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Process for mounting chip type circuit elements on printed circuit boards and apparatus therefor

  • US 4,881,319 A
  • Filed: 06/26/1987
  • Issued: 11/21/1989
  • Est. Priority Date: 09/17/1984
  • Status: Expired due to Fees
First Claim
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1. A mounting head for apparatus for mounting chip type circuit elements on printed circuit boards, said mounting head comprisinga suction pin for sucking up said chip type circuit elements thereon;

  • an air cylinder casing having a partition member separating said casing into a cylinder chamber and a vacuum chamber;

    a piston slidable with respect to said cylinder chamber, said piston having a lower rod portion projecting from the lower end of said casing and an upper rod portion projecting through said partition member into said vacuum chamber;

    a vacuum suction passage in said piston extending from the lower end of said lower rod portion to the upper end of said upper rod portion, said suction pin being affixed to said lower end of said lower rod portion; and

    an air filter at said upper end of said upper rod portion, said air filter closing the upper end of said vacuum suction passage.

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