Patio door block

Claim 1

An adjustable safety block assembly for traversing an opening for a sliding door, comprising: a first tubular member having a first series of circumferentially distributed axially extending rows of holes circumscribing its tube wall, the hole of the first series being spaced in uniform intervals from axially adjacent holes and being axially staggered in uniform intervals relative to circumferentially adjacent holes; a second tubular member engaging the first tubular member in sliding telescopic relation and having a second series of circumferentially evenly distributed holes, the holes of the second series being axially staggered relative to circumferentially adjacent holes in uniform intervals equal to the fraction obtained by dividing the length of the interval of axial staggering of holes in the first series by the number of holes in the second series; locking means inserted through aligned holes of the first and second series respectively for retaining the tubular members in mutually fixed relation to form a rigid bar; and caps mounted on opposite ends of the rigid bar, each cap being provided with a groove extending axially relative to the tubular members for engaging a lip of a runner of a sliding door for limiting lateral displacement of the safety block from the opening for the sliding door.

Claim 3

A method for assembling a safety block having a first tubular member having a first series of circumferentially distributed axially extending rows of holes circumscribing its tube wall, the holes of the first series being spaced in uniform intervals from axially adjacent holes and being axially staggered in uniform intervals relative to circumferentially adjacent holes, and a second tubular member adapted to engage the first tubular member in sliding telescopic relation and having a second series of circumferentially evenly distributed holes, the holes of the second series being axially staggered relative to circumferentially adjacent holes in uniform intervals equal to the fraction obtained by dividing the length of the interval of axial staggering of holes of the first series by the number of holes in the second series, comprising the steps of: telescoping one tubular member inside the other tubular member until the safety block is of a desired length; rotating the first tubular member independently of the second tubular meeker until at least one hole of the first series is in partial alignment with at least one hole of the second series; rotating the second tubular member independently of the first tubular member until at least one hole of the first series is in substantially complete alignment with at least one hole of the second series; and inserting locking means through substantially completely aligned holes of the first and second series to retain the tubular members in mutually fixed relation.

Claim 4

A method for assembling a safety block having a first tubular member having a first series of circumferentially distributed axially extending rows of holes circumscribing its tube wall, the holes of the first series being spaced in uniform intervals from axially adjacent holes and being axially staggered in uniform intervals relative to circumferentially adjacent holes, and a second tubular member adapted to engage the first tubular member in sliding telescopic relation and having a second series of circumferentially evenly distributed holes, the holes of the second series being axially staggered relative to circumferentially adjacent holes in uniform intervals equal to the fraction obtained by dividing the length of the interval of axial staggering of holes of the first series by the number of holes in the second series, comprising the steps of: telescoping one tubular member inside the other tubular member until the safety block is of a desired length; rotating the first tubular member independently of the second tubular meeker until at least one hole of the first series is in partial alignment with at least one hole of the second series; rotating the second tubular member independently of the first tubular member until at least one hole of the first series is in substantially complete alignment with at least one hole of the second series; and inserting locking means through substantially completely aligned holes of the first and second series to retain the tubular members in mutually fixed relation.