baber/WOPTO huggingface dataset:
Patent KR-820001320-B1 (KR)
Title: Fluid dispensing piston
Inventor: FARREL III F
IPC: F16J1/00
Filed: 1979-05-10
Granted: 1982-07-23
Abstract: The end wall(26) of piston is recessed and has an aperture(22) normally covered by a displaceable fluid seal.  The piston is placed in a cartridge with the wall(26) against fluid.  The piston is moved axially to dispense the fluid.  Further fluid may then be added and a second piston used to dispense that fluid.  The seal is forced away from the end wall(26) to uncover the aperture(22) providing a path for the fluid through the first piston.  A reduced diameter part(19) of the piston allows the piston to be stacked.
Patent KR-830002583-B1 (KR)
Title: Method manufacture of lene-like articles and the like
Inventor: NAGAURA YOSHIAKI
IPC: B24B13/00
Filed: 1980-08-01
Granted: 1983-11-16
Abstract: The appts. has two work holders(2,3), which are movable along a common center axis and rotatable about it.  Machinery is provided for surfacing a workpiece(100) held by each of the work holders.  After machining one surface of the work, held by one(3) of the work holders, the workpiece is stopped from rotating.  The work is then trnsferred to the other work holder(2) without changing the center machining line and is subjected to machining of the other surface.  Following machining, the work is subjected to edge planing.
Patent KR-840000867-B1 (KR)
Title: Method for effecting cross direction fiber orientation in a papermarking machine headbox
Inventor: BERGSTROM JAN INGEMAR
IPC: D21F1/00
Filed: 1980-09-12
Granted: 1984-06-20
Abstract: Papermaking stock is passed through transversely extending passage in a headbox before being discharged through the slico onto a wire. Pref. the scock flows from headbox through pipes and obliquely arranged partitions towards slice. The slice may include pivoted plates attached to partitions to maintain separate flows of stock through the slice. A substantial proportion of the fibers become oriented in the cross machine direction during passage through the headbox and during paper formation, and cross direction tensile strength is improved.
Patent KR-880000592-B1 (KR)
Title: Trust bearing device
Inventor: FURUGAWA YOSHIO
IPC: F16C17/06
Filed: 1981-09-25
Granted: 1988-04-16
Abstract: A bearing oil tank contains a lubricating oil with a series of bearing shoes slidably journaling a rotary member located in the bearing oil tank.  The bearing shoes each are segmental in shape.  A support device for the bearing shoes is interposed between the shoes and the bottom of the bearing oil tank and immersed in the oil, including pressure receiving members each having two spread-apart legs, and resilient members.  The pressure received members are each formed on its upper surface with a portion for supporting the associated bearing shoe and on its under-surface with the spread- apart legs, one of the shoes being constructed to receive a lower thrust load than the other.  The resilient members are each located beneath the leg of the associated pressure receiving member that has the lower thrust load applied to it.
Patent KR-870001283-B1 (KR)
Title: Metallic glasses having a combination of high permeability
Inventor: HASEGAWA RYUSUKE
IPC: C22C45/02
Filed: 1982-08-19
Granted: 1987-06-30
Abstract: Amorphous alloy has the compsn. (in atomic %) 66-82% Fe, 1.6% of one or more of Cr, Mo, W, V, Nb, Ta, Ti, Zr and Hf, 17-28% B, and impurities, 1-8 at.% of the Fe may be replaced by Ni and/or Co, 0.5-6 at.% of the B may be replaced by Si, and up to 2 at.% of the B may be replaced by C.  The magnetic properties of the alloy are enhanced by annealing to ppte. discrete particles in the amorphous metal matrix. Depending on the B content of the alloy, a portion of the particles may have a.b.c.c. structure and consist of Fe or may have a crystalline Fe 3B structure and consist of Fe and B.  The alloy has a combination of high permeability, low saturation magnetostriction, low coercivity, low a.c. core loss, for tape heads, relay cores and transformers.
Patent KR-900007836-B1 (KR)
Title: Process for preparation of ultrapure thorium fluorido
Inventor: PASTER RICARDO C
IPC: C01F17/00
Filed: 1983-01-27
Granted: 1990-10-20
Abstract: An ultrapre Th fluoride is prepd. by reacting Th oxide with a predetermined amt. of aq. HF to form a solid reaction prod. which is dried to form a hydrated fluoride with a predetermined amt. of hydration. This is exposed to a reactive atoms. comprising HF vapour and a gaseous F cpd. at a predetermined elevated temp. for a predetermined time to remove all the water and water derived impurities. The Th fluoride has maximised optical transparency to radiation of wavelength of wavelength approx. 10.6 microns.
