Abstract: A cruise control for a vehicle having a mounted rotatable accelerator sleeve and throttle housing which is mounted to a handlebar. The cruise control mounts entirely to the accelerator sleeve and rotates in perfect unity with the throttle when it is rotated. The cruise control is mounted between the throttle housing and the rubber/plastic grip's inner end, directly onto the accelerator sleeve. When the single button of the cruise control is pressed, the cruise control engages and uses friction against the surface of the throttle housing to hold the throttle in place. The operator can force the throttle to rotate by overpowering the friction caused by the cruise control, or preferably, they can disengage the cruise control by pressing the single button again, resetting the cruise control to be engaged again by pressing the single button.

Abstract: A string clamping device of a threading machine for a racket contains: a clamp unit, a tightening unit, an adjustment disc, a connection column, and a fixing structure. The clamp unit includes a body, a locking seat, and two first springs. The body has multiple first paws, the locking seat has multiple second paws, and among the multiple first and second paws is defined a gap of the clamp unit. The tightening unit includes an abutting block and an operation handle, the body has a first protrusion with a first through orifice, and the adjustment disc includes multiple teeth, wherein between any two adjacent teeth is defined a recess. The fixing structure includes an affix member, a coupling shaft, a second spring, a screwing element, and a support part, wherein the affix member has a retaining portion, and the second spring contacts with a drive tab of the support part.

Abstract: A closing actuator for a sheet material clamp has a first threaded orifice in a lower clamping jaw with a threaded interior wall, a second non-threaded orifice formed in an upper clamping jaw which has a retention groove formed around the non-threaded interior wall; and an actuating screw with a retention shoulder formed between the head and the threaded shank, such that the threaded shank mates with the threaded first orifice in the lower clamping jaw and the retention shoulder snaps into the retention groove, thereby capturing the actuating screw in the upper clamping jaw when threaded into the lower clamping jaw. The second orifice may be a slotted or oval shape to allow the actuating screw to pass through the upper jaw at an angle other than perpendicularly to the upper jaw as the jaws assume various angles of relationship to each other during clamp closing and opening.

Abstract: A clamping device for attaching or holding a sheet material has an upper clamping surface on an upper jaw with a series of protuberances formed with at least a curved shape about a center of a sheet material clamp, and a lower clamping surface on a lower jaw member having a series of protuberances which mate with the upper clamping surface protuberances in a nesting manner, such that closing of the sheet material clamp brings the upper clamping surface and the lower clamping surfaces into a nesting juxtapositioned position, thereby capturing a sheet material between the surfaces using compression or crimping. The pattern of protuberances may be concentric circular protuberances, other closed geometric protuberances, or semi-circular with rounded or tapered ends to avoid presentation of a sharp edge to a clamped sheet material.

Abstract: A poster clamp (1) comprising first and second members (3, 5), the members (3, 5) comprising first and second gripping surfaces (7), respectively, for gripping opposing sides of a poster or a like, and a poster mounting system comprising a hoarding (208) and a plurality of such clamps (1), and a wire (210) on which the clamps (1) are to be mounted for tightening a poster within the frame of the hoarding (208).

Abstract: The present invention relates to a pacifier clip, which comprises a base sheet, a mobile clipping member, a pulling member and a tying tool. When the pulling member is pulled, in the rotating motion, an angled flange of the pulling member utilizes an eccentric action to optionally allow an angled part or an inclined cutting plane of the angled flange to be abutted against or adjacent to an oblique support arm of the mobile clipping member, so a passive sheet of the mobile clipping member is downwardly moved or upwardly raised, and tooth rows of the passive sheet and tooth lines of the base sheet are engaged for forming a clipping status or forming a gap in between for forming a releasing status.

Abstract: A structure for quickly clipping an advertising curtain includes a first frame, a second frame secured to the first frame so as to form a guide-groove space and a clipping space and at least a fastener arranged in the guide-groove space, wherein the fastener includes a first connecting part and a second connecting part pivoted with the first connecting part, wherein the second connecting part includes a compressible portion laterally extending from two sides thereof at an end of the second connecting part, wherein the compressible portion of the second connecting part has two ends abutting against sidewalls of the guide-groove space such that the first and second frames can be quickly assembled or disassembled due to the guide-groove space being pushed to expand.

