Multi-wall tie apparatus

  • US 5,586,605 A
  • Filed: 06/30/1995
  • Issued: 12/24/1996
  • Est. Priority Date: 02/28/1994
  • Status: Expired due to Term
First Claim
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1. An attachment for use with a hammer drill for reciprocating driving a helical tie between parallel wall members comprising, in combination,a barrel,a hand grip surrounding said barrel for engagement by the operator,an SDS-type adapter secured at one end of the barrel,a drive pin positioned interiorly of a inner portion of the barrel and fixed at one end to the adapter,an essentially coaxial spring mounted in surrounding relationship to the drive pin,spring engaging means formed to receive a end of the drive pin which is not fixed to the SDS adapter and is remote therefrom,seating means at both ends of the spring for compressively loading the spring and confining the spring for rotation interiorly of the outer barrel,and means on the non-fixed end of the drive pin surrounded by the spring seating means for receiving and engaging a helical tie for reciprocatingly hammering the tie into the wall members.

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