Abstract: The present invention relates to a collapsible pocket-sized ball toy and a pocket-sized container or package for the toy, wherein the toy comprises a light weight exterior covering surrounding a light weight expandable spring.

Abstract: A drive pulley for a continuously variable transmission includes a fixed sheave and a movable sheave rotationally fixed relative to the fixed sheave. A housing is axially and rotationally fixed relative to the fixed sheave. At least one centrifugal actuator includes an arm pivotally connected to one of the movable sheave and the housing of the fixed sheave at a first pivot axis. The arm pivots away from the one of the movable sheave and the housing about the first pivot axis as a speed of rotation of the drive pulley increases and pushes against another one of the movable sheave and the housing thereby moving the movable sheave axially toward the fixed sheave. The arm is movable relative to the first pivot axis by pivoting the at least one arm about a second pivot axis. The second pivot axis is offset from the first pivot axis.

Abstract: A front derailleur is basically provided with abuse member, a chain guide, a link mechanism and a cable guiding structure. The base member is fixedly coupled to a bicycle. The chain guide is configured to guide a chain. The link mechanism movably couples the chain guide to the base member between a retracted position and an extended position in response to movement of an operation cable. The link mechanism includes a cable attachment portion that is configured to be attached to the operation cable. The cable guiding structure guides the operation cable from the cable attachment portion. The cable guiding structure is disposed on at least one of the base member and the link mechanism. The cable guiding structure has a cable exit that is arranged such that the operation cable exits forwardly from the cable guiding structure towards the front of the bicycle.

Abstract: A front derailleur that includes a fixing member that is configured to be fixed to a bicycle frame, a chain guide movable between a retracted position and an extended position with respect to the fixing member, a linkage mechanism coupling the chain guide to the fixing member, and a biasing member that biases the chain guide toward one of the retracted position and the extended position. The linkage mechanism includes a first link member that is pivotable with respect to the fixing member about a first axis and is pivotable with respect to the chain guide about a second axis that is positioned above the first axis when the fixing member is fixed to the bicycle frame. The biasing member is coaxially arranged around the second axis.

Abstract: An internal combustion engine includes a cam chain chamber accommodating a cam chain and a chain guide guiding the cam chain. The engine also includes a chain tensioner including a case main body, a plunger sliding in the case main body, a coil spring biasing the chain guide against the cam chain via the plunger, interlocking teeth located on a surface of the plunger, and an engaging portion engaged with the interlocking teeth and configured to inhibit the plunger from moving in a direction away from the chain guide. The engine also includes oil supply passages in an inner wall of the cylinder head and an inner wall of the cylinder body and configured to supply oil to the chain tensioner.

Abstract: Provided is a chain guide that offers improved assembly efficiency by a more easily engageable interlock structure, operates more quietly by reducing noise caused by collision between mating parts and looseness of the shoe, and improves durability by reducing wear and fatigue of the mating parts. A lateral interlock structure formed by hole parts 121 and mating protrusions 161 restricts relative displacement of the base 110 and the shoe 150. An opposite interlock structure formed by a groove part 131 and mating protrusions 171 restricts relative displacement of the base 110 and the shoe 150 in the height direction. The mating protrusions 161 and 171 are elastic mating elements. The lateral interlock structure and the opposite interlock structure are a snap-fit joint in which a meshed state is achieved through elastic deformation of the mating protrusions 161 and 171 that occurs in a moving process during assembly.

Abstract: Disclosed herein is a method of manufacturing an endless belt, including the steps of: reacting a diamine monomer with a dianhydride monomer in a reactor filled with a conductive filler-dispersed liquid to obtain a reaction product, aging the reaction product and then discharging the aged reaction product from the reactor to prepare a semiconductive polyamic acid solution having a molecular weight distribution (Mw/Mn) of 1.3˜3.0 and a weight average molecular weight (Mw) of 30,000˜300,000; and applying the semiconductive polyamic acid solution to a seamless mold and completing an imidization reaction to obtain a polyimide film.

