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Keyboard-support-mechanism

Automatic identification system for objects or persons by remote interrogation

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OF THE INVENTION The apparatus of the present invention relates to a modular system for the ...

Screening of soluble chemical compounds for their pharmacological properties utilizing transponders

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Keyboard support mechanism

Details

Inventors: Wisniewski, Michael G.;
Assignee: Weber Knapp Company (Jamestown, NY)
Primary Examiner: King; Anita M.
Assistant Examiner:
Attorney, Agent or Firm: Simpson, Simpson & Synder, L.L.P.

A keyboard support mechanism employs a mounting member adapted to be fixed to a base, such as a desk or table top; a support adapted to support a keyboard; upper link having its front and rear ends connected to the support and mounting member by first and second pivot pins; a lower link having its front end connected to the support by a third pivot pin and its rear end formed with a bearing surface slidiably and pivotally enagaging the second pivot pin; and a locking device for selectively maintaining the support at a desired vertical position relative to the mounting member, wherein such locking device includes a downwardly facing planar locking surface on the mounting member and an upwardly facing curved locking surface on the rear end of the lower link.

DETAILED DESCRIPTION The present convention is directed to an improved keyboard support mechanism in which a three-bar linkage is employed in place of a conventional four-bar linkage for mounting a keyboard support for vertical swinging movement relative to a base in combination with a locking mechanism releasable for permitting vertical movement of the keyboard support upon the application of a lifting force thereto.

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