Patent ID: 11865676

Abstract:
An adjustable wrench (1) with a head portion (200), automatically adjustable within its size range. The fastener (80) to be operated is fitted between the fixed jaw (201) and moving jaw (300), the operators thumb pressure released, automatically propelling the moving jaw 300 towards the fixed jaw (200), the use of four workpiece contacting surfaces (202, 203, 302, 303), two within each opposing jaw (201, 300), engaging the four corresponding actual levered faces (83) to each apply a drive force to a hexagonal fastener head 81. The head portion (200) illustrated in section in order to show the gear teeth (403) on the head end (402) of the handle (400) levering closed the moving jaw (300) via its associated wedge-shaped rack gear (312). The handle (400) pivoting at the point PP that the relevant head end gear tooth (403) engages the corresponding rack gear tooth (312) further urging the handle locking teeth (407) into the pawl locking teeth (61) within the confines of the elongate pin hole elongate portion 404 creating a further jaw (201, 300) ratcheting/locking closure mechanism.