Patent KR-900009164-B1 (KR)
Inventor: REEVES RUSSEL R
IPC: C10L1/32
Filed: 1983-03-11
Granted: 1990-12-24
Abstract: 내용 없음.
Patent KR-880002152-B1 (KR)
Title: Device for sorting coin
Inventor: GOBAYASHI OSAMU
IPC: G07D5/00
Filed: 1983-05-16
Granted: 1988-10-17
Abstract: A coin sorter for a vending machine or a coin exchanger is designed to discriminate counterfeit coins by the diameter of coins.  The sorter has a selection mechanism (12) comprising a spring-loaded support plate (15) operated by a return key (7) and a number of balance support cradles (23,47) provided with protrusions (18,21,25,27).  When counterfeit coins with an incorrect size are put into a slot (9), a counterfeit coin (P4) with larger diam. than that of genuine one fails to pass by the first (18) and the third protrusions (25), and a smaller diam. counterfeit coin cannot pass because of the first, the second (21) and the third protrusions coactuating with the fourth protrusion (27).
Patent KR-860001882-B1 (KR)
Title: Phosphor
Inventor: MIYAJAKI TOMOHIRO
IPC: H01J29/20
Filed: 1983-08-18
Granted: 1986-10-24
Abstract: Fluorescent substance is coated with a mixt. composed of silicon dioxide in spherical or hemispherical form, an aluminium cpd. and a zinc cpd.. More than 70 wt. of the mixt. substance is 60-300 microns average particle size. Pref. the amt. of silicon dioxide, aluminium cpd. and zinc cpd. is respectively, 0.01-1.0 wt.pts., less than 0.1 wt.pts. and 0.003-0.25 wt.pts. per 100 pts. of fluorescent substance. The fluorescent substance has strong adhesion to a glass surface and less cross-contamination and is pref. used foir producing a color tube and other fluorescent surface of a CRT.
Patent KR-900000802-B1 (KR)
Title: Laser welding method
Inventor: RITO NAOTAKE
IPC: B23K26/21
Filed: 1984-07-10
Granted: 1990-02-17
Abstract: In a laser welding method, materials covered with a coating of lower melting point than the base material like Zn-coated steel are stacked one over the other, with a spacer between them providing a predetermined continuous air gap.  The assembly with a clamp is conected to cylinders maintaining it together.  The welding operation is carried out by application of a laser beam to the plates, the Zn vapour of the coatings flowing into the air gap.  As the beam moves on, the hole formed by it is filled with molten metal.  Coating material can also be oil or paint and the air gap is in the range 0.1-0.5 mm.
Patent KR-890002820-B1 (KR)
Title: Vehicle suspension apparatus
Inventor: TANAKA TADAO
IPC: B60G17/00
Filed: 1985-01-24
Granted: 1989-08-04
Abstract: A vehicle wheel suspension has fluid spring chambers, with rolling control extent determined by vehicle and steering angle speeds.  A fluid supply device provides the fluid and a fluid discharge device discharges the fluid that are intervened by supply control valve at each fluid spring chamber of each suspension unit.  An opening passway is open through the left section and right section of the wheel by intervention of a opening control valve.  A steering angle speeds calculation device calculates time variation of steering angle by detected signal of steering angle sensor.
Patent KR-900003670-B1 (KR)
Title: Manufacture method of wooden pipe
Inventor: LEE PIL-WON
IPC: B27M3/30
Filed: 1985-06-17
Granted: 1990-05-30
Abstract: A method for manufacturing a wooden pipe comprises (a) rolling a thin splinter of wood with a cutting section in one side to a cylinder shape, (b) depositing the cylinder shape splinter into the thermoplastic resin soln. tank for at least 24 hr, (c) drawing out and drying the splinter, (d) heat-pressurizing the splinter in the pressure-mould of a wood pipe shape at 140-150 C for 2-3 min, and (e) hardening it to the wood pipe shape.