Abstract: A locking mechanism for joining an elongate member to an assembly may include a frame, clamp, actuator and link between the clamp and actuator. Stop surfaces on the clamp and actuator cooperate to secure the elongate member. A pin and the force transmitted by a compression spring may further be provided for additional security. The link between the clamp and actuator retracts the clamp permitting the elongate member to be detached from the assembly. A linear actuator may be operatively disposed between the frame and the actuator for opening and closing the clamp about the elongate member.

Abstract: A locking mechanism for joining an elongate member to an assembly may include a frame, clamp, actuator and link between the clamp and actuator. Stop surfaces on the clamp and actuator cooperate to secure the elongate member. A pin and the force transmitted by a compression spring may further be provided for additional security. The link between the clamp and actuator retracts the clamp permitting the elongate member to be detached from the assembly.

Abstract: A poster clamp (1) comprising first and second members (3, 5), the members (3, 5) comprising first and second gripping surfaces (7), respectively, for gripping opposing sides of a poster or a like, and a poster mounting system comprising a hoarding (208) and a plurality of such clamps (1), and a wire (210) on which the clamps (1) are to be mounted for tightening a poster within the frame of the hoarding (208).

Abstract: A camming clamp has a fixed jaw, a pair anchored in the fixed jaw, and a moving jaw threaded onto the guides. A levered cam is threaded onto at least one guide. A backing surface is threaded onto the same one guide. It sandwiches the levered cam between itself and the moving jaw. An adjustable locking provision locks the backing surface at fixed positions along this guide with the levered cam. Wherein, the levered cam has a cam head with an over-center axis such that, when rolled on one side of the over-center axis the camming clamp is slack and adapted to position the jaws on opposite sides of an object to be clamped, and, when rolled over the other side of the over-center axis the jaws clamp tight on said object. The over-center axis prevents the cam head from auto-pivoting back to slack.

Abstract: The present invention relates to a pacifier clip, consists of a base board, a pulling sheet, a mobile clipping sheet and a connection tool. When the pulling sheet is pulled, through the leverage effect the swivel rod optionally abuts against the bottoms of the support arms or swivels the passive sheet while the swivel rod is rotated, so the mobile end of the mobile clipping sheet generates an upward or downward movement, and the teeth lines of the mobile end and the teeth rows of the base board are engaged or forms a slit. When the mobile clipping sheet of the pacifier clip is clipped on a thicker object, through the leverage effect, the pair of support arms of the mobile clipping sheet applies a clockwise force to the swivel rod disposed below the support arms, so the abutting force between the two components is enhanced and the clipping effect is also increased.

Abstract: A clamp for hanging things, the clamp having a pair of jaws and a lever. Manipulation of the lever causes the jaws to either open or close, depending on the direction of manipulation. The lever is connected to one of the jaws and to a plate attachment. The attachment of the lever to the jaw rotates around the point of the lever's attachment to the plate attachment, the structure of the plate attachment defining the boundaries of the rotation. One jaw is connected to the other jaw at a point of pivoting.

Abstract: A safe pacifier clip including a base sheet, a pulling member, a latching member, a clamping member and a tying tool. A connecting sheet is longitudinally connected between two protruding sheet columns and the height of the connecting sheet is lower than that of the sheet columns, a first flange is installed on the top end of the connecting sheet; a second flange provided on the top end of the latching member is installed in the connecting sheet and is provided adjacent to the inner surface of the first flange; an opening at the bottom end of the cap-shaped clamping member is provided to the first and the second flanges that are in a stacking status, and arc-shaped clamping sheets provided at the front and the rear ends of the clamping member clamp the two flanges.

Abstract: The present invention relates to a safe pacifier clip, mainly composed by a base sheet, a pulling member, a latching member and a tying tool.

Abstract: An exercise device including at least one positionable component configured to be positioned by a user. The exercise device includes a frame to which a collar is mounted. The positionable component includes a member that is slidably received within the collar and may be positioned by sliding the member to a selected position. A locking assembly is coupled to the collar and is operable to lock the member in a selected position within the collar, to release the member from the locked position, and when released, to allow the member to slide within the collar. The locking assembly includes a cam pivotably mounted to the collar and a cam follower assembly selectively biased by the cam against a portion of the member disposed inside the collar. The locking assembly also includes a pair of engagement members disposed inside the collar opposite the cam against which the cam biases the member.