Abstract: A power transmission device for a hybrid vehicle includes a series-parallel type power transmission path capable of varying an engine output for each driving mode, using a Ravigneaux gear train and two or more clutches, to improve the fuel efficiency of the hybrid vehicle. The power transmission device includes two or more kinds of engine fixing gear stages capable of distributing the output of the engine to a driving wheel, which are implemented using the Ravigneaux gear train, in which a single pinion planetary gear is integrally configured with a double pinion planetary gear including a carrier obtained by combining two pinion gears with the two or more clutches.

Abstract: A transmission for a motor vehicle, having a transmission input shaft, to which a drive assembly can be coupled, having a transmission output shaft, to which an axle drive can be coupled, having numerous planetary gear sets disposed coaxially behind one another, and having numerous form-locking shift elements, wherein a first element of a first planetary gear set is permanently coupled to a first element of a second planetary gear set via a shiftable intermediate shaft between the transmission input shaft and the transmission output shaft, wherein an electric machine is permanently coupled to this intermediate shaft, wherein a second element of the second planetary gear set is permanently coupled to the transmission output shaft, wherein, in a first shifting setting of a first form-locking shift element, the transmission input shaft is coupled directly to the transmission output shaft, while in a second shifting setting of the first form-locking shift element, the transmission input shaft is coupled to a seco

Abstract: The present invention consists of the use of a control rotary actuator coupled to a worm gear mechanism for changing the transmission ratio by varying the speed of the crown of the epicyclic gear mechanism. The claimed CVT is characterized by a combined mechanical system with a low power motor, which serves as a positioner. The design of the present invention is based on the use of a rotary control actuator worm gear instead of traditional continuously variable transmission pulleys or the continuously variable toroidal transmission, in order to modify the transmission ratio by varying the speed of the epicyclic crown mechanism. This continuously variable transmission does not require any clutch to vary the gear ratio or transmission throughout its operating range.

Abstract: The description relates to a gearbox arrangement (4) with an internally toothed ring gear (7) and two spur gears (5, 14) which mesh with the latter and which engage with a common intermediate gear (15), wherein at least one of the spur gears (5) is connected to a shaft (6) so as to be fixed with respect to rotation relative to it. According to the invention, the working pressure angle between the spur gears (5, 14) and the ring gear (7) is at least approximately, i.e. about identical in size.

Abstract: A pinion shaft bearing arrangement including a pinion shaft, which is mounted by means of at least two rolling bearings in a pinion shaft housing, the pinion shaft bearing housing being a bearing cartridge, having running surface formed on the inner circumference for the rolling elements of the rolling bearings. The pinion shaft housing is sealed in the direction of the pinion shaft by means of a sealing element, and a first lubricant channel is provided in the region between the rolling bearings and a second lubricant channel is provided in the region in front of the sealing element.

Abstract: The first planetary gear set is configured to integrally rotate by a first clutch. The first element is coupled with the fifth element. The second element is configured to be locked through a first brake to a stationary section and configured to be coupled through a second clutch with the ninth element. The third element is coupled with the input shaft. The fourth element is configured to be coupled through a third clutch with the ninth element. The sixth element is locked to the stationary section. The seventh element is configured to be locked through a second brake to the stationary section. The eighth element is coupled with an output shaft. The ninth element is coupled with the twelfth element. The tenth element is configured to be coupled through a fourth clutch with the output shaft. The eleventh element is coupled with the input shaft.

Abstract: A roller device for a traction mechanism drive of a motor vehicle, with a roller element for introducing a torque provided via the traction mechanism and a driven shaft for driving an auxiliary unit. The roller device has a magnetic coupling for non-positive torque transfer between the roller element and the driven shaft. The magnetic coupling has a primary-side unit connected to the roller element with a primary magnetic element and a secondary-side unit connected to the driven shaft with a secondary-side magnetic element. The magnetic elements are permanent and/or electromagnetic elements. The non-positive torque transfer is realized by magnetic fields of the primary-side and secondary-side magnetic elements. At least one magnetic element of the two units for changing the magnetic field overlap of the magnetic fields of the primary-side and secondary-side magnetic elements is movably arranged within its unit. A corresponding traction mechanism drive and method are provided.

Abstract: Generally stated, various embodiments described herein concern a toroidal CVT provided with parking zones where the rollers are brought when the CVT is powered down. More specifically, a portion of the toroidal surfaces of the disks is reserved as a parking zone therefore preventing premature wear and/or damages to the working portion of the disks.