Patent KR-900000495-B1 (KR)
Title: Servo system
Inventor: MINAGUZI HIROSHI
IPC: H02P29/00
Filed: 1985-09-27
Granted: 1990-01-31
Abstract: The motor is directly coupled to a detector whose output AC signal has frequency directly proportional to the speed.  The detector output signal is applied to a voltage controlled amplifier which converts it to a constant amplitude, and then to a square wave form in a waveform shaper.  The shaper output is applied to a channel selector. The processed speed related signal is applied to a comparator circuit where it is compared with each of two internally generated reference voltages and provides at least two output signals in each half period of the AC signal.
Patent KR-900005408-B1 (KR)
Title: Method of making a drill-shaped cutting tool and thread rolling dies
Inventor: YAMAMOTO HUKUSYO
IPC: B21H3/10
Filed: 1985-11-04
Granted: 1990-07-30
Abstract: The thread rolling die has a majority of uneven parts for forming the drill part formed by an electric discharge. The electrode of electric discharge machining is equipped with a pair of electrodes to undego the electric discharge. The electrode is formed to be approximately drill-shaped by forming the groove like uneven parts at least on the approximately cylindrical body possessing the diameter approximately equal to that of the drill part of the cutting tool to be made. It is then rotated and moved in parallel with the thread rolling die.
Patent KR-940008160-B1 (KR)
Inventor: MARKOV EDWARD G
IPC: B60C7/14
Filed: 1986-06-17
Granted: 1994-09-07
Abstract: 내용 없음.
Patent KR-890003514-B1 (KR)
Title: Cathode for electrolysis and a process for making the said cathode
Inventor: LEROUX FRANCIS
IPC: C25B11/04
Filed: 1986-06-24
Granted: 1989-09-23
Abstract: Cathode for use in electrolysis cell consists of an electrically conducting substrate with a coating band on an oxide of a platinum group metals.  The cathode also has a covering consisting of several layers of metal oxides, the surface layer consisting of the oxide of a valve metal and the intermediate layer or one of the intermediate layers being oxide of a precious group VIII metal layer.  Surface layer is manufactured from oxides of only the metals concerned in another embodiment, the surface layer or intermediate layers consist of a mixed oxide of the metal concerned and a second metal in low proportion.  The cathode is used for electrolysis of water or alkali metal halides, etc.
Patent KR-890001560-B1 (KR)
Title: Central part fixing method for egg cooking
Inventor: KIM YONG-MYONG
IPC: A23L15/00
Filed: 1986-06-25
Granted: 1989-05-08
Abstract: A method of fixing the yolk for egg cooking is presented. Thus, preparing the vessel of 100(l) X 35(W) X 20(h)(cm), adding in it 110 liter of water and 15kg of table salt, and heating the vessel containing water and salt to 80≰C, putting 1000-1200 quail eggs in the vessel, heating eggs at 80≰C for 3 mins and cooling eggs for 5 mins in cooled water.
Patent KR-890001913-B1 (KR)
Title: Improved dehydrogenation process for production of styrene from ethylbenzene comprising low temperature heat recovery and modification of the ethyl-benzene-steam feed there with
Inventor: SARDINA HELION H
IPC: C07C5/333
Filed: 1986-12-17
Granted: 1989-05-31
Abstract: The prodn. of styren (I) by the catalytic dehydrogenation of PhEt (II) in a dehydrogn. zone at elevated temps. in the presence of steam, where (i) the dehydrogenation effluent is cooled, then sepd. into 3 phases [gas phase comprising hydrocarbons; aq. phase comprising steam condensate; and an organic phase comprising crude (I) and unreacted (II) ; (ii) the crude (I) is sepd. from (II) by distn. and the (I) monomor prod. is recovered; and (iii) the overhead from the distn. column for sepg. (I) being passed into indirect heat exchange with liq. (II)/H2O is improved as flow, the (II)/H2O side of condenser is operated at 8-25 psia, the column is operated so that the overhead has pressure above 100mmHg.
Patent KR-900007101-B1 (KR)
Title: Digital calculation type differential relay
Inventor: ANDO HUMIO
IPC: H02H3/28
Filed: 1987-06-11
Granted: 1990-09-28
Abstract: In a differential function calculator (1) a value of a differential function, f(d), is calculated using differences between a predetermined number p, of differential current data, Dd, sampled at different sampling times. The differential current data are data obtained from differential current, Id, or a sum of data, Dj, obtained from respective terminal currents, lpj. In a restraint data calculator (2) restraint data, Dr, are calculated using respective terminal current data, Dj, sampled at the same sampling time. In a restraint function calculator (3) a value of restraint function, f(r) is calcuated using differences among a predetermined number, p, of restraint data, Dr, sampled at different sampling times.
