F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/101
F16B 35/00 (2006.01) F16B 23/00 (2006.01)
Patent
CA 1169277
ABSTRACT OF THE DISCLOSURE A combined socket is shown, whereby a screw can be driver either by a Phillips driver or by a square (Robertson) driven. The wings of the socket have end walls that curve convexly to such an extent that both the Robertson and the Phillips drivers are of the con- ventional size for that size of screw, yet the end wall is clear of the corner of the square, right down to the bottom of the end wall.
399108
Bereskin & Parr
Isotech Consultants Inc.
LandOfFree
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