发明名称 Adjustable support/spacer device for the construction industry
摘要 The invention relates to the an adjustable support and spacer device having and a base member and extension member which is adjustable relative thereto via a releasable clamp. The extension member and the base member each carry a support member whereby the adjustment of the extension member relative to the base member provides a relative adjustment of the two support members. The base and extension members are provided with measuring indicia and the extension member is able to be pivoted about the releasable connection device to provide angular adjustment between the two support members.
申请公布号 US4936021(A) 申请公布日期 1990.06.26
申请号 US19890360319 申请日期 1989.06.02
申请人 FRENETTE, EUGENE R.;FRENETTE, HENRY E. 发明人 FRENETTE, EUGENE R.;FRENETTE, HENRY E.
分类号 E04F21/18;G01B3/30 主分类号 E04F21/18
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