Abstract: A novel clamping device for use in conjunction with a temporary partition system is provided. The present invention is a telescoping pole system having a unique clamping end that retains a sheet of plastic or other sheeting material for the establishment of temporary partitions such as the type typically used in connection with dust control. The principal elements of the system include an adjustable, telescoping pole, a clamping end with a mechanism thereon for retaining sheeting material and the sheeting material itself. In conjunction, the elements of the system are installed in the desired location between supporting structure to provide a temporary partition as necessary.

Abstract: A device for guiding and preventing the upward movement of a belt worn by a person, the device having a first portion for fastening to a garment, such as a pair of pants or a skirt, and a second cantilevered flange or loop portion extending from an upper portion of the fastener and away from the person, preventing the movement of the belt past the flange or loop portion.

Abstract: A quick holder includes a bottom housing, a cover, two clamping members, and a tensile spring. The tensile spring is urged between the retaining posts of the two clamping members conveniently, so that the two opposite clamping members may be used to clamp the paper by a single tensile spring, thereby simplifying the whole structure, and thereby decreasing the difficulty of assembly.

Abstract: The present invention is to provide a clipping device made of plastic and which can surely grasp any good regardless a thickness thereof and which comprises a first clamping member 10, a second clamping member 11 rotatably supported at a part of the first clamping member 10, an elastically resilient member 13 integrally formed on a part of the first clamping member 10 and giving the second clamping member 11 a bias force to cause the second clamping member 11 to be moved to a direction whereby the second clamping member 11 to be opened, a coupling piece member 14 integrally formed on a part of the second clamping member 11, and an operation member 15 rotatably supported on a part of the first clamping member 10, and in that by coupling the coupling piece member with the operation member, the first and the second clamping members are fixed to each other.

Abstract: An ornamental accessory includes a face plate, a trigger plate, and a movable clamp plate. The face plate has a rear side provided with a plate groove with plate wings projecting from both sides of the plate groove. The trigger plate is pivotally connected to the plate wings and has an L-shaped rod neck with trigger pieces extending from an end portion. The movable clamp plate has a clamp body having a top portion with two inverted L-shaped plate hooks and is pivotally connected to the plate wings. Each plate hook has an inner portion forming a rod recess, with a stop boss projecting from one end. When the trigger plate is pulled, the rods advance along inner walls of the plate hooks into said rod recesses to move the clamp plate.

Abstract: A stand for supporting a cut tree for display includes an inner bowl with an outer surface in the form of a segment of a sphere. The inner bowl includes a tree-trunk engaging device for holding the tree trunk in a roughly vertical position in the inner bowl. The inner bowl is supported in a rotatable and tiltable manner within an outer bowl-like support member. The inner bowl can be clamped to the outer bowl-like member by clamps spaced about the periphery of the inner bowl. Each clamp includes a bearing member hinged to the inner bowl, which bears against the exterior of the outer bowl-like member. Each bearing member is forced against the outer bowl-like member by an over-center clamp. The tree trunk is held against a vertical support by a strap-and-buckle arrangement including a cam which simultaneously pinches the strap at two different locations in the clamped position of the cam, for providing continuous adjustment of the strap length.

Abstract: A belt-mounted flashlight holder includes a belt loop subassembly and a cradle subassembly that are pivotally connected to permit the mounted flashlight to be rotated to any of several detented rotational positions. The cradle subassembly can accommodate flashlights or batons of various diameters within a reasonable range and includes a flexible removable jaw that is forced by a cam against the barrel of the flashlight so that the elastic restoring forces in the movable jaw provide the force that retains the flashlight in the cradle. The flexibility of the movable jaw and cradle permits the flashlight to break away from the cradle in which it is held if the flashlight is jerked by an assailant or if the flashlight becomes caught on an object. The cam includes a high spot that renders it stable in both the locked and released positions. The belt loop subassembly includes provision for mounting the flashlight holder on a wall or other reasonably flat surface.

Abstract: A toggle-type clamping device which grippingly and compressingly engages a clamp bar in order to secure a de-watering or sizing screen within a vibrator is disclosed. The clamping device is mounted on the side of a vibrator support member that is opposite the clamp bar and includes an L-shaped clamping member which passes through an aperture in the support member permitting engagement of the clamp bar by the clamping member. The clamping member grippingly and compressingly engages the top surface of the clamp bar and the surface of the clamp bar that is opposite the support member causing the clamp bar to be compressed against the support member in the lateral direction and against the de-watering or sizing screen in the transverse direction preventing lateral and/or transverse movement thereof.

