Supports – Armrest or headrest
Reexamination Certificate
2000-03-15
2001-12-04
Ramirez, Ramon O. (Department: 3632)
Supports
Armrest or headrest
C248S118300, C248S918000, C248S285100
Reexamination Certificate
active
06325342
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to office equipment such as desks and computer work stations, and more particularly to good-posture maintaining devices and upper body supports for persons sitting at a desk or work station and operating a keyboard, mouse or other data entry instrument.
BACKGROUND OF THE INVENTION
Typist and computer operators who spend long hours sitting at a desk or work station operating a keyboard, mouse, input pad or other manipulable data entry instrument are subject to neuromyalgic traumas such as cervical, dorsal and cervico-brachial neuralgia. Persons already affected by arthritis, kyphotic or scoliosic disorders are often unable to withstand long periods of work sitting at a desk or work station. The above-described pathological phenomena are due to both the gravitational pull of the arms upon the scapular girdle, and bad posture imposed by faulty seat and improper height setting of the seat or work surface.
The prior art already offers devices designed to avoid or relieve carpo tunnel syndrome, tendinitis and other hand and wrist pathological conditions. Exemplary embodiments of such devices are disclosed in: U.S. Pat. No. 4,482,063 Berke et al., EPO Application No. 90123968.1 Edtech Co., British Application NO. 2,249,053A Ledesma; and U.S. Pat. No. 5,402,972 Schmidt. Those embodiments are not configured to support the upper body and relieve or avoid any spinal, scapular or brachial traumas, but are strictly intended, shaped and dimensioned to support the wrists or the distal portions of the user's forearm providing no convenient support surfaces for the elbows or proximal portions of the forearms against which the weight of the upper body could come to bear. The instant inventor is believed to be the first to identify the mechanical causes of the upper body neuromyalgic syndromes and to devise an effective remedial solution.
SUMMARY OF THE INVENTION
The principal and secondary objects of this invention are to avoid or relieve neuromyalgic traumas of the spine and shoulders, caused by long periods of sitting at a desk or work station while operating a keyboard, mouse, input pad or other manipulable data entry instrument, by providing a convenient comfortable and effective support of the scapular girdle and spine through the upper arms.
These and other valuable objects are achieved by the device that places pads or support bars in supporting contact with the elbows and proximal end sections of the operator's forearms nearest the elbows. The support member comprises a pair of telescopic segments which are cantilevered from a support bracket attached under the desktop structure. The height and distance of the support member from the desktop structure is adjusted by axial movement of one of the telescopic segments and, in an alternate embodiment, by pivotal movement of the arm.
REFERENCES:
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patent: 5037054 (1991-08-01), McConnell
patent: 5104073 (1992-04-01), Van Beek et al.
patent: 5211367 (1993-05-01), Musculus
patent: 5342006 (1994-08-01), Tice
patent: 5402972 (1995-04-01), Schmidt
patent: 5407249 (1995-04-01), Bonutti
patent: 5462247 (1995-10-01), Aldrich
patent: 5465931 (1995-11-01), MacDonald
patent: 5564667 (1996-10-01), Copeland et al.
patent: 5566915 (1996-10-01), Hansare
patent: 6042064 (2000-03-01), Hong
patent: 2203265 (1973-08-01), None
patent: 8433867A1 (1991-06-01), None
patent: 2249053A (1992-04-01), None
Buchaca John D.
Charmasson Henri J. A.
Le Tan
Ramirez Ramon O.
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