Abstract: In a toroidal variator a plurality of rolling elements (20,22) are in driving engagement with an input and output race (10, 14) at respective contact regions. Each rolling element (20, 22) is mounted on a carriage assembly (26) for rotation about a rolling axis, and is being free to pivot about a tilt axis, the tilt axis passing through the rolling element (20, 22) perpendicular to the rolling axis, and intersecting the rolling axis at a roller centre, whereby a change in the tilt axis causes a change in the variator ratio being the ratio of rotational speeds of the races. The tilt axis is arranged at an angle known as castor angle (see FIG. 4) to a plane (P) perpendicular to the variator axis (V). Each carriage assembly (26) can cause a movement of the rolling element (20, 22) with a component of rotation about a pitch axis (A, B). The pitch axis is defined as passing through the roller centre and through the contact regions.

Abstract: A multi-mode powertrain system includes a transmission configured to transfer torque among an internal combustion engine, torque machines and an output member. A method for controlling the powertrain system includes operating the multi-mode powertrain system to execute an engine intake manifold pump down mode, and aborting the engine intake manifold pump down mode and fueling the engine, wherein aborting is based upon intake manifold pressure and system constraints.

Abstract: In a hybrid transportation apparatus, a gas supply provides high-pressure hydrogen, which drives a turbine to generate first mechanical power and becomes medium-pressure hydrogen, which drives an air engine to generate second mechanical power and becomes low-pressure hydrogen. A fuel cell generates first electric power according to the low-pressure hydrogen. A heat recycling module recycles heat, which is generated by the fuel cell, to warm up the high-pressure hydrogen or the medium-pressure hydrogen. A generator receives the first mechanical power and generates second electric power. A motor generates third mechanical power according to the first and second electric power. A power output device causes movement of the transportation apparatus according to the second and third mechanical power. Thus, potential energy and chemical energy of the high-pressure hydrogen can be effectively utilized to generate the mechanical power and the electric power to move the transportation apparatus.

Abstract: The apparatus may include an engine configured to supply a drive torque to the vehicle. A first motor generator directly connected to the engine and generates electric power and supplies the drive torque to a transmission. A clutch is interposed between the first motor generator and the transmission and selectively transmits rotational power between the first motor generator and the transmission. A second motor generator is electrically connected to the first motor generator and generates electric power and supplies the drive torque to the transmission at all times. A battery supplies the electric power to the first and second motor generators and is charged by the first and second motor generators.

Abstract: A hybrid drive of a motor vehicle has an internal combustion engine, an electric machine, and a transmission. The transmission is a multi-stage shifting transmission including two subtransmissions, each of which has a separate input shaft and a common output shaft. The first input shaft of a first subtransmission can be coupled and decoupled to the internal combustion engine. The second input shaft of a second subtransmission is rigidly coupled to the electric machine. Both input shafts can be coupled selectively to the common output shaft via form-locking shift elements. The first input shaft can be attached to multiple clutches in such a way that when a first friction-locking or form-locking clutch and a second friction-locking clutch connected in series are both engaged, the internal combustion engine is coupled to the first input shaft and to the first subtransmission.

Abstract: A vehicle driving system in which a clutch is disposed between an engine output member and an automatic transmission and the clutch is used as a start clutch that is slip-controlled when a vehicle starts. When a lubricant relay valve is switched to the communicating position, oil from the pressure-regulating oil passage is supplied to the clutch via the input port, the output port, and the clutch lubricant passage. When the lubricant relay valve is switched to the cutoff position, the oil from the pressure-regulating oil passage is supplied to the clutch via the orifice and the clutch lubricant passage, the feedback pressure of the feedback port is increased, the communication rate between the pressure-regulating port and the back-pressure port is increased, and the amount of lubricant supplied from the back-pressure oil passage to the lubrication portion of the automatic transmission is increased.

Abstract: In a power transmission system, a ring gear of a first speed reducer and a ring gear of a second speed reducer are coupled to each other and have the same rotational axis. An engagement portion between the ring gear and a planetary gear is formed such that, when a first motor generates a rotational torque in the forward direction, a force acts on the ring gear in a direction approaching the second speed reducer in the rotational axis direction. An engagement portion between the ring gear and a planetary gear is formed such that, when a second motor generates a rotational torque in the forward direction, a force acts on the ring gear of the second speed reducer in a direction of approaching the first speed reducer in the rotational axis direction.

