Abstract: A meat grill installation for preparing large quantities of meat, and a method of preparing such large quantities of meat. Embodiments of the meat installation comprise various features, including a detachable horizontal cylindrical carrier comprising a series of meat fixators, a motor, heaters, at least two position adapters for maintaining each individual heater at a predetermined distance from the cylindrical carrier, at least one temperature sensor, a conveyer belt located underneath the cylindrical carrier for receiving and transporting heated meat, a cutter for removing a slice of a predetermined thickness of meat from the detachable cylindrical carrier, and at least one controller for driving the motor, for maintaining and/or adapting a temperature of each individual heater, for driving the at least two position adapters, for receiving the sensor output, for providing feedback to at least one heater, and for controlling thickness of slices of meat.

Abstract: In an exemplary embodiment, a blade portion 41 is formed by a plurality of blades 42 being arrayed on a front surface of a main body at an even interval while forming blade striation portions 43 between adjacent blades 42. Each blade 42 is cut into a circular-arc shape. A pitch between the blades 42 is in a range of 1 to 3 mm. A recess-portion apex composed of a cut surface of each blade 42 has a rounded shape with a radius of 1.0 to 3.0 mm. A protrusion-portion apex of the blade striation portion 43 has a rounded shape with a radius of 0.1 to 0.5 mm. A tip of the blade 42 formed by the blade striation portion 43 has a rounded shape with a radius of 0.1 to 0.5 mm.

Abstract: An agricultural product peeling apparatus includes an alignment supply unit, a peeling unit, and a plurality of urging plates. The alignment supply unit aligns and supplies agricultural product such as potatoes. The peeling unit includes a pair of parallel rotary members with a cutting body on their outer surfaces and peels with the cutting body the agricultural products, sequentially supplied from the alignment supply unit to a convey path formed between the rotary members. The urging plates move the agricultural products supplied to the start side of the convey path to the end side of the convey path.

Abstract: The present invention is related to a device and method for dispensing dual component liquids or concentrates packaged in separate containers to provide protection from effects such as oxidation and moisture loss. The liquids or concentrates can be dispensed through a pumping system, preferably including a peristaltic pump, mixed together, and optionally diluted with another liquid, such as water, to provide a consumable beverage. In addition, the device of the present invention can dispense liquids or concentrates having different viscosities, such that they are mixed together in the proper ratio.

Abstract: A fruit and vegetable peeler which is suitably used in general homes for peeling a small amount of fruits and vegetables, which is small-sized and light-weight, and which is further convenient in carrying and storage. A pair of clamp members are supported by a housing to lie in opposed relation, and a handle is fixed to a handle shaft extended externally of the housing. The housing accommodates a speed increasing gear mechanism for transmitting rotation of the handle shaft to a cup-shaped rotating blade, a transmission gear mechanism for transmitting the rotation of the handle shaft to the rotary shaft of the clamp member, and a rotating-blade swinging mechanism for converting the rotation of the handle shaft into a swing motion of the rotating blade along the circumference of a fruit/vegetable.

Abstract: A coconut shredding/grating apparatus for allowing a user to shred and grate a coconut. The coconut shredding/grating apparatus includes a base member including main base portion having top and bottom sides; and also includes a housing being mounted upon the top side of the base member and having front, rear and side walls, and also having a hole being disposed through the front wall; and further includes a coconut shredding assembly including a motor being disposed in the housing and having a motor shaft, and also including a control assembly for energizing and operating the motor, and further including a coconut shredding member being detachably connected to the motor shaft for rotation therewith; and also includes a coconut support assembly including a coconut support member being removably secured upon the base member; and further includes a tray being removably disposed upon the base member for receiving shredded and grated coconut.

Abstract: The invention is an automated peeler for peeling vegetables or fruit. The peeler includes a split axle support for securing and rotating an object to be peeled within a frame, and a peeling blade supported on an articulating peeler blade mount secured through a blade arm to a peeler support. As the peeler support is driven along a peeler carriage, a torsion drive forces the peeler blade against the rotating object. The articulating peeler blade mount permits the peeling blade to track an irregular surface of a vegetable such as a butternut squash. The peeling blade comprises an arcuate cutting surface having at least one blade tip extending above a throughbore defined in the surface of the peeling blade so that a peel of the object passes through the throughbore defined in the peeling blade.