Patent KR-940010624-B1 (KR)
Inventor: SUMII YOSHIYUKI
IPC: B32B5/28
Filed: 1987-08-13
Granted: 1994-10-24
Abstract: 내용 없음.
Patent KR-910000971-B1 (KR)
Title: Connector
Inventor: FUSSELMAN DAVID F
IPC: H01R4/02
Filed: 1987-11-25
Granted: 1991-02-19
Abstract: A connector has a housing (32,34) for containing conductors of a cable over a transition region for connection with solder mounting pads (18) on a p.c. board (22). The housing defines an array of resilient fingers (60) which impart a biasing force to the wires of the cable to urge these wires into contact with the pads.
Patent KR-920002076-B1 (KR)
Inventor: THEODORIDIS GEORGE
IPC: C07D417/10
Filed: 1986-12-10
Granted: 1992-03-10
Abstract: 내용 없음.
Patent KR-930006907-B1 (KR)
Title: Thin electroluminescent light source element making method
Inventor: RYU JAE-HWA
IPC: H05B33/00
Filed: 1988-06-30
Granted: 1993-07-24
Abstract: The thin film EL display element is mfd.  by  (a)  forming  a transparent  electrode  (2),  a  first  insulating  layer  (3),  a fluorescent layer (4) and a second insulating  layer  (5)  on  the transparent glass substrate (1), (b) covering an indium tin  oxide (ITO) on the layer (5) by the DC magnetron deposition method,  and then linearly etching it to form a rear electrode (6), (c)  wholly covering  Si3N4  film  of  2000  angstroms  thickness  to  form  a protecting film (7), and (d) covering a black  silicon  rubber  of 1- 10 mm thickness to form a  cushion  film  (8).  The  EL  display element has a high contrast.
Patent KR-0124314-B1 (KR)
Title: Circuit for detecting a synchronizing signal
Inventor: SHIMIZUME KAZUTOSHI
IPC: G11B20/12
Filed: 1988-12-22
Granted: 1997-11-28
Abstract: A circuit for detecting a synchronizing signal comprises a gate circuit (35) to which reproduced synchronizing signal (SYNC) and window signal (LMASK) are supplied. A first counter (36, 40) which is synchronized with output signal (MSYNC) from the gate circuit (35) counts a clock signal (PLC) formed from reproducing signal and generates an insertion synchronizing signal (ISYNC). A second counter (37, 41) which is synchronized with output signal from the gate circuit (35) counts a fixed clock signal (FIC) and generates the window signal (LMASK). The output signal (MSYNC) from the gate circuit (35) or the insertion synchronizing signal (ISYNC) is made a synchronizing detection signal thereby the frame synchronizing signal can be detected stably.
Patent KR-920001783-B1 (KR)
Title: Stabilization method of luminescent containing alkaline earth metals
Inventor: CHUNG IL-HYOK
IPC: C09K11/55
Filed: 1988-12-30
Granted: 1992-03-02
Abstract: The stabilizing method for alkaline earth sulfide fluorescent material is characterized by reacting alkaline  earth  fluorescent material of formula MS:A with oxalic acid (C2O4H2) to  give  MC2O4 on the surface of fluorescent material. In the formula MS:A, M  is Mg, Ca, Ba, or Sr, and A is Eu, Ce, or Mn. The  amount  of  C2O4H2 used is 0-5 mol.% with respect to MS:A. The stabilized fluorescent material shows  a  good  brightness.  Conbined  with  conventional treatment by SiO2 or CH3OH,this method  can  prevent  lowering  in fluorescent characteristics. The  fluorescent  stabilized  by  the above method can be used for fluorescent  screen  of  color  broun tube to obtain a good fluorescence.
