CH464117A - screwdriver - Google Patents

screwdriver

Info

Publication number: CH464117A
Authority: CH; Switzerland
Prior art keywords: screwdriver
Prior art date: 1961-05-26

Application number

CH320866A

Other languages

German (de)

Inventor

Gustave Muenchinger Herman

Original Assignee

Gkn Screws Fasteners Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1961-05-26

Filing date

1962-05-25

Publication date

1968-10-15

1962-05-25 Application filed by Gkn Screws Fasteners Ltd filed Critical Gkn Screws Fasteners Ltd

1968-10-15 Publication of CH464117A publication Critical patent/CH464117A/en

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Forging (AREA)
Insertion Pins And Rivets (AREA)
Connection Of Plates (AREA)
Bolts, Nuts, And Washers (AREA)
Slide Fasteners (AREA)

CH320866A 1961-05-26 1962-05-25 screwdriver CH464117A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US11283661A	1961-05-26	1961-05-26

Publications (1)

Publication Number	Publication Date
CH464117A true CH464117A (en)	1968-10-15

Family

ID=22346082

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
CH320866A CH464117A (en)	1961-05-26	1962-05-25	screwdriver
CH637462A CH451605A (en)	1961-05-26	1962-05-25	Screw with a cruciform recess embossed in the screw head
CH317067A CH456312A (en)	1961-05-26	1962-05-25	Punch for forming a cross-shaped recess in a screw head

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
CH637462A CH451605A (en)	1961-05-26	1962-05-25	Screw with a cruciform recess embossed in the screw head
CH317067A CH456312A (en)	1961-05-26	1962-05-25	Punch for forming a cross-shaped recess in a screw head

Country Status (11)

Country	Link
AT (2)	AT253309B (en)
BE (1)	BE618104A (en)
CH (3)	CH464117A (en)
DE (3)	DE1950935U (en)
DK (1)	DK113041B (en)
ES (1)	ES277721A1 (en)
FI (1)	FI45380C (en)
GB (1)	GB1006509A (en)
LU (1)	LU41783A1 (en)
MY (1)	MY6600087A (en)
NL (2)	NL278918A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1521141A (en) *	1975-07-19	1978-08-16	Gkn Fasteners Ltd	Threaded fastener
US4355552A (en) *	1980-04-14	1982-10-26	Technofast, Inc.	Recessed head screw
GB2129348B (en) *	1982-09-08	1986-09-24	Blum Gmbh Julius	Screws
EP0206564B1 (en) *	1985-06-03	1990-04-04	Isotech Consultants Inc.	Screw driving socket
DE3709513A1 (en) *	1987-03-23	1988-10-13	Salice Arturo Spa	METHOD FOR PRODUCING A SCREW WITH A SCREW HEAD WITH CROSS-SLOTS
GB2244775B (en) *	1990-06-05	1993-08-11	Titus Tool Co Ltd	Screws
IT1269314B (en) *	1994-04-14	1997-03-26	Carlo Sala	SCREW AND RELATIVE SCREWING TOOL
US6223634B1 (en)	1997-10-03	2001-05-01	Phillips Screw Company	Recessed head fastener and driver systems
WO1999047820A1 (en)	1998-03-18	1999-09-23	Francisco Casino Lorite	Assembly of screw and screwdriver which are mutually self-gripping
US9957993B2 (en)	2014-12-17	2018-05-01	Research Engineering & Manufacturing Inc	Recessed head fastener and driver combination

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2588404A (en) *	1946-09-04	1952-03-11	Herman G Muenchinger	Fastening device and method of making same
FR1255865A (en) *	1959-05-05	1961-03-10	Phillips Screw Co	Hollow head threaded fastener

0
- NL NL133564D patent/NL133564C/xx active
- NL NL278918D patent/NL278918A/xx unknown
1962
- 1962-05-04 GB GB1712262A patent/GB1006509A/en not_active Expired
- 1962-05-18 DE DE1962G0035522 patent/DE1950935U/en not_active Expired
- 1962-05-18 DE DE1962G0025981 patent/DE1949486U/en not_active Expired
- 1962-05-18 DE DE19621675640 patent/DE1675640B1/en active Pending
- 1962-05-24 FI FI104862A patent/FI45380C/en active
- 1962-05-25 BE BE618104A patent/BE618104A/en unknown
- 1962-05-25 LU LU41783D patent/LU41783A1/xx unknown
- 1962-05-25 CH CH320866A patent/CH464117A/en unknown
- 1962-05-25 CH CH637462A patent/CH451605A/en unknown
- 1962-05-25 CH CH317067A patent/CH456312A/en unknown
- 1962-05-25 AT AT430062A patent/AT253309B/en active
- 1962-05-25 DK DK237762A patent/DK113041B/en unknown
- 1962-05-25 AT AT1008463A patent/AT241237B/en active
- 1962-05-26 ES ES277721A patent/ES277721A1/en not_active Expired
1966
- 1966-12-31 MY MY6600087A patent/MY6600087A/en unknown

Also Published As

Publication number	Publication date
DE1675640B1 (en)	1969-12-11
CH456312A (en)	1968-07-15
DE1949486U (en)	1966-11-10
FI45380B (en)	1972-01-31
AT253309B (en)	1967-04-10
BE618104A (en)	1962-09-17
CH451605A (en)	1968-05-15
AT241237B (en)	1965-07-12
LU41783A1 (en)	1962-07-25
GB1006509A (en)	1965-10-06
DE1950935U (en)	1966-12-01
NL133564C (en)
MY6600087A (en)	1966-12-31
DK113041B (en)	1969-02-10
NL278918A (en)
ES277721A1 (en)	1962-10-01
FI45380C (en)	1972-05-10

Publication	Publication Date	Title
BE618813A (en)	1962-10-01	Diazabicyclo-octanes
BE613722A (en)	1962-05-29	Mixer-reducer
CH464117A (en)	1968-10-15	screwdriver
BR6244974D0 (en)	1973-05-31	DENTIFICATIONS
CH382075A (en)	1964-09-15	Tap-striker
BE616231R (en)	1962-07-31	Converter-rectifier
BE613082A (en)	1962-07-25	Weigher-bagger
FR1308935A (en)	1962-11-09	Phillips screwdriver
ES90013Y (en)	1962-05-01	Screwdriver
AT234422B (en)	1964-07-10	Haymaker
BE618789A (en)	1962-10-01	Moulinégaren
BE612444A (en)	1962-05-02	7-dehydrosterols
BE615346A (en)	1962-07-16	Alkylalkoxyalkylhydrazones
ES88785Y (en)	1962-02-16	Perfected screwdriver
ES90338Y (en)	1962-08-01	Luminous screwdriver
ES85846Y (en)	1963-08-01	Illuminated screwdriver
ES92009Y (en)	1963-12-01	Screwdriver
ES87408Y (en)	1961-10-16	Parallelographic
ES87525Y (en)	1962-06-16	Electro-impeller
ES86241Y (en)	1961-10-01	Sack-tent
ES85701Y (en)	1962-01-16	Gown-front
ES85277Y (en)	1961-11-16	Over-bag
ES85250Y (en)	1962-02-01	Cap-dispenser
ES85225Y (en)	1961-09-01	Cap-seal
ES85117Y (en)	1962-02-16	Scraper-saws