Balance device for key

Details Balance device for key Balance device for key

1999-01-05

2000-05-02

Hilten, John S.

Typewriting machines

Key-board or key lever-actuating mechanism

Key lever or space-bar mounting structure

200344, B41J 508

Patent

active

060564598

ABSTRACT:
A balance device for key comprises two balance rods each arranged on the front side and rear side of the cap of the key. The two balance rods are arranged in a forficiform arrangement. The base plate of the key and the cap being provided with pivoting parts such that the balance rods being pivotably engaged within the pivoting part. Therefore, the key can be uniformly pressed, no matter where the pressing force for key is applied.

REFERENCES:
patent: 4433225 (1984-02-01), Cowles
patent: 4580022 (1986-04-01), Oelsch et al.
patent: 5819914 (1998-10-01), Yoneyama
patent: 5823325 (1998-10-01), Lin
patent: 5941373 (1999-08-01), Cheng

Affiliated with

Also associated with

Rating

Balance device for key does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Balance device for key, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Balance device for key will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1589311