Abstract: A control device of an automatic transmission comprises a torque converter and a lock-up clutch which are arranged between an engine and an automatic transmission; and an up-shift control means that, when an up-shift is required with an accelerator pedal kept depressed by a driver, lowers an engaging capacity of releasing side engaging elements engaged at a speed stage before a gear shifting and then increases an engaging capacity of engaging side engaging elements engaged at a speed stage after the gear shifting thereby to establish a power-on up-shift, wherein the up-shift control means is configured in that when the acceleration pedal is released from the driver during the time when the power-on up-shift is being carried out, the power-on up-shift is continued while lowering the engaging capacity of the lock-up clutch.

Abstract: In a drive control device in a drive system including a four joint link mechanism type continuously variable transmission having a one-way clutch (OWC) which can transmit only power from a power source to driving wheels, the drive control device is configured to limit a transmission ratio or an output of the power source when an output speed of the continuously variable transmission is lower than a threshold value. The threshold value is represented as an output speed of the continuously variable transmission at an intersection point of a line that represents an output torque where a maximum driving force is achieved and a line that represents a torque outputted when a swing angle of an input member of the OWC which converts rotational power from the power source into swing power becomes a maximum torsion angle.

Abstract: The invention relates to a gearbox having a sensing device (109) for sensing a torque which acts on a drive shaft (101), an output shaft (102) or a shaft which can be driven by the drive shaft (101). The sensing device (109) is electrically connected to an integrated energy-generating device. A rotor (192), which is arranged inside the gearbox housing (103) and connected in a rotationally fixed fashion to a shaft which can be driven by the drive shaft (101), is assigned to the energy-generating device. A bearing (194), which is secured by a housing lid (193), is assigned to this shaft. The housing lid (193) surrounds the rotor (192) in this context. The energy-generating device is assigned a stator (191) which is mounted on the housing lid (193) within the gearbox housing (103).

Abstract: A device for controlling an automatic transmission includes: a position detection means for detecting a shift position; a vehicle speed detection means for detecting a vehicle speed; a rotation frequency detection means for detecting an input rotation frequency of the automatic transmission; and a control means for, when the shift position has been switched from a parking position or a neutral position to a driving position, making a determination about switching from stopped-state control to running-state control based on the vehicle speed after a physical amount indicating a state of the automatic transmission becomes equal to or larger than a predetermined value, the stopped-state control being control for a hydraulic pressure supplied to engaging elements based on the input rotation frequency of the automatic transmission, and the running-state control being control for the hydraulic pressure supplied to the engaging elements without using the input rotation frequency of the automatic transmission.

Abstract: A stepping exerciser includes a lower main body and an upper main body. The lower main body includes a bottom board. The bottom board has a lower resilient portion extending upward. The upper main body includes a top board. The top board has an upper resilient portion extending downward. The two ends of the upper resilient portion and the lower resilient portion are pivoted by shaft members to form an oval shape. The user can use one or two stepping exerciser as desired. When in use, the user wears the stepping exerciser to jump and step for exercise or amusement. This is beneficial for promoting gastrointestinal peristalsis and digesting.

Abstract: A novel exercise and sporting apparatus with improved safety features is disclosed. In preferred embodiments, the apparatus comprises: a first resilient arched member having two opposite end zones, and being configured to securely engage with a foot receiving member; a second resilient arched member having two opposite end zones, and being configured to contact a ground surface; a connection element being configured to connect an end zone of the first resilient arched member with an end zone of the second resilient arched member, and a rotation-opposing assembly extending from the connection element toward a ground surface, the rotation-opposing assembly being configured to limit an amount of rotational motion of the apparatus.

Abstract: Disclosed is an adjustable weighted exercise apparatus which in one implementation may include a base frame assembly attachable to a strap assembly for connection to a user, the base frame assembly including a base frame; a weight support member connected to the base frame and disposed to maintain a weight at a distance from the user. In some implementations, the weight support member may be further connected to at least one support bar connected to the base frame. A method hereof may include enhancing exercise of a body including disposing a weight at a distance from a user's body; and, exercising the user's body.

