US 12,371,941 B2
Self-aligning jamb jack screw with partial sphere
Charles James Spofford, Greenfield, MA (US)
Filed by Charles James Spofford, Greenfield, MA (US)
Filed on Dec. 20, 2024, as Appl. No. 18/989,207.
Application 18/989,207 is a continuation in part of application No. 17/994,372, filed on Nov. 27, 2022, granted, now 12,173,516.
Claims priority of provisional application 63/372,079, filed on Mar. 11, 2022.
Prior Publication US 2025/0116152 A1, Apr. 10, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. E06B 1/60 (2006.01); E04F 21/00 (2006.01)
CPC E06B 1/6076 (2013.01) [E04F 21/0015 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a cylindrical threaded adjustment component with a cylindrical surface on an interior wall and an adjustment component threads on an exterior wall, the cylindrical threaded adjustment component extending through a cylinder with an exterior surface to a cut-off sphere, the cylindrical surface extending through the cylinder and the cut-off sphere;
a platform base with a socket configured to encompass the cut-off sphere such that the platform base pivots around the cut-off sphere; and
a jamb, the cylindrical threaded adjustment component mechanically connected to the jamb.