Window balance cam housing

Details Window balance cam housing Window balance cam housing

1999-02-19

2000-11-28

Redman, Jerry

Movable or removable closures

Mounted for optional movements

Pivot mounted on sliding member; e.g., slide-stile

E05D 1522

Patent

active

061518328

ABSTRACT:
A window balance cam housing has a body generally in the form of a rectangular prism having a generally cylindrical bore therethrough. The body has a bottom side, a top side, a right side, a left side, a near side, and a far side. The generally cylindrical bore extends between the near side and the far side and has a portion of more narrow diameter between the right side and the left side respectively. The top side has a gap defined therein, permitting flexing to change the separation between the right side and the left side. Brake shoes are provided on each of the right side and the left side. A first pair of vertical ridges extends symmetrically outward from the near side and the far side. A second pair of vertical ridges extends symmetrically outward from the near side and the far side, the second pair of vertical ridges being higher than the first pair. There may be a third pair of vertical ridges extending symmetrically outward from the near side and the far side, which third pair has the same height as the first pair.

REFERENCES:
patent: 4718194 (1988-01-01), Fitzgibbon et al.
patent: 5210976 (1993-05-01), Cripps
patent: 5371971 (1994-12-01), Prete
CertainTeed Part No. A-187598. On sale prior to Feb. 7, 1996.

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