Tools – Wrench – screwdriver – or driver therefor – Attachment – or including adjunct or replaceable portion
Reexamination Certificate
2001-08-21
2002-10-22
Meislin, D. S. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Attachment, or including adjunct or replaceable portion
C081S124500
Reexamination Certificate
active
06467379
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to socket wrenches, and more specifically, to self-adjusting sockets that fit several sizes of fastener projections, e.g. hexagonal nuts and bolt heads.
2. Description of the Prior Art
There are other adjustable sockets. Typical of these is U.S. Pat. No. 1,471,451 issued to Alfred A. Crimp on Oct. 23, 1923.
Another patent was issued to George J. C. Lammers et al. on Feb. 22, 1927 as U.S. Pat. No. 1,618,715. Yet another U.S. Pat. No. 1,688,819 was issued to John Leck on Oct. 23, 1928 and still yet another was issued to John Greiner on Feb. 7, 1933 as U.S. Pat. No. 1,896,949.
Another patent was issued to Andrew Pearson on Apr. 16, 1935 as U.S. Pat. No. 1,997,948. Yet another U.S. Pat. No. 2,711,112 was issued to Adrein E. Durand on Jun. 21, 1955. Another was issued to Jesse P. Rogers on Apr. 7, 1964 as U.S. Pat. No. 3,127,797 and still yet another was issued on Apr. 7, 1964 to Michael J. Gol as U.S. Pat. No. 3,127,798. A patent was issued on Jan. 17, 1967 to Ben H. Lynn as U.S. Pat. No. 3,298,261 and on Jul. 16, 1985 U.S. Pat. No. 4,528,875 was issued to Andrew C. S. Hurst et al.
Another patent was issued to William S. Mathers on Nov. 17, 1992 as U.S. Pat. No. 5,163,344. Yet another U.S. Pat. No. 5,829,328 was issued to Shyong-Chwan Chen on Nov. 3, 1998.
U.S. Pat. No. 1,471,451
Inventor: Alfred A. Crimp
Issued: Oct. 23, 1923
A wrench comprising a stem, a socket casing, a series of sockets slidably nested in said casing, and means between said parts for permitting said sockets to move automatically to accommodate various sized nuts, said means comprising coil springs each having one end engageable with said stem and the other end secured to one of said sockets, and pins secured to alternate sockets and casing and slidable in slots in said sockets to limit the relative longitudinal movement and align the outer ends of said sockets.
U.S. Pat. No. 1,618,715
Inventor: George J. C. Lammers, et al.
Issued: Feb. 22, 1927
A multiple socket wrench comprising a series of nested hexagonal sockets, a slotted handle in the outer socket, a lever pivoted in said handle to be extended at an angle thereto, the outer socket being fixed and the inner sockets slidable therein, means for projecting a selected socket into position for use, pins in each socket extending outwardly beyond the outermost socket, and a spring lever having teeth to engage said pins selectively.
U.S. Pat. No. 1,688,819
Inventor: John Leck
Issued: Oct. 23, 1928
A centering tool comprising a body provided with a recess in one end and a drill seat axially aligned with the recess, a drill in the drill seat projecting into the recess, a bushing removably fitting the recess, the inner faces of opposite walls of the bushing parallel, the body and the bushing provided with aligned orifices, a pin projecting into the orifice in the body, a means to move the pin into and out of the orifice in the bushing, and a means to indicate a length of movement of the pin.
U.S. Pat. No. 1,896,949
Inventor: John Greiner
Issued: Feb. 7, 1933
In a socket wrench, the combination with an outer wrench body shell having a contracted nut engaging socket section of elongated formation and a tubular handle section of larger diameter than the first section and an intermediate tapered section integrally connecting the first two sections of a plurality of telescopically united nut engaging socket tubes telescopically mounted in the first section of the shell, a head for the handle section, said plurality of nut engaging socket tubes having extension arms, flanged rings of gradual increasing diameters located at one end of the handle section and having arms connected to the arms of the nut engaging socket tubes, said flange rings being abutted and the flanged ring of larger diameter engaging a shoulder where the tapered section merges into the handle section, thereby limiting the nut engaging socket tubes with their outer end edges flush, and spring means interposed between the flanged rings and the head, thereby yieldably mounting the nut engaging socket tubes.
U.S. Pat. No. 1,997,948
Inventor: Andrew Pearson
Issued: Apr. 16, 1935
A socket wrench including a hollow head open at one end and closed at its other, a set of socket members nested in encompassing relation, open at each end positioned within and movable automatically towards the closed end of said head selectively by and to accommodate various sized nuts, the inner members of said set having means at their inner ends completely spaced from the inner face of the head and bearing upon the inner ends of the outer members of the set to prevent said inner members dropping out of their nested positions from said head, said head and the outer member of said set having coacting means to prevent said outer member from dropping out of its nested position relative to said head, a controlling spring interposed between the inner member of said set and said closed end for normally maintaining said members in inner end abutting engagement, spring controlled means extending through opposed portions of said members and head for releasably latching the members together in nested position and to said head, the said coacting means on the outer member of said set being in the form of a pair of spaced leaf springs disposed lengthwise of and having their inner ends anchored to the outer face of said outer member, said springs having their outer portions curved towards and beyond the inner face of said head, the coacting means on said head being in the form of spaced tapered recesses in the outer portion of the inner face of said head, the outer walls of said recesses forming shoulders normally engaged by the outer end edges of the outer portions of said springs, and the said outer member of said set being of uniform thickness throughout and spaced throughout from the inner face of the head.
U.S. Pat. No. 2,711,112
Inventor: Adrien E. Durand
Issued: Jun. 21, 1955
A multiple socket wrench comprising a handle, a head member in the form of a socket on one end of said handle, a plurality of variously sized socket members nested in encompassing relation in the socket of the head member and longitudinally slidable one within another, and means for selectively and releasably latching said socket members in retracted nested position and arranged to release any one of them for longitudinal sliding movement relative to the others whereby it may be pushed outwardly into an extended position for service or pulled back into a retracted nested state, said means including a slotted selector disk revolvably mounted with respect to said head member and said socket members, and actuating fingers individually carried by said socket members protruding outwardly through the slots in said disk and arranged to be interengaged and releasably locked in said disk in certain of its rotated positions against longitudinal shifting movement therethrough but selectively releasable therefrom upon turning movement of the disk into different selected positions to effect manual shifting and exposure of a particular sized socket member for use or its retraction into a completely nested state within the others.
U.S. Pat. No. 3,127,797
Inventor: Jesse P. Rogers
Issued: Apr. 7, 1964
A self-selecting nut runner for quick advancement of a nut during continuous contact therewith comprising a housing connected in alignment with a removable outer socket casing, a plurality of normally aligned sockets encased by said outer socket, each of said plurality of sockets independently movable with respect to the adjacent sockets to accommodate various sized nuts, a first biasing means for maintaining said plurality of sockets in the normally aligned position, a shank normally connected at one end thereof to said housing, a floating handle means located at the other end on said shank, said handle means including a first section rigidly mounted on said shank, a second section slidably mounted on and extending beyond said first section, a second biasing means interengaging said first a
Kroll Michael I
Meislin D. S.
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