Abstract: A clamp for arrangement on a carrying arm is described. The clamp has a first and a second clamp half (10, 20) with in each case two lateral angle pieces (12; 21 ), in which are located a hole (14; 23) for positioning the clamp halves (10, 20) on the carrying arm, whereby the angle pieces (12, 21) which are directed against each other lie pairwise against each other and in each case one angle piece (21) of each clamp half (10, 20) lies on the inside and the other angle piece (12) of the same clamp half (10, 20) lies on the outside, and a legged spring (4) which lies between the clamp halves (10, 20) and keeps the clamps (3) closed. The internal angle piece (21) of one clamp half (10; 20) interlocks rotatably with the external angle piece (12) of the other clamp half (20; 10), and the legged spring (4) fills, in axial direction, the space between the internal angle pieces (21) in each case of the clamp halves (10, 20).

Abstract: Clamp for clamping one or more sheet shaped products in particular for bundling a small stack of papers. The clamp has a clamp opening (3,9) that by means of an operating member (11, 12, 13) can be brought into a clamping position (FIG. 2), the operating member passing a dead center. An elastic strip (10) bent into a U-shape, with built-up edges, can be inserted into the clamp opening, keeping the clamp opening (3,9) open when in the releasing position and serving as a gripping surface of a small stack of papers, in the position preventing the removal of the operating member (11, 12,13).

Abstract: A portable electric router having a depth of cut adjustment mechanism including an adjustment ring which engages a screw thread on the motor housing and rotationally engages the router base. The adjustment ring is formed as a split ring with radially directed projections adjacent opposite sides of the split. One of the projections is formed with a camming surface and a clamp lever is provided with a camming surface slidably engaging the projection camming surface. The projection with the camming surface is captured between the other projection and the clamp lever so that rotation of the clamp lever in a first direction forces the projections toward each other to clamp the adjustment ring to the motor housing and the base and rotation of the clamp lever in a second direction allows the projections to separate to release the adjustment ring.

Abstract: A vascular clamp assembly includes a peripheral frame having an open central area, a support bar mounted on the frame, and a pair of clamps that are slidably mounted on the support bar. Each clamp includes an upper jaw member, a lower jaw member and a tension adjustor plate. The upper jaw member is pivotally mounted on the lower jaw member in a longitudinally overlying relationship with the lower jaw member. The tension adjustor plate is pivotally mounted to the lower jaw member and slidably engageable with the upper jaw member so that the plate may be wedged between the upper and lower jaw members in selectable positions. Each clamp also includes a pair of blades which are disposed in overlying relationship and which are relatively positionable, in accordance with the position of the tension adjustor plate, so that they can receive between them and engage a blood vessel and exert on the vessel a selectable holding force.

Abstract: A clothes hanger (7) mounting apparatus (6) has a housing (12) with a top wall (14), back wall (16) and bottom wall (18) with partial side walls (54, 56) on the upper surfaces of which are secured resilient cushions (66). A cover plate (30) is swingable about the top wall to move a bail (80) with a pair of platens (82, 84) into clamping relationship with the cushions and retain clothes hangers located therebetween.

Abstract: A vascular clamp assembly includes a peripheral frame having an open central area, a support bar mounted on the frame, and a pair of clamps that are slidably mounted on the support bar. Each clamp includes an upper jaw member, a lower jaw member and a tension adjustor plate. The upper jaw member is pivotally mounted on the lower jaw member in a longitudinally overlying relationship with the lower jaw member. The tension adjustor plate is pivotally mounted to the lower jaw member and slidably engageable with the upper jaw member so that the plate may be wedged between the upper and lower jaw members in selectable positions. Each clamp also includes a pair of blades which are disposed in overlying relationship and which are relatively positionable, in accordance with the position of the tension adjustor plate, so that they can receive between them and engage a blood vessel and exert on the vessel a selectable holding force.

Abstract: A clamp for dividing a flexible bag includes three pivotally joined members. A sealing member has a sealing surface such as an extended bead. A center member has a first face having an undercut groove forming a pair of arms to engage the sealing surface and the flexible bag. A second face has a locking groove. A locking member has a wedge portion engageable in the locking groove so as to deflect the arms around the sealing surface.