Abstract: The kitchen peeling tool which includes a clip type controlling handle bar having an upper and a lower shanks pivoted to it, a blade holder, and an direction turning mechanism for fruits of various sizes to be inserted in. The upper shank is detachably coupled with the blade holder, while the lower shank is screw combined to the all direction turning mechanism turnable in all directions thereby peeling the fruit smoothly and finely with the blade closely touching on the surface of the fruit.

Abstract: A hand crank driven fruit and vegetable peeler for peeling away an outer portion of a fruit or vegetable. An arbor is detachably mounted in the hand crank for rotating a fruit or vegetable against a sharp cutting blade. The cutting blade is mounted in the end of a slender member which is pivotally and slidably mounted to a base. During peeling, the fruit or vegetable is manually rotated with the crank as the blade is traversed across an outer portion of the fruit or vegetable.

Abstract: A fruit and vegetable peeler which is driven by a small rotary power tool. An arbor is detachably mounted in the power tool for rotating a fruit or vegetable against a sharp cutting blade. The cutting blade is positioned relative to the fruit or vegetable by a steady rest on the handle. The blade has a narrow elongated front cutting portion and a spaced apart narrow elongated rear portion which pivotally attached to the handle. During the peeling of the fruit or vegetable, the steady rest maintains the position of the blade relative to the fruit or vegetable. In a first aspect of the invention, the steady rest is an integral portion of the handle and has a fixed spatial relationship to the blade. In a second aspect, the steady rest is attached to the handle and its position on the handle is selectively adjustable to accommodate large differences in the size and shape of fruits or vegetables. In a third aspect, a pair of blades and steady rests are provided on a common handle.

Abstract: A fruit and vegetable peeler having a blade mounted on a handle and a handle for supporting and traversing the blade along an outer surface of a fruit or a vegetable. The handle has a steady rest for maintaining the position of the blade relative to the fruit or vegetable. The blade has a narrow elongated front cutting portion, a narrow elongated spaced apart rear portion and short connecting end portions for attaching the blade to the handle. In a first aspect of the invention, the steady rest is an integral portion of the handle and has a fixed spatial relationship to the blade. In a second aspect, the steady rest is attached to the handle and its position on the handle is selectively adjustable to accommodate large differences in the size and shape of fruits or vegetables. In a third aspect, a pair of blades and steady rests are provided on a common handle.

Abstract: A spiral meat slicing apparatus and method having a lower meat support assembly including a rotatively driven lower shaft and an upstanding lower spike for receiving the major longitudinal end of a cut of boneless meat, the lower spike being carried by the lower shaft. An upper meat support assembly is provided and includes a rotatively driven, vertically adjustable upper shaft and an upper spike for receiving the minor longitudinal end of a cut of boneless meat, the upper spike being carried by the upper shaft. The upper spike is in coaxial alignment with the lower upstanding spike to thereby define an axis of rotation for a cut of boneless meat supported therebetween. A vertically indexable knife is positioned relative to the axis of rotation so as to enable a continuous spiral cut to be made therein.

Abstract: By providing fruit processing apparatus comprising rotatable movement control members and a U-shaped cutting blade cooperatively associated therewith, high speed, efficient and automatic removal of skins and seeds from a fruit segment is efficiently achieved. The rotatable movement control members receive the fruit segment with the cutting blade positioned along the junction between the skin and the edible fruit portion. Then, the fruit segment is arcuately pivoted, causing the blade to pass between the juncture surface, completely separating the skin from the fruit. If desired, a seed sack removal member is also employed for removing and separating the seeds from the edible fruit.

Abstract: An implement for holding and/or coring vegetables and fruits, during the preparation of the vegetables and fruits, includes a shaft for impaling a vegetable or fruit while the vegetable or fruit is peeled, sliced, etc., and a handle for holding the implement and coring a vegetable or fruit. The shaft has an external surface with projecting ribs along the length of the shaft for retaining an impaled vegetable or fruit on the shaft while the vegetable or fruit is being prepared and preferably, is made of a polymeric material to help keep cutting instruments from being dulled by contact with the shaft during use. The handle has projections on either side of the shaft for penetrating a vegetable or fruit to keep the vegetable or fruit from rotating when being held on the shaft and a pair of diametrically opposed blades, for coring a vegetable or fruit, which are spaced from each other to define a space therebetween for containing a core when the handle is being used to core a vegetable or fruit.

