Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1994-02-18
1995-01-03
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
81163, 81165, B25B 1346
Patent
active
053775660
ABSTRACT:
A new and improved adjustable ratchet wrench apparatus includes a handle assembly and a wrench head assembly which includes a ratchet assembly and a jaw assembly. The ratchet assembly includes a ratchet assembly housing connected to the handle assembly. The ratchet assembly housing is substantially C-shaped and includes a first free-ended portion and a second free-ended portion. A first gap is provided between a first free end of the first free-ended portion and a second free end of the second free-ended portion. The ratchet assembly includes a first ratchet element supported by the ratchet assembly housing. The first ratchet element permits unidirectional rotation of the jaw assembly. The jaw assembly includes a substantially C-shaped jaw assembly housing which is nested within and is supported by the ratchet assembly housing for relative rotation between the ratchet assembly housing and the jaw assembly housing. The jaw assembly housing is capable of rotating 360 degrees repetitively within the ratchet assembly housing. The jaw assembly housing includes peripheral gear teeth that are engaged by the first ratchet element. A second gap is provided between a first free end and a second free end of the jaw assembly housing. The jaw assembly includes a jaw-adjustment assembly connected to the jaw assembly housing for adjusting a third gap between the first jaw member and the second jaw member such that the first jaw member and the second jaw member are adjusted onto a nut or bolt.
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patent: 5040439 (1991-08-01), Chapman
patent: 5090273 (1992-02-01), Fossella
patent: 5095782 (1992-03-01), Galea
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