US395595A - Wrench - Google Patents

Wrench Download PDF

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Publication number
US395595A
US395595A US395595DA US395595A US 395595 A US395595 A US 395595A US 395595D A US395595D A US 395595DA US 395595 A US395595 A US 395595A
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United States
Prior art keywords
detent
ratchet
wrench
arm
spring
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/44—Spanners; Wrenches of the chuck type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S81/00—Tools
    • Y10S81/04—Double adjustments, sliding jaw

Definitions

  • the special. object of the invention is to remove the objection now existin to sliding-j aw ratchetsnamely, that they do not take a close grip of the nut, but always allow more or less of slack.
  • Figure 1 of the drawings is a plan view of my improved wrench, and Fig. 2 a longitudinal median section on dotted line [we of Fig. 1.
  • A represents the stationary jaw provided with the arm a, on which slides the hollow movable jaw B, carrying the pivoted lever-detent 0.
  • a spring, D Under one arm, 0, of this detent is placed a spring, D, and under the other arm, 0, are formed one or more teeth, 0 the end 0 being held up by the spring D, so as to force down the toothed end 0 upon the ratchet E.
  • the latter is loose in the groove (0 of the arm a, and held by a spring, F, at one end against the metallic ferrule G on the inner end of the handle II, which is swiveled in the end threaded arm, a, and held by the nut I.
  • the handle-ferrule G has a cam, g, which works against the lug c of the ratchet, so as to adjust and hold it to the detent.
  • the spring detent (I I) automatically takes abite on the ratchet, when a partial turn of the handle causes the jaws to embrace the nut without any slack whatever.
  • the ratchet is on the side of the bar, instead of on the edge, where the most wear comes; also, the lever-detent is arranged very low, so as to be out of the way; also, the shoulder, which sets again st the end of the slidin g jaw, is made square, so that it takes most of the strain from the pin.
  • the swivcled handle ll carryin cam g, in combination with the loose ratchet E, held against said cam by a spring at its front end and provided with a lug, e, at the other end, as and for the purpose specified.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)

Description

(No Model.)
A. K. SPAULDING,
WRENCH.
No. 395,595. PatentedJan. l, 1889.
5. Pmwmhu nphar. wn'shin wn. D. Q
UNITED STATES ALBION K. SPAULD'ING, OF
PATENT OFFICE.
NORTII BELGRADE, MAINE.
WRENCH.
SPECIFICATION forming part of Letters Patent No. 395,595, dated January 1, 1889.
Application filed April 13, 1388. Serial No. 270,562. (N0 model.)
To all whom it may concern.-
Be it known that I, ALBION K. SPAULDING, a citizen of the United States, residing at North Belgrade, in the county of Kennebec and State of Maine, have invented certain new and useful Improvements in Sliding- Jaw Ratchetrenches; and I do declare the following tobe a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appcri'ains to make and use the same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specification.
The special. object of the invention is to remove the objection now existin to sliding-j aw ratchetsnamely, that they do not take a close grip of the nut, but always allow more or less of slack. In order to overcome this, I make the ratchet itself adjustable, so that after the detent on sliding jaw has taken its hold upon the tooth or teeth of ratchet the latter can be forced or jammed up to the detent, thus taking up all slack whatsoever.
Figure 1 of the drawings is a plan view of my improved wrench, and Fig. 2 a longitudinal median section on dotted line [we of Fig. 1.
In the drawings, A represents the stationary jaw provided with the arm a, on which slides the hollow movable jaw B, carrying the pivoted lever-detent 0. Under one arm, 0, of this detent is placed a spring, D, and under the other arm, 0, are formed one or more teeth, 0 the end 0 being held up by the spring D, so as to force down the toothed end 0 upon the ratchet E. The latter is loose in the groove (0 of the arm a, and held by a spring, F, at one end against the metallic ferrule G on the inner end of the handle II, which is swiveled in the end threaded arm, a, and held by the nut I. The handle-ferrule G has a cam, g, which works against the lug c of the ratchet, so as to adjust and hold it to the detent. \Vhen the sliding jawl3 has been moved up against the nut, the spring detent (I I) automatically takes abite on the ratchet, when a partial turn of the handle causes the jaws to embrace the nut without any slack whatever. The ratchet is on the side of the bar, instead of on the edge, where the most wear comes; also, the lever-detent is arranged very low, so as to be out of the way; also, the shoulder, which sets again st the end of the slidin g jaw, is made square, so that it takes most of the strain from the pin.
\Vhat I claim as new, and desire to protect by Letters Patent, is
In wrenches, the swivcled handle ll, carryin cam g, in combination with the loose ratchet E, held against said cam by a spring at its front end and provided with a lug, e, at the other end, as and for the purpose specified.
In testimony whereof I affix my signature in presence of two witnesses.
ALBION K. SPAULDING.
Witnesses:
EMERsoN N. TRASK, CHESTER A. MEssER.
US395595D Wrench Expired - Lifetime US395595A (en)

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