Abstract: A trolley for suspending and retaining the hooked ends of clothes hangers in a piece of luggage such as a garment bag includes gripping structures which contact the hooked ends of the hangers. The gripping structures incorporate an arrangement for creating a greater resistance against withdrawing the hanger ends from between the opposed gripping structures than for moving the hanger ends into the trolley. The effect is preferably established by a rib configuration integral with the gripping structures that creates a pawl-like resistance. The pawl-like resistance retains the hanger ends in the trolley and inhibits them from unintentional withdrawal from the trolley.

Abstract: A toggle action string clamp for a racquet stringing machine comprises two vise members movable along positioning glide bars attached to the stringing machine, which can be locked to the bars and to the strings of a racquet positioned in the machine. An angular link member connects a bottom vise member to a clamp-locking handle, with the top vise member being located therebetween. Locking is achieved by forcing the bottom U-shaped portion of the handle against a locking pin contained in the top vise member, thereyby urging the two vise members together. The clamp is provided with a wedge block mechanism capable of adjusting the effective distance between the bottom of the U-shaped portion and the bottom vise member, thus controlling the clearance between the vise members and, therefore, the clamping force.

Abstract: A trolley for suspending and retaining the hooked ends of clothes hangers in a piece of luggage such as a garment bag includes gripping structures which contact the hooked ends of the hangers. The gripping structures incorporate an arrangement for creating a greater resistance against withdrawing the hanger ends from between the opposed gripping structures than for moving the hanger ends into the trolley. The effect is preferably established by a rib configuration integral with the gripping structures that creates a pawl-like resistance. The pawl-like resistance retains the hanger ends in the trolley and inhibits them from unintentional withdrawal from the trolley.

Abstract: A clamp to receive a protective sheet and retain that sheet in position over an object. The clamp has a first member having first and second ends and a second member also having first and second ends. There is a hinge joining the first and second members at their first ends. The first and second members are spaced from each other at a portion intermediate the first and second ends. A clamp extends between the two intermediate portions to force the two intermediate portions towards each other. At the first end of the first and second members the members can be clamped to retain the sheet. The clamp has a shaped portion on one member and a correspondingly shaped portion on the other member. There are projections formed on the shaped portion on one member and recesses to receive those projections formed on the correspondingly shaped portion on the other member.

Abstract: A locking trolley for gripping and locking the hooked ends of hangers in a garment bag includes a C-shaped frame member and a jaw member extending forward from the rear of the C-shaped frame member. Gripping pads for gripping the hooked ends of hangers are located between the lower horizontal portion of the C-shaped frame member and the jaw member. A locking arrangement operatively moves the jaw member toward the lower horizontal portion of the frame member to cause the gripping pads to grip the hanger ends and also locks the jaw member in the hanger gripping position. The locking arrangement preferably takes the form of a locking lever pivotably connected to the forward end of the jaw member. The locking lever pivots between the jaw member and the upper horizontal portion of the frame member to hold the jaw member in the locked position. To release the locked relationship the locking lever is grasped and pivoted between the jaw member and the upper horizontal portion of the frame member.

Abstract: A racket stringing machine utilizing an improved retaining standard for securing a racket to be strung in a fixed position. The retaining standard includes a vise portion and a clamp portion. The clamp portion has an attached rod that fits into a hole in the vise. The clamp portion serves to maintain the racket to be strung in a fixed position on the vise. The vise also includes a slot into which a dog is inserted. The dog bears against the clamp rod and fixes it in a particular location. A handle having a cam portion is also provided. The cam portion of the handle engages the dog so as to allow selective engagement with the clamp rod. Additionally, frame retainers of different sizes and shapes are provided that allow rackets of various configurations to be strung with the same stringing machine.

Abstract: The disclosure concerns a device for clamping two axially telescoping rods in a selected telescoped position, wherein the device includes a case supported at the end of the outside one of the two rods and the case encloses an annular bush wrapped around the inside one of the two rods. One side of the bush is open for defining an axial gap. Terminal flanges extend away from the bush at opposite sides of the gap. A shaft extends from the second of the terminal portions, through the first of the terminal portions and then outside the case. A two-position cam is journaled to the shaft and is shaped to engage the exterior of the case. As the cam is moved between its two positions, it selectively draws the terminal portion flanges together or permits them to move apart for selectively clamping or releasing the bush on the rod. A spring normally biases the terminal portion flanges apart.

