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:
Sep. 02, 1986
Filed:
Jul. 02, 1985
Youjiro Takabayashi, Hamamatsu, JP;
Nippon Gakki Co., Ltd., Shizuoka, JP;
Abstract
A tremolo unit mechanism for electric guitar comprising bridge bodies respectively provided on a bridge base which correspond to respective strings, each of the bridge bodies having a slanted top surface and a string inserting hole. A rocker arm is mounted on the bridge body which pivotally moves in a vertical direction to firmly press the string with the front end portion of the slanted top surface of the bridge body when a locking screw is screwed into the rear end of the rocker arm and press the rear end of the bridge body. An octave tuning screw is connected to the bridge body, which moves the bridge body in the length-wise direction of the string to effect harmonic tuning of the string. A string locking device is provided between the nut and the tuning pegs. The string locking device includes a height adjusting spacer and a string locking block which is provided on the spacer and has front and rear walls with a space in between. The front wall is provided with V-shaped grooves and the rear wall has inclined holes which bring the strings close to the head surface.