Patent KR-970007085-B1 (KR)
Title: Method and means for fixing a joint prosthesis
Inventor: BRUCE LARS
IPC: A61F/
Filed: 1988-03-30
Granted: 1997-05-02
Abstract: Means for fixing a joint prosthesis the stem of which is provided with a friction surface (2). Said means comprises a substantially homogeneous mixture of a biologically compatible granular material in which the grains (3) have a substantially even particle size distribution and are substantially irregular and/or plastic. A method for fixing said joint prosthesis consists in that a cavity is reamed in the bone in which the prosthesis is to be applied, that grains (3) of biologically compatible material are applied in said cavity so as to form a grain bed, that the prosthesis is driven down into said grain bed until substantially the entire prosthesis stem is surrounded by the grains, that the grains are subjected to an external force, and that a device (5) for retaining the grains is applied on said bed around the prosthesis stem. <IMAGE>
Patent KR-950001712-B1 (KR)
Inventor: HATA HITOSHI
IPC: C10N30/06
Filed: 1989-05-13
Granted: 1995-02-28
Abstract: 내용 없음.
Patent KR-920010025-B1 (KR)
Title: Speed measurement device
Inventor: GILL MICHAEL J
IPC: G01F1/66
Filed: 1989-06-09
Granted: 1992-11-13
Abstract: A fluid speed measurement device includes a pair of ultrasonic transducers T1,T2 spaced in a measuring chamber. A transmitter and receiver system is controlled by a microprocessor 100 which generates pulses which periodically invert and these are switched by switches 140,150 to allow alternate direction of transmission. Reception and detection of signals is effected by blocks 152-168. Time calculation is determined by counter 109 and results are used to calculate flow speed or volume using the microprocessor. A speed increase in the measurement region is effected using a venturi device.
Patent KR-910007215-B1 (KR)
Inventor: SAKAMOTO SYUJI
IPC: G03C1/72
Filed: 1989-08-03
Granted: 1991-09-20
Abstract: 내용 없음.
Patent KR-910007238-B1 (KR)
Title: Amino-substituted briged azabicyclic quinolone carboxylic acids and esters
Inventor: KLEINMAN EDWARD F
IPC: C07D453/06
Filed: 1989-08-22
Granted: 1991-09-24
Abstract: Compounds of the formula <CHEM> wherein R<1> is hydrogen, C1-C6 alkyl, or a pharmaceutically acceptable cation; Y is cyclopropyl, ethyl or p-fluorophenyl, and X is hydrogen or fluoro, or X and Y taken together form a group <CHEM> wherein R<3> is hydrogen or C1-C4 alkyl; or a pharmaceutically acceptable salt thereof, have antibacterial properties.
Patent KR-930008803-B1 (KR)
Inventor: KOIWA MITSURU
IPC: F02P11/02
Filed: 1989-09-19
Granted: 1993-09-15
Abstract: 내용 없음.
Patent KR-0143237-B1 (KR)
Inventor: KERSH DAVID V III
IPC: G11C8/10
Filed: 1989-10-27
Granted: 1998-08-17
Abstract: 내용 없음
Patent KR-940005906-B1 (KR)
Inventor: IJAWA HIROMI
IPC: B23B7/06
Filed: 1989-11-30
Granted: 1994-06-24
Abstract: 내용 없음.
Patent KR-0165666-B1 (KR)
Title: Xanthin derivatives having an adenosin antagonist activity and process for the preparation thereof
Inventor: KUFNER-MUHL ULRIKE
IPC: C07H19/04
Filed: 1989-12-21
Granted: 1999-01-15