Abstract: An adjustable dumbbell system includes a handle including a grip, two hanging rods at two ends of the grip and multiple through holes at each hanging rod, multiple weights, each weight defining an elongated top slot and a bottom opening and having a scissor hook mounted therein, the scissor hook including a hook unit, an actuation unit drivable by an external force to open or close the hook unit and elastic members adapted to hold the hook unit in the close position, a holder base for accommodating the weights, and a selector including multiple control units that are attached to the bottom openings of the weights when the weights are accommodated in the holder base and a selector rotatable to move the control units in driving the actuation units of the scissor hooks of the weight to open or se the hook units of the respective scissor hooks.

Abstract: An exercise system or kit that includes separate components that can be used together during a workout. In one embodiment, the exercise system includes a cylindrical body, an elongated bar, and one or more resistance bands. The elongated bar may be a one-piece bar or a multi-piece bar. The cylindrical body extends along a longitudinal axis and has an annular groove formed into its outer surface that surrounds the longitudinal axis and a bore extending through the cylindrical body in the direction of the longitudinal axis. The dimensions of the bar, the groove, and the bore are such that the bar can be inserted into and through the bore and the bar can be positioned within the annular groove to achieve different types of exercise. Furthermore, the resistance bands can be coupled to the elongated bar.

Abstract: The WalkBuddy is the world's answer to a total fitness work out. Simple simultaneous movement while holding the WalkBuddy and walking, running, sitting or standing you can achieve an improvement in posture, muscle tone, reduce inches from your body and increase heart rate causing fat burning results. Shaped like a handle bar from your favorite bike, the WalkBuddy comes in four different sizes (Mini, Small, Medium, Large). Bar tubing is made from Poly Ethylene and covered with Neoprene Mesh. The WalkBuddy is cored with Water/Sand weight used to enhance your work out. Each devise contain a high-density non slip surface enhancing the users grip making it easier to grasp. Anyone can do it from young to elderly you can achieve great results.

Abstract: The present invention is a gimbled push-up bar assembly mounted upon a rotatable hinge, thereby providing instability in three dimensions for which a user will have to compensate in use. The bar may be locked into two dimensions by the use of a lock pin, or may freely move in all three dimensions. Handgrips are provided which are bent downwards to provide guards for a user's hands when in the free-motion configuration. The bar itself is removable from the hinge and stand assembly and may be used as a stable push-up bar assembly, resting on the guards.

Abstract: The present invention relates to a tool change device, which comprises: a base, being arranged for enabling the same to move reciprocatingly between a first position and a second position; a guiding block, formed with a first engaging part and a second engaging part that are serially connected to each other; a lever, formed with a pivot point, a first end and a second end that are arranged opposite to each other while allowing the pivot point to be arranged therebetween; and a spindle, configured with a drive mechanism to be used for connecting the spindle to a tool, being disposed mounting on the base for allowing the same to move in synchronization with the reciprocating movement of the base; wherein, the lever is pivotally coupled to the base by the pivot point thereof for enabling the lever to move in synchronization with the reciprocating movement of the base.

Abstract: A roll-to-roll press device includes an unreeling shaft, a pressing unit, a reeling shaft, and a tension controller. The unreeling shaft unreels substrate film reeled thereon. The pressing unit presses the substrate film to print microstructures on the substrate film. The reeling shaft reels the pressed substrate film thereon. The tension controller adjusts a tension of the substrate film according to a thickness of a coil of the substrate film on the reeling shaft.

Abstract: A centrifuge including: a rotary chamber; a rotor installed in the rotary chamber; a driving unit configured to rotate the rotor; a chamber accommodating the rotary chamber, having a door, and configured to house gas therein; and a vacuum pump apparatus configured to exhaust the gas inside the chamber to an outside of the chamber, wherein the chamber is provided with a plurality of gas inlets and a plurality of valves configured to respectively open and close the gas inlets, and wherein all of the plurality of valves are configured to be opened when bringing an internal pressure of the chamber to atmospheric pressure.

Abstract: The present invention relates to a laboratory centrifuge having a cooling device which comprises a compressor enclosed by a compressor housing, with the compressor housing, in the region of the compressor head, being at least regionally provided with a damping material which is capable of absorbing vibrations in the range from 20 Hz to 100 Hz.