Abstract: The present invention provides a conduit clamp comprising means for securing a conduit such as a hose to another structure, a pair of jaws arranged to be clamped around a conduit, means on one side of a first jaw arranged to engage pivotally with complementary means on the corresponding side of a second jaw, means for closing the jaws into clamping engagement with a conduit which closing means comprises an open sided recess in one jaw, a locking pin mounted in an aperture in the other jaw and a lever pivotally attached to the locking pin, the arrangement being such that when the lever is moved to a first position the locking pin is released from and then pivoted away from the recess and when the lever is moved to a second position the locking pin is moved into the recess and then locked thereinto.The clamp of the present invention is particularly envisaged for sub-sea operation such as in oil drilling but it can be used for mining and industrial applications which are not underwater.

Abstract: The present invention provides a line clamp comprising means for securing a member, and means for clamping the member to a line such as a wire line wherein the means for clamping the member to a line comprises a first clamp body portion comprising a cam mounted for partial rotation and being connected to the means for securing a member, a second clamp body portion comprising a further cam mounted for partial rotation, means being provided for detachably securing the second clamp body portion to the first clamp body portion and said cams being so located that when the first and second clamp body portions are secured together, a line may be clamped between them, said cams comprising working surfaces having profiles with relatively low portions flanked by relatively high portions and said line being normally clamped by the said relatively low portions.

Abstract: A novel suspender fastener is disclosed. The suspender fastener comprises a first lever, a second lever, and a ratchet. The first and second levers are pivotally connected in a manner such that a fulcrum is formed therebetween. A first pair of mutually proximate end portions of the levers are longitudinally spaced from the fulcrum, and form a pair of jaws for engaging a garment therebetween. The ratchet preferably includes a loop for securing a suspender thereto. The ratchet is variably engageable with the first and second levers in a manner such that co-action between the ratchet and the levers causes the jaws to progressively tighten.

Abstract: The present invention provides a clamp which can be used to secure an accessory member to an abductor bar of an orthopedic-surgical table. The clamp includes a clamp block pivotally mounted on the clamp and oriented with respect to the clamp to clamp an object therebetween. A lever having a cam surface is mounted on the clamp so that the cam surface coacts with the internal mechanism of the clamp to orient the clamp block in an unclamped, intermediate and clamped position. When the clamp is in the intermediate position, the clamp loosely engages the clamped object so that relative motion of the clamp and clamped object can occur. Because the clamp can be stabilized on the clamped object by orienting it in the intermediate position the operator does not need to use a second hand to prevent the clamp from falling off the clamped object while the first hand positions and tightens the clamp. Thus, the clamp can be secured to the clamped object in a one handed operation.

Abstract: The present invention provides a conduit clamp comprising a pair of jaws, said jaws comprising respective, opposed recesses arranged to abut against sides of a conduit, said jaws comprising means for pivotally connecting them together at one end, one of said jaws comprising an aperture, and the other of said jaws comprising a twist lock means, such that, to close the jaws and clamp a conduit, the twist lock means is inserted in the aperture and partially rotated, means also being provided for securely attaching the clamp to a stable structure.The clamp of the present invention is particularly useful for clamping relatively small diameter conduits such as electrical conduits and hose lines to a permanent structure. It is particularly envisaged for use underwater but can be used for mining and industrial applications which are not underwater.

Abstract: An adjustable, quick-release clamp for fastening a barrier member to a base member includes a clamp support affixed to the base member and protruding therefrom, a main lever carried by the support member, with the support member extending through an aperture in the main lever, and a retainer member that holds the main lever on the support member. A first end of the main lever carries a gripper means adapted to engage the barrier member; an overcenter toggle cam is pivotally mounted on a second end of the main lever, a handle lever being attached to the cam. The cam is movable to raise and lower the first end of the main lever, with the retainer member acting as a fulcrum such that the gripper means engages or releases the barrier member in accordance with the positioning of the toggle cam. The position of the retainer member on the clamp support is adjustable to permit accommodation of variable barrier member thicknesses and to provide for adjustment of the clamping pressure.