Abstract: Xanthines of formula (I) and their optical isomers and acid-addn. salts are new: R1 = 1-6C alkyl, 3-4C alkenyl or 3-4C alkynyl; R2 = 1-6C alkyl, 3-4C alkenyl, 3-4C alkynyl or opt. substd. benzyl; R3 = (a) C-bonded satd. or unsatd. 5- to 7-membered heterocyclyl contg. one or more O and/or S atoms, opt. substd. by 1-6C alkyl, oxo, CHO, CH2OR4, CH2OR7, COOR4 or CONR5R6; where furyl and thienyl gps. are opt. also substd. and tetrahydrofuryl gps. are opt. also substd; (b) 4-8C cycloalkenyl opt. substd. by 2-4C alkenyl; (c) a 4-8C cycloalkanone or cycloalkanol gp. opt. alpha-substd. by 2-6C alkenyl, 2-6C alkynyl, opt. substd. benzyl, CH2OR4, CH2COOR7 or CH2CH2CN; (d) 3-8C cycloalkyl opt. substd. by 1-6C alkyl, =CH2, =NNHAr, =NNHR, =NOH, OCONHAr, OCONHR, OR4, OR7, (CH2)xCOOR4, (CH2)xNR4R4, (CH2)xCONR5R6, (CH2)xOR4, (CH2)xOR7 or =CHA; (e) 3-8C cycloalkyl gem-substd. by OH and 1-6C alkyl, vinyl, allyl or opt. substd. phenyl or (1-4C alkyl)phenyl; (f) 3-8C cycloalkyl gem-substd. by ORa and ORb, or (g) 3,4-methylenedioxyphenyl, 3,4-ethylenedioxyphenyl, 2-fluorenyl, 9-fluorenyl or a bicyclic gp., e.g. of formula (i)-(iii). Ar = opt. substd. aryl; R = 1-6C alkyl, x = 0-4; A = COOR4, CN, CONR5,R6, CH=CHCOOR4, CH=CHCONR5R6, CH2OR4 or CH2OR7; Ra and Rb = 1-4C alkyl, or Ra+Rb = 2-3C alkylene opt. substd. by 1 or 2 of 1-5C alkyl, 2-6C alkoxycarbonyl and 1-5C hydroxyalkyl; R4 = H, 1-13C alkyl, 3-13C alkenyl, propargyl, trityl or opt. substd. 3-6C cycloalkyl or benzyl; R5 = H, 1-6C alkyl or opt. substd. 3-6C cycloalkyl; R6 = H, 1-6C alkyl, opt. substd. benzyl, (CH2)nNR5R5, ((CH2)nO(CH2)mO)k(CH2)nNR5R5, (CH2)nQ(CH2)nNR5R5, or C-bonded piperidinyl opt. substd. ; or NR5R6 is a 5- to 7-membered ring opt. contg. another heteroatom and opt. substd. ; n = 2-8; m = 2-6; k = 0 or 1; Q = piperazine-1,4-diyl opt. substd. ; R7 = acyl derived from a natural amino acid, 2-14C alkanoyl, methyloxyacetyl, camphanoyl, abietoyl, 4-aminobutyryl, opt. substd. benzoyl or COB1; B1 = opt. substd.
Patent KR-0144358-B1 (KR)
Inventor: CALVERLEY MARTIN JOHN
IPC: C07C401/00
Filed: 1989-04-07
Granted: 1998-07-15
Abstract: 내용 없음
Patent KR-920002888-B1 (KR)
Title: Method for preparation of liquor
Inventor: LIM JONG-SEONG
IPC: C12G3/02
Filed: 1990-04-03
Granted: 1992-04-06
Abstract: A alcoholic drink is prepd. by (a)  mixing  2-3  kg  polished rice and 2-3 kg wormwood, and soaking in the water,  (b)  steaming the soaked  mixt.  and  putting  into   the   wooden   box,   (c) first- fermenting at  10-30  deg.C  for  5  days,  (d)  mixing  the first- fermented mixt. and second-fermenting for 3-4 days to obtain the fermented material (I), (e) mixing 3-7 kg wormwood  and  10-20 kg polished rice, soaking in the  water,  steaming  and  re-mixing with the obtd. (I), (f) adding  40  l  water  into  the  re-mixt., stirring, and sealing the stirred  mixt.,  (g)  1st-fermenting  at 10-20 deg.C for about 5 days and discharging the created gas,  (h) re-sealing it and 2nd-fermenting, and (i) ing  the  2nd  fermented soln.,  2-5  kg  wormwood,  100-200  g  ricorice  and  100-200   g cheongong, and distillating to obtain the final product.
Patent KR-920002465-B1 (KR)
Title: Improved shovel
Inventor: CHANG JONG-IL
IPC: A01B1/02
Filed: 1990-04-20
Granted: 1992-03-26
Abstract: The improved shovel comprises a handle  and  a  scoop  bucket having a front blade to be separable from each other for  each  to be replacable, the bucket having a pivot fulcrum shaft  underneath the bucket body to facilitate the  work.  The  blade  has  toothed projections on its front and the bucket floor has  a  ridged  part across the floor for receiving a pivot shaft on the  underside  of the floor and also has on its rear a fulcrum support.  The  handle being received in the ferrule of  the  bucket  has  an  elliptical section shape and  two  longitudinal  grooves  on  both  sides  to receive a grip with springs between the bucket and the  grip,  the inner projection of the grip being received in the grooves  to  be slidable.