Damper

Details Damper Damper

2011-01-25

2011-01-25

Jiang, Chen-Wen (Department: 3744)

Refrigeration

Automatic control

Of external fluid or means

C062S186000, C062S408000, C236S049500

Reexamination Certificate

active

07874172

ABSTRACT:
An air flow control mechanism for a refrigerator or freezer is disclosed comprising at least one knob to regulate by its adjustment, air flow within a compartment, the knob including at least one end, and wherein said knob is configured to rotate, a cam including a base, a groove and a receiving end, wherein the cam base includes the groove, wherein the groove is a semi-circular shape and is un-centered with regards to the cam base and wherein said receiving end receives said knob end, a crank having a first end a second end, wherein said first end is inserted in the semi-circular groove of said cam base and is configured to run said groove when the user adjusts the knob, a rod having a front end and a back end, wherein said front end is connected to said crank second end, and an obturator connected with said rod back end. Said cam base has the same rotation degree than the knob and wherein the rotational movement of said knob is transformed and transmitted to the crank and consequently the rod.

REFERENCES:
patent: 3364694 (1968-01-01), Cohen et al.
patent: 3793847 (1974-02-01), Scarlett et al.
patent: 3866437 (1975-02-01), Spencer et al.
patent: 3921416 (1975-11-01), Murnane et al.
patent: 4241589 (1980-12-01), Grimm et al.
patent: 4642998 (1987-02-01), Kang et al.
patent: 4914928 (1990-04-01), Fellwock et al.
patent: 5097675 (1992-03-01), Elsom et al.
patent: 6073458 (2000-06-01), Kim
patent: 6199400 (2001-03-01), Banicevic et al.
patent: 6240735 (2001-06-01), Kolson et al.
patent: 6250092 (2001-06-01), Lanz et al.
patent: 6336339 (2002-01-01), Joung et al.
patent: 6647740 (2003-11-01), Noritake
patent: 61282683 (1986-12-01), None
patent: 1203878 (1989-08-01), None
patent: 9292173 (1997-11-01), None
patent: 10122723 (1998-05-01), None
patent: 20040049610 (2004-06-01), None
patent: 200440049616 (2004-06-01), None
patent: WO 2004029527 (2004-04-01), None

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2648734