Abstract: A connecting mechanism for a saw blade of a surgical cutting tool in which the blade has two side projections spaced slightly from one end thereof and in which the connecting mechanism comprises a rotatable collar on the end of a reciprocating shaft which moves the blade; the end of the shaft and collar having slots alignable to receive the blade and the collar having pockets to receive the projections when the collar is released to rotate to a blade moving position.

Abstract: A cutting device comprises a holder including a pair of spaced plate members connected at one peripheral edge to each other to define an accommodation space therebetween. A cutting disc is, either rotatably or fixedly, mounted on a shaft member and situated within the accommodation space. Rotatably mounted on the shaft member and arranged in the vicinity of and side-by-side relation to the cutting disc is at least one padding disc which acts to retain a material to be cut in position during rotation thereof. Rotation of the padding disc is effected in contact with the material as the cutting device is moved along an intended line of cutting during actual cutting operation.

Abstract: An improved mowing apparatus of the type having a rotatable reel-like casing about which a cutting string made of a high polymer synthetic material is directly wound. The coiled string is protected by a cap which is detachably mounted on the casing and locked for rotation therewith. The free end of the coiled string extends outwardly from the cap through one of guide ports provided in the peripheral wall of the cap, in order to form a cutting flail with an effective working length. The cap is elastically arranged to disengage from locking engagement with the casing for rotation relative thereto, so that the string may easily be payed out as the working flail becomes shortened through wear.

Abstract: An automatic-deployment reel-type cutter head for a filament trimmer provides for manufacturing purposes an easy-wind structure and for operating purposes, a winding pre-selectivity of filament-deployment length from the cutter head. The cutter head structure also during cutting operations protects filament wound on it but not yet deployed. In a preferred embodiment the reel comprises a first circular member with an array of postlike elements upstanding from the rim and a second circular member for capping the free ends of the array of upstanding elements to prevent transient-load disarray of the filament during operation.

Abstract: Ice-prod with tips furnished with handles and a flexible device of a given length, which couples two ice-prods together, the tips of the prods being at an angle of about 45.degree. to the longitudinal axis of the handles.

Abstract: A cutting board case and knife set is shown in which the cutting board comprises two halves, folded along a center line, and secured together by means of a sliding bolt type latch. The two halves are hinged, and each half has a knife handle recess which accommodates one half of the handle of the knife, the cutting blade extending longitudinally adjacent the center fold portion of the cutting board. The two halves of the cutting board, when folded together, have a releasable lock and provision may be made for a hanging handle, and also for stopper buttons on the base used to secure the same against dislodgement. The forward end of the cutting board is tapered, and the preferred knife handle is kidney shaped with a flat base for guiding the same along the cutting board, a finger guide at its forward portion, and a central open grip.

Abstract: A domestic or tradesman's knife is provided with cutting teeth ground off alternately on opposite sides to form a cutting edge on each side of the blade in the manner of the teeth of a saw, the invention consisting in the provision of cutting teeth intermediately between the two rows of cutting teeth on the sides of the blade.

Abstract: A machine for grinding of peripheral surfaces on workpieces, particularly, screw driver blades, comprising at least one grinding disc or abrasive belt contact disc, respectively, arranged on a rotating carrier which is driven in a predetermined transmission ratio synchronously to the likewise rotating workpiece such that the grinding disc or abrasive belt contact disc, respectively, steps forward into the grinding position in periodic rotation synchronized with the turning of the workpiece.

Abstract: Improvements in hedge shears which eliminates the need for springs and in which one blade assembly is formed of two parts, both pivotally rotatable on a post rigidly connected to the other blade. The two parts are interconnected loosely by an offset portion of the driving element which applies driving force to a pin integral with the driven element to effect a moment of force for laterally tilting the associated blade throughout the cutting stroke.

Abstract: A knife having a handle adapted to interchangeably receive in releasable interlocking relationship a variety of blade configurations. Each blade includes an arcuate tang dimensionally adapted to be telescopically received in a mating arcuate slot in the handle. Included in the handle are locking devices for releasably engaging the tank in the slot.

Abstract: An elongated, substantially flat implement is integrally formed with a tubular coring portion at one end for removing core portions of a peeled citrus fruit, one or more cutting edges extending outwardly of one side of the implement at a central position therealong for peripherally scoring the rind of citrus fruit, and a rounded tip portion at the other end for insertion under the scored rind for wedging and prying the rind halves from citrus fruit before coring.

