Pin drive anchor with locking sleeve

Claim 2

An improved pin drive anchor for securing various types of articles to a masonry or concrete wall, said anchor comprising: (a) an elongated body having: (1) an outer generally cylindrical end portion having threads for attaching said articles to said wall; (2) a generally cylindrical center portion; (3) an inner generally cylindrical end portion that is approximately equally divided into a reduced section extending from said center portion and an inclined section that extends from said reduced portion to the free terminus of said inner end portion; and (4) a longitudinal axially aligned bore that includes a first section with a generally uniform diameter extending from the free terminus of said outer end portion to a point proximate with said inclined section and a second section that has a diameter smaller than that of said first section and extends inwardly from said first section; (b) a sleeve member secured on said reduced section of said inner end body portion; (c) said sleeve member and said body inner end portion being slotted to permit expansion of said sleeve member and said inner end portion of said body when a pin is driven through the entire length of said bore.

Claim 3

An improved pin drive anchor for securing various types of articles to a masonry or concrete wall, said anchor comprising: (a) an elongated body having: (1) an outer generally cylindrical end portion that forms a major portion of said body and has means for attaching said articles to said wall; (2) an inner generally cylindrical opposite end portion that is approximately equally divided into a reduced section extending from said outer end portion and an inclined section that extends from said reduced section to the free terminus of said inner end portion; and (3) a longitudinal axially aligned bore that includes a first section with a generally uniform diameter extending from the free terminus of said outer end portion to a point proximate to said inclined portion of said inner end portion and a second section that has a diameter smaller than that of said first section and extends inwardly from said first section; (b) a sleeve member secured on said reduced section of said inner end portion; (c) said sleeve member and said body inner end portion being slotted to permit expansion of said sleeve member and said inner end portion of said body when a pin is driven through the entire length of said bore.

Claim 4

An improved pin drive anchor for securing various types of articles to a masonry or concrete wall, said anchor comprising: (a) an elongated body having: (1) an outer generally cylindrical end portion that forms a major portion of said body and has means for attaching said articles to said wall; (2) an inner generally cylindrical opposite end portion that is approximately equally divided into a reduced section extending from said outer end portion and an inclined section that extends from said reduced section to the free terminus of said inner end portion; and (3) a longitudinal axially aligned bore that includes a first section with a generally uniform diameter extending from the free terminus of said outer end portion to a point proximate to said inclined portion of said inner end portion and a second section that has a diameter smaller than that of said first section and extends inwardly from said first section; (b) a sleeve member secured on said reduced section of said inner end portion; (c) said sleeve member and said body inner end portion being slotted to permit expansion of said sleeve member and said inner end portion of said body when a pin is driven through the entire length of said bore.

Claim 5

An improved pin drive anchor for securing various types of articles to a masonry or concrete wall, said anchor comprising: (a) an elongated body having an inner generally cylindrically end portion approximately equally divided into an inclined section that extends from the free terminus of said inner end portion to approximately a midpoint of said portion and a reduced section extending from said midpoint the remainder of said portion; (b) a longitudinal axially aligned bore that includes a first section with a uniform diameter extending from the free terminus of an outer end portion of said body to a point proximate with said inclined section, and a second section that has a diameter smaller than that of said first section and extends inwardly from said first section; (c) a sleeve member secured on said reduced section of said inner end body portion; and (d) said sleeve member and said body inner end portion being slotted to permit expansion of said sleeve member and said inner end portion when a pin is driven through the entire length of said bore.

Claim 6

An improved pin drive anchor for securing various types of articles to a masonry or concrete wall, said anchor comprising: (a) an elongated body having an inner generally cylindrically end portion approximately equally divided into an inclined section that extends from the free terminus of said inner end portion to approximately a midpoint of said portion and a reduced section extending from said midpoint the remainder of said portion; (b) a longitudinal axially aligned bore that includes a first section with a uniform diameter extending from the free terminus of an outer end portion of said body to a point proximate with said inclined section, and a second section that has a diameter smaller than that of said first section and extends inwardly from said first section; (c) a sleeve member secured on said reduced section of said inner end body portion; and (d) said sleeve member and said body inner end portion being slotted to permit expansion of said sleeve member and said inner end portion when a pin is driven through the entire length of said bore.

Claim 7

An anchor as recited in claim 3 wherein said sleeve member has at least one wall engaging member on its periphery.

Claim 8

An anchor as recited in claim 4 wherein said sleeve has a plurality of wall engaging members.

Claim 9

An anchor as recited in claim 5 wherein said sleeve is rotatably secured on said body.