31 results about "Helping hand" patented technology

An auxiliary handle for use with a power tool includes a first clamp for engaging a housing of the power tool at a first location, and a second clamp for engaging the housing at a second location. The second clamp is movable independent from the first clamp in a first direction toward the first clamp to couple the auxiliary handle to the housing and the second clamp movable independent from the first clamp in a second direction away from the first clamp to uncouple the auxiliary handle from the housing. The auxiliary handle further includes a grip operable to move the second clamp in at least one of the first and the second directions, and together the first clamp and the second clamp surround only a portion of a chuck of the power tool.

An auxiliary handle for a hand-held power tool (7) includes a lockable lag hinge (46) provided between the clamping section (21) and the gripping member (34) and having a pivot pin (47), a tensioning member (51) for tightening and loosening the clamping section (21) and arranged on an end (48) of the pivot pin (47) of the lag hinge (46), a locking device (41) for locking and releasing the lag hinge (46), and an independent from the tensioning member (51), unlocking device (56) for releasing the locking device (41) and having an actuation member (62) upon actuation of which, the locking device (41) is displaced from its locking position in which the lag hinge (46) is locked to its release position in which the lag hinge (46) is released.

A hand-held power tool includes a locking flange (2), and an auxiliary handle (1) securable to the locking flange (2) and having a head (4), a loop-shaped clamping band (5) located in the head (4), at least one, radially inwardly projecting cam (11a, 11b) provided on the clamping band (5) and formlockingly engageable in an associated recess (12a, 12b) formed in the locking flange (2), and a member for manually tensioning the clamping band (5).

An auxiliary handle for a hand-held power tool has a handle piece, a fixation means for fixing the auxiliary handle to the hand-held power tool, a rod with at least one set of teeth, and a guide in which the rod is seated longitudinally movably. A locking mechanism has a pawl, a pivot axis about which the pawl can be rotated between a locking position and a release position, and at least one locking tooth on the pawl that engages in a locked position with the guide, and is pivoted out of the guide in a release position. A spring element initially tensions the pawl into the locking position. A distance of the spring element from the pivot axis is less than a distance of the locking tooth from the pivot axis.

A device used to remove surface covering materials such as shingles. The device is comprised of an end handle having a plurality of switches and an anchoring mechanism, a handle shaft with a straight and curved portion, a secondary handle, and a base assembly. The anchoring mechanism can be used to secure the device to its work surface. The base assembly provides the mechanisms to automate the removal of shingles or other surface covering materials fastened using fasteners such as nails. The base assembly includes a blade assembly, a rotary support, a lever, a piston assembly, and a switch valve. The switch valve controls the routing of the fluid supply connected to the device. The device is powered by a supply of air or other fluid from a source such as a compressor.

The invention discloses a handle-replaceable multifunctional garden trimming tool. The handle-replaceable multifunctional garden trimming tool comprises a rear handle, a connecting pipe assembly, an auxiliary handle, a front handle assembly and a tool head; a motor assembly is installed in the rear handle, and the output shaft end of the motor assembly is connected with a first transmission shaftthrough a transmission sleeve; the first transmission shaft penetrates through a connecting pipe assembly fixed in the rear handle, the connecting pipe assembly is sleeved with a strap hanging buckle,a connecting pipe connector is arranged at the end of the connecting pipe assembly, and a tool head is inserted into and fixed to the connecting pipe connector; and the auxiliary handle and the fronthandle assembly which are fixed on the connecting pipe assembly are arranged between the connecting pipe joint and the strap hanging buckle. The multifunctional garden trimming tool is provided, thedesign is ingenious, the handles can be replaced quickly, the multifunctional garden trimming tool can be used for mowing, brush cutting, trimming, cutting, soil loosening and the like, an operator can use the garden trimming tool more easily and conveniently, the appropriate handle can be selected for work according to the requirements of the operator, and the garden trimming tool is multipurpose, convenient, quick and comfortable.

