Telescoping and locking lever arm

Details Telescoping and locking lever arm Telescoping and locking lever arm

2007-11-27

2007-11-27

Luong, Vinh T. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Elements

C074S543000

Reexamination Certificate

active

11274710

ABSTRACT:
A telescoping lever arm comprises a tube and a rod. The tube has an opening at one end thereof and has an inner circumferential dimension along the inside thereof. The opening is smaller than the inner circumferential dimension of the tube. The rod has an outer circumferential dimension that is smaller than that of the tube's opening. The rod resides partially in the tube and extends therefrom via the tube's opening. At least one annular flange is coupled to the rod at a portion thereof residing in the tube. Each such annular flange is defined by a circumferential dimension that is larger than that of the tube's opening and smaller than the inner circumferential dimension of the tube. The other end of the tube is configured to be coupled to a workpiece or an adapter that can be coupled to a workpiece.

REFERENCES:
patent: 2687724 (1954-08-01), Frank et al.
patent: 3208183 (1965-09-01), Neumann
patent: 5103524 (1992-04-01), Vowles
patent: 5617757 (1997-04-01), Horner
patent: 6132390 (2000-10-01), Cookston et al.
patent: 6517456 (2003-02-01), Savard
patent: 6530305 (2003-03-01), MacLeod et al.
patent: 6880873 (2005-04-01), Stoev

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