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Adjustment mechanism for pressure switch

  • US 5,393,945 A
  • Filed: 06/20/1994
  • Issued: 02/28/1995
  • Est. Priority Date: 01/27/1992
  • Status: Expired due to Term
First Claim
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1. In a pressure switch having an adjustment member movable externally with respect to the pressure switch housing for adjusting actuation settings the improvement comprising:

  • (a) bracket means attached to said pressure switch housing, said bracket means defining a pair of spaced parallel guide ways and detent means thereon;

    (b) slider means disposed for sliding movement on said ways, said slider means defining an adjustment cam surface operable to contact said adjustment member, and defining integrally therewith (i) lug means engaging each of said ways and slidably retaining said slider means on said bracket means, (ii) spring means operable to maintain desired minimum friction forces resisting said movement of said slider means and said bracket means, said spring means further operable to engage said detent means at a predetermined position of said slider means for releasing said friction forces.

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