The invention provides a single-person electric power operation auxiliary tool which comprises an auxiliary arm, a fixing support and a tool body. The auxiliary arm is of any bent forming structures, and the fixing support and the tool body are arranged at the two ends of the auxiliary arm respectively. The fixing support is provided with binding structures, the auxiliary arm is a metal forming hose with an insulation jacket, the fixing support comprises a main support body and two sub support bodies arranged on the two sides of the main support body respectively, the main support body is arranged at one end of the auxiliary arm, and the sub support bodies are provided with the binding structures. The single-person electric power operation auxiliary tool can be used as an auxiliary arm for an electrical worker, and effectively solves the problem that two hands are not sufficient in single person operation.

A mechanism for assisting painters and other persons who hold manual tools for long periods of time is disclosed. In the painter embodiment, the mechanism assist painters in gripping a paintbrush, including retaining control of the brush even during non-gripping intervals. The mechanism reduces pain and cramping partly be allowing for frequent release of the grip, thereby lessening pain and cramping. The mechanism also prevents or delays onset of carpal-tunnel by not forcing them to grip their paint laden paintbrush 100% of the time. This reduces a problem arising from a constant application of thumb, forefinger, and auxiliary fingers in a permanent clamping motion.

The invention provides a drawing board frame for animation design auxiliary hand drawing. The drawing board frame comprises a drawing board body and a water absorption paper roller; U-shaped frames are arranged at the left end and the right end of the drawing board body correspondingly, rubber cylinders are rotationally embedded into the upper ends and the lower ends of the U-shaped frames correspondingly, the water absorption paper roller is arranged on the upper side of the drawing board body and attached to the drawing board body, the two ends of a rotating shaft penetrate through sliding grooves in guide plates correspondingly and are rotationally inserted into threaded sliding blocks, the threaded sliding blocks are installed on threaded adjusting rods through inner threaded holes ina meshed mode, the guide plates are fixedly connected to the drawing board body, and paper penetrating grooves are further formed in the sides, close to the drawing board body, of the guide plates. Drawing paper rollers can be conveniently inserted into square inserting blocks A of two sets of opposite external thread inserting rods so that the drawing paper rollers can be taken down after drawingis completed, the water absorption paper roller can be driven to slide downwards synchronously by rotating an operation handle, and the water absorption paper roller is driven to rotate through meshing of gears and racks at the two ends of the rotating shaft; and ink marks on the drawing paper are sucked dry by utilizing the water absorption paper roller.

The invention discloses a replacement tool for a three-jaw flexible chuck on a numerical control machine tool and a working method of the replacement tool. A pull rod is connected with a connecting rod through second straight pins, the connecting rod is connected with a swing rod through first straight pins, the swing rod is connected with a main body through fourth straight pins, through holes are formed in the swing rods, third straight pins are installed in the through holes, handle rods are connected with a handle seat, an auxiliary handle rod fixing hole is formed in the main body, an auxiliary handle rod is fixedly connected in the auxiliary handle rod fixing hole, a spring placing groove is formed in the main body, a spring is placed in the spring placing groove, a bearing is arranged above the spring, and the handle seat penetrates through the bearing and the spring and is in threaded connection with the pull rod. After the structure is adopted, the longer handle rods are arranged, so that the arm of force is longer, more labor is saved during use, the auxiliary handle rod is additionally arranged, when the tool is used, the auxiliary handle rod can be held by one hand, the handle rods are rotated by the other hand, and a very good positioning function is achieved.

A multifunctional hand rubbing device comprises a main box; a hand rubbing cavity with an upward opening is arranged in the main box, and a threaded channel with an upward opening is arranged in the inner wall of the lower side of the hand rubbing cavity; a rotatable control screw is arranged in the threaded channel, the left end of the control screw is in power fit connection with a treading control device in extended manner; the control screw can be driven to rotate through repeated treading by personnel; the control screw is in threaded fit connection with a driving block capable of movingside to side; and a hand rubbing plate is in rotational fit connection with the driving block. The angle of the hand rubbing plate can be reasonably adjusted through the treading control device in thedevice, the using is facilitated for personnel, and the comfort is improve; the application of various functions can be adjusted through intelligent control of a control butting device, the operationis facilitated for personnel, and use requirements of the personnel are met; a stirring device and a vibration device can better assist in cleaning clothes under hand rubbing, so that the operation time is shortened for personnel, and the operation is facilitated.