Abstract: In a vibration reducing system for a single cylinder engine, the rotating inertia forces are balanced while the reciprocating inertia forces are left unbalanced. The engine is mounted on a support by a spring biased linkage system permitting movement of the engine in a direction axial of the engine cylinder. The engine support also includes torsion mounts permitting controlled rotary movement of the engine about the crankshaft axis. Power transmission is through a drive shaft mounted on the support and connected with the engine crankshaft by a belt drive. The supporting linkage is biased to position the engine with the axis of the cylinder approximately normal to a plane defined by the axes of the crankshaft and the drive shaft.

Abstract: A carpet and tile stripper is disclosed which has a blade member mounted to a power-driven oscillating member so that the blade pivots about a shaft in axial alignment with the direction of travel of the carpet stripper. The extent of rotation of the blade is about 10.degree.-20.degree.. The blade oscillates at a high rate of speed providing a shearing action at the blade tip that rapidly and cleanly removes bonded carpet or tile from the floor.

Abstract: A manually manipulatable tool which is intended for use in roofing repair, namely, for removing resilient composite roof shingles for replacement. The tool comprises a narrow elongated bowed blade or rocker bed having prying means at its working end, which prying means is adapted to be inserted beneath the free edge of the shingle and to dislodge the nails which hold the shingle to the roof. The tool further comprises a handle on the upper surface of the blade distant from the working end, which tool is meant by its weight and configuration to be held by one hand and used in a natural underhand swing motion of the arm to accomplish dislodgment of the shingle. The handle is equipped with a shield to protect the worker's hand from abrasion, cutting and impact.

Abstract: A hair trimming tool comprising a dressing element such as a comb or brush, and a blade cutting element in which the elements extend alongside each other and may be adjusted relative to each other and are mounted on a handle which may be grasped by one hand of the user.

Abstract: A lawn-edge trimmer with a grip at the top of a motor housing, a shield plate at the bottom of that housing overlying a rotor, and a detachable mounting forming a socket for a long-stemmed handle has a motor-control switch with a spring-loaded trigger on the underside of the grip in a cutout of the web-shaped mounting. The tubular handle stem is axially traversed by a thrust rod which, on being displaced by a knob near the handle, acts through a camming mechanism on the mounting to depress the trigger when the mounting and the handle are emplaced on the housing.

Abstract: An articulated cutting tool, such as scissors, is formed by casting a first element with a pivot region, and casting a second element using the pivot region of the first element as the mold for the pivot region of the second element. The pivot regions of the elements are tapered, and in order to free the pivot joint, the pin is upset, for example by punching in the axial direction of the pin. The articulated element thus formed is coated with a hard coating material, and the cutting edges of the tool are ground to provide a sharp cutting edge for shearing action to which the layer of hard coating material extends. The invention is also adaptable to articulated tools, such as pliers, which do not have cutting edges, in which case the plating and grinding of the tool may be omitted.

Abstract: A machine for connecting workpieces, especially pipe bend segments or the like comprising a rotatable table for supporting the pipe bend segments which are to be interconnected and a working head having a pair of cooperating rolls for interconnecting contiguous ends of adjacent pipe bend segments, typically at abutting flanges, with one another. Adjustment means permit selectively changing the relative radial spacing between the working head and the rotatable table. Means coact with the rotatable table for elastically supporting the rotatable table in elevational position.

Abstract: A brake device for use in a portable bush cutter having a construction in which the driving force of the engine is transmitted through a centrifugal clutch assembly to the drive shaft sheathed in the elongated main pipe, then changed in direction by a bevel gear means and further transmitted to the rotary blade. Said brake device is installed at a location between either the drive shaft or the rotary blade shaft and the centrifugal clutch assembly. This brake device comprises a brake drum and a brake shoe or brake band and is operated simultaneously with the engine throttle valve by a lever secured to the handle grip, so as to apply the brakes to the rotary blade without stopping the engine.

Abstract: A barbering implement for cutting hair off the head, the implement including a tube attached to a vacuum cleaner hose or other vacuum source, the tube having a ring integral with its side for receiving the fingers of a person's hand, and a lever pivotable at its center about a rivet secured to the outer side of the tube, other end of the lever having a thumb receiving opening, the other end of the lever carrying a replaceable safety razor blade for being moved across the end of the tube so to shear off hair as it is pulled by a vacuum into the tube, and an adjustable graduated rule being slidable forwardly adjacent to the tube opening for guiding a length of hair being retained upon the head.