Arm supporting base

Details Arm supporting base Arm supporting base

1998-12-08

2000-08-15

Braun, Leslie A.

Supports

Armrest or headrest

Armrest for writer

400715, B43L 1500, B41J 1162

Patent

active

061023450

ABSTRACT:
In order to make an arm supporting base small, to enable the arm supporting base to move horizontally and rotatably, to prevent an occurrence of a fatigue of the arm operating a mouse for personal computer and to enhance the efficiency of work, a plurality of ball bearings are interposed between a movable base and a fixed base in such a manner as the movable base is prevented from being removed from the fixed base and the movable base may move in all directions relatively to the fixed base in a certain range.

REFERENCES:
patent: 988893 (1911-04-01), Packewitz
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patent: 5265835 (1993-11-01), Nash
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patent: 5507458 (1996-04-01), Campbell et al.
patent: 5657956 (1997-08-01), Smith et al.
patent: 5743499 (1998-04-01), Wang
patent: 5765796 (1998-06-01), Lanus
patent: 5826842 (1998-10-01), Paulse et al.
patent: 5927663 (1999-07-01), Tseng

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