Draft protection device for a balance and having a friction...

Details Draft protection device for a balance and having a friction... Draft protection device for a balance and having a friction...

2006-09-22

2010-06-08

Gibson, Randy W (Department: 2841)

Weighing scales

With casing closure or shield

Reexamination Certificate

active

07732720

ABSTRACT:
A draft protection device for a balance and a balance equipped with the draft protection device, wherein the draft protection device includes front and rear panels, two side panels and a top panel, and four posts which are fixedly mounted on a top cover of the balance, and wherein the posts extend vertically. The front and rear panels rest against the posts and are held in place by grooves provided in front and rear top frames which are connected to the top ends of the posts. The side panels are slidable while the front and rear panels are stationary. A friction reduction device mounted in the scale top cover so that the side panels slide along the friction reduction device.

REFERENCES:
patent: 4664207 (1987-05-01), Knothe et al.
patent: 5874694 (1999-02-01), Ruedisueli
patent: 6504112 (2003-01-01), Luebke et al.
patent: 6566614 (2003-05-01), Fluckiger et al.
patent: 6686545 (2004-02-01), Luchinger et al.
patent: 6844507 (2005-01-01), Leisinger et al.
patent: 6849809 (2005-02-01), Luchinger et al.

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