The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 1982
Filed:
Jan. 15, 1981
Robert M DuRoss, Huntsville, AL (US);
Robert J Stuhler, Mattydale, NY (US);
SCM Corporation, New York, NY (US);
Abstract
A typewriter space bar touch control apparatus comprises a bell crank member, mounted on a support frame, which supports the space bar and a lever member which engages the bell crank when the space bar is depressed more than a small initial displacement. The motion of the bell crank is resisted by a helical tension spring and the engagement of the bell crank by the lever causes an operator to sense a sudden increase in resistance to displacement. Position transducers are provided on the support frame to sense the position of the lever member and the initial small displacement of the space bar corresponds to single space operation and larger displacement corresponds to repeat space operation.