Abstract: A spiral meat slicing apparatus and method having a lower meat support assembly including a rotatively driven lower shaft and an upstanding lower spike for receiving the major longitudinal end of a cut of boneless meat, the lower spike being carried by the lower shaft. An upper meat support assembly is provided and includes a rotatively driven, vertically adjustable upper shaft and an upper spike for receiving the minor longitudinal end of a cut of boneless meat, the upper spike being carried by the upper shaft. The upper spike is in coaxial alignment with the lower upstanding spike to thereby define an axis of rotation for a cut of boneless meat supported therebetween. A vertically indexable knife is positioned relative to the axis of rotation so as to enable a continuous spiral cut to be made therein.

Abstract: A peeling machine is disclosed for peeling various fruits and vegetables. The peeling machine includes a lower holding assembly and an upper holding assembly rotatably coupled to a frame for securing and rotating a fruit or vegetable to be peeled. An air cylinder acts to push the lower assembly towards the upper holding assembly, in the process securing the fruit or vegetable between the upper and lower holding assemblies. A carriage assembly, which is configured to move vertically, is movably coupled to the frame, the carriage assembly containing a cutting assembly coupled to the end of a second air cylinder. The extension of the second air cylinder acts to push the cutting assembly towards the fruit as the carriage assembly moves upwards, as a result peeling the rind from the fruit or vegetable.

Abstract: An apparatus for removing skin from a convex surface of a section of fruit. The apparatus includes a curved peeling blade which presents a concave peeling surface to the convex surface of the section of fruit and a drive gear wheel in mesh with an idler gear wheel. Each wheel has a concentric outwardly extending fruit gripping portion which are profiled such that in combination they conform to the curved peeling blade. When the drive wheel is driven and the wheels are rotating, the fruit gripping portions grip a section of fruit and urge the section of fruit past the peeling blade so as to remove the skin from the fruit.

Abstract: A method and apparatus for peeling a variety of fruits and vegetables wherein a sharp blade is traversed and rotated in a continuous or intermittent manner across a rotating fruit or vegetable. In a first aspect of the invention, the fruit or vegetable is mounted on a slender arbor which cooperates with a pair of surfaces to rotate and constrain the fruit or vegetable with respect to the peeling blade. The arbor is manually rotated with one hand of a user as an opposite hand controlled peeling blade is traversed from side to side and rotated to engage center and end portions of the peeling blade with the fruit or vegetable. In a second aspect of the invention, the arbor is driven by a small electric motor, a small kitchen appliance, such as an electric can opener or mixer, or a small kitchen appliance such as a mixer which cooperates with the arbor to constrain and rotate the fruit or vegetable with respect to the peeling blade.

Abstract: A rotary root vegetable slicer that is reliably held at an installed position even when water enters into the lower surface of the bed plate, and can be easily removed from the installed position. The rotary root vegetable slicer (1) includes a bed plate (2) of a nearly square shape as viewed on a plane, a blade-mounting member (5) erected at an end of the bed plate (2) for detachably mounting a plane blade (3) and a comb blade (4), a rotary piece-mounting member (6 ) on a portion on the other side of the bed plate (2) opposed to the blade-mounting member (5) so as to slide along the lengthwise direction of the bed plate (2), and a rotary piece (8) having many needle-like protrusions (7) arranged on the front surface thereof at an upper part of the rotary piece-mounting member (6) so as to rotate.

Abstract: The machine for peeling vegetables and fruits has a hollow base. A vertical pole projects upwardly from the hollow base. A threaded rod extends vertically within the vertical pole and is driven into rotation by a handle. The vegetable or fruit to be peeled is held between a support pin rod having one end slidably mounted onto the vertical pole and a remove end which is located at a distance away from the vertical pole, and a support axle rotatably mounted about a vertical axis on top of the hollow base. A set of gears is mounted within the hollow base and connected to the bottom end of the threaded rod and to the support axle so as to drive the support axle into rotation when the handle is rotated.

