Joint assembly for electrically engaging a portable computer with a battery

A joint assembly for electrically engaging a portable computer with a battery comprising:

• a first joint comprising a first portion which defines at least one aperture and a second portion which defines a recess so that the aperture is in communication with the recess, a metal cylinder which is received in the aperture and which defines a closed end and an open end, a pin which projects from the closed end of the metal cylinder and which is soldered to a printed circuit board of the portable computer, a spring which is received in the metal cylinder, a piston which is slidably received in the cylinder, a male connector which projects from the piston;
• and
• a second joint comprising at least one aperture which is defined therein, a female connector which is received in the aperture which is defined in the second joint, a pin which projects from the female connector and which is soldered to the battery;
• whereby the spring biases the male connector into firm engagement with the female connector when the second joint is received in the recess which is defined in the first joint.