The invention discloses an auxiliary handle. The auxiliary handle comprises a base body, a hoop assembly supported on the base body and a handle body arranged at the bottom of the base body, wherein the hoop assembly is connected to the handle body, the base body comprises an installation hole penetrating through the side face of the base body and a containing portion penetrating through the bottom face of the base body, the containing portion communicates with the installation hole and is adjacent to the top face of the handle body, the auxiliary handle comprises a depth gauge contained in the installation hole and a pressing pin contained in the containing portion, one end of the pressing pin abuts against the top face of the handle body, and the other end of the pressing pin abuts against the depth gauge. By means of the arrangement, the auxiliary handle can loosen the fixing mode of the depth gauge only through one rotating action, the adjusting effect of the depth gauge can be simply and efficiently achieved, and meanwhile, the auxiliary handle is simple in structure and low in manufacturing cost.

The invention provides an auxiliary tool for single-person night electric power operation. The auxiliary tool comprises an auxiliary arm, a fixing cap and a tool body. The fixing cap and the tool body are arranged at the two ends of the auxiliary arm respectively, a lamp is arranged on the fixing cap, and the tool body is arranged on the light path of the lamp. The fixing cap is placed on the head of an electrical worker, and the auxiliary arm is adjusted according to needs, so that the tool body is located on the light path of the lamp and corresponds to the maintenance position of electrical equipment. The auxiliary arm is used as the third hand of the electrical worker, and is involved in maintenance of the electrical equipment together with the hands of the electrical worker. The auxiliary tool for single-person night electric power operation can be used as the auxiliary arm for the electrical worker, and effectively solves the problem that two hands are insufficient for single-person night operation.

The invention relates to a household appliance, and discloses a wireless handheld dust collector. The dust collector comprises a machine body, and a suction pipeline is arranged on the front side of the machine body. A handle is arranged on the rear side of the machine body; an upper shell connected to the machine body is arranged at the upper end of the handle. Two ends of the main connecting shaft extend towards the suction pipeline to form extension rods; holding rods are connected between the end parts, far away from the main connecting shaft, of the two extension rods; according tp the invention, the left connecting rod, the right connecting rod, the main connecting shaft, the extension rods and the holding rods which are arranged on the upper shell jointly form an auxiliary handle onthe machine body. A holding part (namely a holding rod) of the auxiliary handle is arranged forwards; in the process of operating the dust collector, a user not only can hold the original handle withone hand to operate, but also can hold the 'auxiliary handle' of the upper shell with the other hand to borrow force, so that the user can conveniently clean dust and sundries at a high position through the wireless handheld dust collector, more labor is saved compared with a single handle, and the operation convenience is improved.

An effective technique for increasing performance of an auxiliary handle which is attached to a power tool is provided. The auxiliary handle 200 has a grip part 210, a grip holding part 220, a mounting part 230 and a support part 240. The grip holding part 220 is disposed between the grip part 210 and the support part 240 in a longitudinal direction of the auxiliary handle 200. When the auxiliary handle 200 is attached to a power tool body, the grip part 210 and the grip holding part 220 are held so as to be movable with respect to the mounting part 230 with the support part 240 as a fulcrum.

The invention discloses a household mower with low noise, and relates to the technical field of mowers. The household mower comprises a hand pushing device, a driving device, a main body device, a cutting device, a moving device, a collecting device and a lighting device, the hand pushing device comprises a rotating piece, the driving device comprises a motor, the main body device comprises a machine shell and a damping layer, the upper surface of the machine shell is welded to the lower surface of the damping layer, the inner surface of the damping layer is connected with the outer surface of the motor, the cutting device comprises a rotating shaft and a guide groove, the upper surface of the guide groove is connected with the inner surface of the machine shell, the moving device comprises a bearing and a connecting plate, the collecting device comprises a fixing buckle, a through hole is formed in the outer surface of the machine shell, and the inner surface of the fixing buckle is connected with the through hole. The machine shell is used for wrapping the cutting device, a handrail can assist in adjusting, mounting and dismounting of the hand pushing device, the damping layer can weaken the vibration feeling brought by work of the motor, the machine shell can be more stable, a sound absorption net can absorb noise generated when the cutting device cuts weeds, and the noise reduction function is achieved.