Abstract: A processing apparatus and method for removing rind from a spheroidal food article, such as a melon is provided. The apparatus includes infeed and outfeed componentry for conveying melons to be processed into and out of the apparatus, providing an apparatus well suited for use in an automated environment. The infeed componentry includes a positioning device for positioning a melon to be processed between revolving mandrels, for achieving a desired orientation of the melon relative to the mandrels. The mandrels retain the melon on its axis and revolve the melon on its equator. Knife members are positioned on either side of the melon and aligned with the equator thereof when the melon is in an initial position. The knife members have detachable blades to accommodate rinds of different thicknesses, so that the blades extend through the rind, without extending into the flesh. Rollers are secured to the knife members to control the cutting depth of the blades and to enhance the ease with which the rind is cut.

Abstract: A peeling device includes a base in which a motor is disposed and two ends portions extend from the base wherein a transmitting device is disposed in one of the end portions and is actuated by the motor, a first lead screw rotatably supported between the two end portions and driven by the transmitting device, a movable member movably and threadedly engaged with the first lead screw and a knife disposed to the movable member, a first fork member extending from one of the end portions and mechanically connected to the transmitting device and a second fork member adjustably disposed to the other end portion such that an object to be peeled by the knife is securely positioned between the first and second fork members.

Abstract: A peeling head is provided for use in a peeling machine wherein a fruit or vegetable (such as an apple or pear) is skewered and rotated about an axis and wherein at least one elongated pivotable shaft housing with a rotary peeling cutter mounted on its distal end articulates to move the rotary peeling cutter around the surface of the fruit or vegetable. The peeling head has a plastic guard carried at the distal end of the shaft housing, and a ceramic tracing shoe insert carried by the plastic guard wherein the ceramic tracing shoe insert has a peel string guide which constantly urges the peel string in the proper direction in order to facilitate breaking of the peel string.

Abstract: The machine possesses a bed (101) on which is provided a central shaft or turret (105), having an intermittent rotary motion, on the periphery of which are provided six operating positions, two feed operating positions A, diametrally opposite, with which are associated respective hoppers (113) equipped with means for individual entrainment for the fruit (107), means being provided at each of these feed operating positions for the translatory movement of the fruit towards a clamp associated with the centra rotary shaft (105), which clamp entrains the fruit to a second operating position B, where the fruit is peeled by means of two sets of knives (156), each set of knives being actuated by an electric motor (164), and the fruit then passing into a third and final operating position C, within each group, at which the operation of cutting the residual polar caps resulting from the prior cutting operation is completed, specifically with the participation of two large horizontal discoidal knives (175) capable of pi

Abstract: A lightweight peeling head is provided in which a plastic guard body cooperates with a rotary peeling cutter for determining the depth of cut made by the cutter wherein a ceramic wear resistant tracing shoe insert is formed in the plastic guard body. The ceramic tracing shoe rides against the surface of the fruit, for example apples, as the fruit is being peeled. A chip breaker is provided having a pair of teeth wherein each tooth has a positive rake relative to the direction of travel of the peel string and wherein each tooth has a positive attack angle whereby the peel string is driven towards the base of the teeth as the peel string is being cut by said tooth.

Abstract: In an appliance for peeling fruit and vegetables, the appliance comprising an electric motor (1) driving a rotor (2) inside a cover (6), the axis of rotation (21) of the rotor being perpendicular to the surface to be peeled, and the rotor being loosely or pivotally mounted on the axis of rotation and being driven at a speed such that the tangential speed of the blades (16) carried by the rotor is at least equal to 7 meters per second.

Abstract: A citrus fruit segmenter which uses a slicing lever mounted with a blade which is attached to the sidewalls of a frame by another pair of levers. The slicing lever with the blade nudges a resiliently biased crank lever which intermittently rotates a ratchet wheel upon which a cup is mounted to carry a half of grapefruit or large orange. The crank lever has a tooth element designed to engage the toothed ratchet wheel and to retract when working against a locking pawl. The tooth element is also resiliently biased. The resilient biasing of the crank lever and the toothed element are accomplished by corrosion-resistant "O" rings. All of the elements of the device are made of corrosion-resistant material. The blade is made of stainless steel, the frame and levers are made of synthetic resinous material.

Abstract: This invention concerns a peeling machine for stripping skin and other unedible portions from a fruit or vegetables, more particularly, a peeling machine which can be used effectively for peeling an object which has a soft layer between an outer skin and flesh. This invention is based on a finding that a blade is generally imparted with a better incisive quality when it is pressed against an object and moved in the direction of its cutting edge, as compared with a case where it is simply pressed against the object. Namely, according to the invention, a cup-shaped rotary blade with a cutting edge along the brim of a cup-shaped body is put in rotation and moved along the profile of a fruit or vegetable.

