Axial immobile fastener-receiving member

A fastener-receiving member adapted to be disposed in a hole and to receive a fastener member, comprising:

• a nut section formed with a central aperture sized to receive a fastener member, said nut section being located at a first axial end of said receiving member:
• a locking section extending from said nut section and configured to secure the fastener-receiving member in a hole;
• and
• an extension section extending from said locking section and having a central aperture for passage of the fastener member, said extension section being formed such that it can be removed accurately at a desired incremented axial position;
• an insertion section extending from said extension section;
• said insertion section being generally cube-like with two holes being formed in the sides of said cube and a third hole being formed in the top.

A fastener-receiving member adapted to be disposed in a hole and to receive a fastener member, comprising:

• a nut section formed with a central aperture sized to receive a fastener member, said nut section being located at a first axial end of said receiving member;
• a locking section extending from said nut section and configured to secure the fastener-receiving member in a hole;
• and
• said nut section comprising a generally cylindrical member with an inner periphery facing said aperture and an outer periphery facing outwardly, said outer periphery having alternating ridges and valleys and said aperture having a first generally star-shaped portion, thus causing said cylindrical nut section to have locally thin and thick wall sections, and a second generlaly rectangular portion.

A fastener-receiving member adapted to be disposed in a hole and to receive a fastener member, comprising:

• a nut section formed with a central aperture sized to receive a fastener member, said nut section being located at a first axial end of said receiving member, said nut section comprising a generally cylindrical member with an inner periphery facing said aperture and an outer periphery facing outwardly and said outer periphery having alternating ridges and valleys, said aperture having a first generally star shaped portion, thus causing said cylindrical nut section to have locally thin and thick wall section and a second generally rectangular section;
• a locking section extending from said nut section and configured to secure the fastener receiving member in a hole, said locking section comprising a wing-like member with two opposed wings each having a first and second wing section, said first wing section being resiliently attached to and extending radially outwardly from said extension section such that it can pivot out of a relaxed position in a direction away from said nut section, said second wing sections being resiliently attached to and extending radially outwardly from said nut section such that it can pivot out of a relaxed position with said first wing section in a direction away from said nut section, said first and second wing sections extending from said extension section and said nut section respectively at least partially in a direction away from said nut section while they are in their relaxed positions;
• an extension section extending from said locking section and having a central aperture for passage of the fastener member, said extension section being formed such that it can be removed accurately at a desired incremented axial position, said extension section having an inner periphery facing inwardly toward its central aperture and an outer periphery facing outwardly, said outer periphery being formed with incremental teeth, said extension section being formed of two separate elongated opposed members;
• and
• a cap member slidably received on said outer periphery and incrementally slidably adjustable along said incremental teeth, said teeth firmly holding said cap at any incremental position, application of a relative force to said cap and said extension section causing said cap to be slid incrementally on said teeth, said cap being the feature that allows the extension section to be removed at a desired incremented axial position.

A combination comprising:

• a fastener-receiving member having a nut section, a locking section and an insertion section, said insertion section having at least one hole;
• an insertion tool for holding and inserting said fastener-receiving member into a hole and being formed with at least one plug that corresponds to said hole;
• said fastener-receiving member nut section is formed with a central aperture sized to receive a fastener member, said nut section being located at a first axial end of said receiving member;
• said locking section extends from said nut section and is configured to secure the fastener-receiving member in a hole;
• said fastener-receiving member further having an extension section extending from said locking section and having a central aperture for passage of the fastener member, said extension section being formed such that it can be removed accurately at a desired axial position;
• said extension section has an inner periphery facing inwardly toward said central aperture and an outer periphery facing outwardly, said outer periphery being formed with incremental teeth;
• a cap member slidably received on said outer periphery and incrementally slidably adjustable along said incremental teeth, said teeth firmly holding said cap in any incremental position, application of a relative force to said cap and said extension section causing said cap to be slid incrementally on said teeth, said cap being secured at desired incremental positions on said teeth and acting as the feature that will allow the extension section to be removed;
• and
• said insertion tool comprises a sleeve member adapted to receive said cap;
• said insertion tool further comprising a gripping member, said gripping member being formed with said at least one plug;
• and
• said sleeve member acting to apply a force to said cap and said gripper member acting to apply a force to said extension section such that said cap is incrementally advanced along said extension section.