Telephonic communications – Terminal – Housing or housing component
Patent
1991-03-28
1993-02-09
Ng, Jin F.
Telephonic communications
Terminal
Housing or housing component
16321, 16334, H04M 100
Patent
active
051857901
ABSTRACT:
A hinge apparatus for a foldable telephone (100) includes a body portion (101) and a flip element (103). The flip element (103) is held in a closed (FIG. 3A) and a open (FIG. 3B) position relative to the body portion (101) by an enclosed follower (201) which follows recesses (301 and 303) in two hinge shafts (205 and 207) integral to the hinge portion (112) of the flip element (103). The apparatus is assembled along a common axis (233) from a single direction. The flip element (103) is held tight against a keypad (109) of the body portion (101) in its closed position (FIG. 3A). The flip element (103) is secured in its open position (FIG. 3B) with no excessive play.
REFERENCES:
patent: 3476886 (1969-11-01), Ferrari et al.
patent: 4018998 (1977-04-01), Wegner
patent: 4424606 (1984-01-01), Sorimachi
patent: 4471493 (1984-09-01), Schober
patent: 4543006 (1985-09-01), Wang
patent: 4577986 (1986-03-01), Wang
patent: 4845772 (1989-07-01), Metroka et al.
patent: 4897873 (1990-01-01), Beutler et al.
patent: 5111503 (1992-05-01), Takagi
patent: 5117073 (1992-05-01), Mischenko
A user's manual for the "Pocket Commander"(.TM.) manufactured by Fujitsu model no. F80P-171 utilizes a foldable housing portion attached to a body portion shown on p. 4. The angle of the foldable portion with respect to the body portion is determined by a U-shaped wire spring, held in a fixed position, applying pressure to planar surfaces on the hinge shaft.
An owner's manual for a cordless electronic telephone manufactured by Radio Shack as DUOFONE model no. ET-415. Has two shafts with the cord centers connecting a flip element to the main housing of the body. The flip element is held in the open or closed position by two spring loaded fingers which press on the flip element and into depressions on the flip element exterior.
An FCC filing for Panasonic model no. KX-T3000H. Has a flip element rotated relative to a main housing or body portion. The flip element is held in its closed position by latching the flip element to the body portion of the radiotelephone. To dispose the flip element at an angle to the body portion the latch is released whereby the flip element springs open to a predetermined obtuse angle. The obtuse angle is created by a helical spring having one end attached to the flip element and the other end attached to the body of the radiotelephone.
"The GTE Flip-Phone Telephone", William J. Ruffer, GTE Automatic Electric Journal, vol. 16, No. 6, Nov. 1978.
Fisher John
Jenski Raymond A.
Kaschke Kevin D.
Le Huyen D.
Motorola Inc.
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