Abstract: Peeler for a product (P), such as a fruit or vegetable, using a rotating tool moved in relation to the product so as to explore the surface of the latter and mark on it successive parallel turns, characterized in that the said tool is in the form of a vertical cutter (T) and comprises a part of revolution (1) of small diameter and a small number of teeth, whether cutting teeth or not, forming projections (2), this tool (T) being driven in rotation about its axis (AT) at a high speed and in such a direction (S) that the said projections (2) engage the skin of the product from below, starting from the adjacent turn already peeled.

Abstract: An automated portable cutting machine for severing kernels from ears of corn and which includes adjustable cob supporting spindles which rotatably support the ear of corn relative to an adjustable cutting element which is longitudinally moved with respect thereto by manual operation of a tracking element with a power shaft driven by the drive source for the rotatable spindles.

Abstract: A vegetable and fruit slicing apparatus including a member for rotating an object to be sliced about the axis of the object, a cutter blade, a mechanism for moving the cutter blade. The moving mechanism moves the cutter blade along a path oblique to the rotational axis of the object, thereby enabling the object to be sliced in such a manner that only a conical or truncated-conical core remains unsliced.

Abstract: A rotary live knife assembly includes a directionally biased shaft housing with a rotary peeling cutter mounted on a shaft within the housing, a chip breaker also mounted on the shaft and a guard on the shaft housing for adjusting the depth of cut made by the cutter into a piece of fruit during a peeling operation. The guard is positively positioned on the shaft housing relative to the direction of shaft housing bias and the guard has a peel shearing surface facing upstanding blades of the chip breaker to sever removed peelings into small pieces by a scissor-like action.

Abstract: A spiral meat slicer is provided particularly for slicing ham, wherein a ham is mounted vertically on a slowly rotating spiked platform. A rotating, substantially horizontal disk blade is pivotally mounted on the meat slicer to permit the blade to be biased by spring means toward and into the ham to spirally cut the ham to the bone. A non-rotating arm is carried in bearings below the spiked platform, this arm reaching up above the ham and containing a spiked, rotatable top support that is pressed into the top portion of the ham to steady the ham against pressure of the cutting blade. The spiked platform is mounted on a vertical lead screw, that causes the ham to be lowered steadily as the ham rotates to produce a spiral cut around the ham bone. The weight of the ham aids in moving the ham down steadily, permitting the ham to be automatically sliced substantially from one end to the other, including around the aitch bone without requiring manual manipulation.

Abstract: A spiral meat slicer is provided which operates to form a continuous spiral slice on a piece of meat such as a ham or roast which has a central bone structure of non-uniform diameter. Included in the slicer is an improved elevator and oscillator which provide the necessary cutting action in a manner to avoid unnecessary vibration and further permits ready access for servicing as well as increased durability.

Abstract: A coconut shredder and cutter apparatus comprises a housing having therein a coconut cutting and shredding compartment with a removable tray bottom, and a transparent cover for the compartment. A motor driven shaft extends into one end of the compartment on which a shredder blade or coconut holder may be selectively mounted for shredding and cutting operations, respectively. During shredding, a coconut half section is supported by a coconut holder mounted on the inner end of a manually manipulable holder mount supported for axial, radial and pivotal movement with respect to the shredder blade which is then mounted on the motor shaft. The coconut half section is manipulated by the operator to bring portions of the meat in the coconut section into engagement with the rotating shredder blade thereby to effect removal of the meat from the coconut shell.

Abstract: A spiral meat slicer or ham slicer is disclosed in which a rotating circular or disk like blade is brought into contact with a rotating ham for the purpose of slicing the ham. Means are provided for causing the blade to be moved axially in relation to the axis of the ham, and for canting the axis of rotation of the blade slightly in relation to the axis of rotation of the ham, whereby to form a single continuous spiral slice from the whole ham. Means are also provided for preventing exposure of the blade when not in use, whereby to avoid injury to the operator of the slicer and others. Additional means are also provided for stabilizing the operation of the cutter or slicer unit, whereby greater efficiency in operation and use of the device, as well as an improved product, is attained.

Abstract: Apparatus for spirally slicing a cut of meat such as a ham or the like. The meat is retained in a substantially vertical position by means of upper and lower skewers. The lower skewers are powered thus providing for rotation of the cut of meat along a substantially vertical axis. A rotary circular cutting blade is supported by an arm which is generally movable about a vertical axis. A carriage imparts vertical movement to the arm and blade. When the rotary blade is brought into contact with the rotating cut of meat it is caused to be advanced along the axis of rotation of the meat thereby to form a continuous spiral slice in the meat. Sensing and control means are provided limiting both the horizontal and vertical movement of the blade to enable the cut of meat to be sliced about an internal bone.

Abstract: A spiral meat slicer is provided which will form a continuous spiral slice on a piece of meat such as a ham which has a center bone structure which includes a crooked bone of non-uniform diameter.

Abstract: An improved cutting head for a mechanical vegetable and fruit peeling machine, and a machine incorporating the cutting head. The cutting head has an elongated body with means on the body for pivotably connecting it to means on the peeling machine which move the head. The pivot connecting means are located intermediate the ends of the body. A cutting member is mounted on one side of the body with respect to the pivot connection. A portion of the cutting member is spaced outwardly from the side of the body. Preferably, the cutting edge of the cutting portion is aligned with the axis of the pivot connection in a plane which is generally perpendicular to the length of the body. Guide means positioned on the other side of the body forwardly of the cutting member guides the cutting edge at a desired depth when peeling a vegetable.

Abstract: A method and machine for processing pineapples by sequentially drilling a central hole, cutting off the upper end, transferring the pineapple to a peeling spindle, indexing the pineapple on the spindle through a series of peeling stations, cutting off the bottom end, rotating the spindle a single turn at each peeling station adjacent an array of rotating cutters to remove spaced bands from the outer surface of the pineapple while maintaining the original ovoid shape of the pineapple, pushing the peeled pineapple through a rotating circular knife to form the pineapple into a cylinder and an outer blanket, and removing the remaining fibrous core prior to discharge. The outer blanket, frequently termed the "crush blanket", is useful as such rather than as merely a source of juice.

Abstract: A method and machine for processing pineapples by sequentially drilling a central hole, cutting off the upper end, transferring the pineapple to a peelng spindle, indexing the pineapple on the spindle through a series of peeling stations, cutting off the bottom end, rotating the spindle a single turn at each peeling station adjacent an array of rotating cutters to remove spaced bands from the outer surface of the pineapple while maintaining the original ovoid shape of the pineapple, pushing the peeled pineapple through a rotating circular knife to form the pineapple into a cylinder and an outer blanket, and removing the remaining fibrous core prior to discharge. The outer blanket, frequently termed the "crush blanket", is useful as such rather than as merely a source of juice.

Abstract: A method for processing pineapples by sequentially drilling a central hole, cutting off the upper end, transferring the pineapple to a peeling spindle, indexing the pineapple on the spindle through a series of peeling stations, cutting off the bottom end, rotating the spindle a single turn at each peeling station adjacent an array of rotating cutters to remove spaced bands from the outer surface of the pineapple while maintaining the original ovoid shape of the pineapple, pushing the peeled pineapple through a rotating circular knife to form the pineapple into a cylinder and an outer blanket, and removing the remaining fibrous core prior to discharge.

Abstract: A spiral meat slicer is provided which will form a continuous spiral slice on a piece of meat such as a ham which has a center bone structure which includes a crooked bone of non-uniform diameter. The spiral meat slicer includes an improved reciprocating knife structure.

Abstract: An apparatus is provided, in which a vegetable is rotated whereas a blade is reciprocated under pressure on the vegetable, to form a tape-like flesh which is used for various kinds of dishes.

Abstract: A spiral meat slicer especially for cutting ham, wherein the ham is mounted vertically on a spiked platform which slowly revolves. A rotating disk blade is brought into engagement with the periphery of the ham to cut the ham to the bone. The blade support is mounted on a lead screw so that the blade steadily rises as the ham rotates. Thus an unbroken spiral cut of ham is produced. In order to permit selective manual control when cutting around the aitch bone, a manually manipulatable arm is provided, by which the blade may be selectively moved toward and away from the rotative axis of the ham. Once the aitch bone has been cleared, the arm is detented into an extreme position and thereafter the blade is automatically biased toward the ham with a predetermined spring force, by means of a biasing spring.