US841082A - Harrow-tooth fastener. - Google Patents

Harrow-tooth fastener. Download PDF

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Publication number
US841082A
US841082A US32346706A US1906323467A US841082A US 841082 A US841082 A US 841082A US 32346706 A US32346706 A US 32346706A US 1906323467 A US1906323467 A US 1906323467A US 841082 A US841082 A US 841082A
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United States
Prior art keywords
tooth
bar
clip
harrow
face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US32346706A
Inventor
Claude E Freeman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
H P DEUSCHER Co
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H P DEUSCHER Co
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Publication date
Application filed by H P DEUSCHER Co filed Critical H P DEUSCHER Co
Priority to US32346706A priority Critical patent/US841082A/en
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Publication of US841082A publication Critical patent/US841082A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B23/00—Elements, tools, or details of harrows
    • A01B23/02—Teeth; Fixing the teeth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof
    • F16B7/0493—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof forming a crossed-over connection
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/71—Rod side to plate or side
    • Y10T403/7164—One rod held between bight and other rod extending through aperture in leg of connector

Definitions

  • My invention relates to harrow-tooth fasteners; and the objects of my im rovement are to provide means for removab y securing the teeth to the tooth-bars and in difierent transverse or horizontal positions of adjustment thereon and to dispense with the usual clamping-bolts and bolt-holes in the toothbars.
  • 1 represents a tooth-bar, preferably U-shaped in cross-section
  • 2 a tooth clamp or clip consisting of a single piece of preferably resilient metal
  • Said clip consists of a single piece of thin resilient metal formed with a central bend 3 and with its end portions terminating beyond the face of the bar in parallel wings 4.
  • Said wings are each provided with a rectangular opening 5 in registration with the other and quartering to the direction of the tooth-bar.
  • a rectangular tooth 6 is loosely movable through said openings, with one of its corners contiguous to the face of the bar.
  • Said key is preferably provided with a toe 8 to prevent it from getting lost or being removed without first removing either the tooth or the bar from the clip, and said tooth is provided with a head 9 to prevent it from passing through the openings in the clip and getting lost should the key become accidentally loosened during use.
  • the tooth In operation when the key is loosened the tooth may be adjusted through the openings in the clip as desired, and also the clip with the tooth may be adjusted longitudinally along the bar.
  • the key serves to securely fasten the clip and the tooth with one of its corners immovably against the front edge of the bar, and the slight elongation of the curved portion of the clip thereby, as shown in dotted lines in Fig. 2, causes it to form a yielding resistance to the removal of the key or the movement of the tooth through the clip or along the bar.
  • Said yielding resistance of the clip compensates for the expansion or contraction of the parts when eX- posed to different temperatures and prevents them from becoming loosened by exposure to extreme changes of weather.
  • a tooth-bar,'a clip consisting of a single piece of thin resilient metal formed with a central bend adapted to partially encircle the bar and with parallel win s whichterminate beyond the face of the ar, said wings being each provided with a rectangular opening 1n registration with the other and quartering to the direction of the bar, a headed rectangular tooth longitudinally adjustable through the openings, and a narrow wedge provided with a retainingtoe and interposed between the curved portion of the clip and the rear side of the bar, whereby the curvature of the clip may be elongated and the clip and tooth thereby yieldingly maintained in adjusted positions on the bar.

Description

No. 841,082. PATENTED JAN. a, 1907.
O. E. FREEMAN. HARROW TOOTH PASTENER.
APPLICATION FILED JUNE 26, 1906.
Witness. Cmude Efrwmm. hulenkor.
THE NORRIS PETERS ca, WASHINGTON, 04 c.
UNITED STATES PATENT OFFICE.
CLAUDE E. FREEMAN, OF HAMILTON, OHIO, ASSIGNOR TO THE H. P. DEUSOHER COMPANY, OF HAMILTON, OHIO, A CORPORATION OF OHIO.
HARROW-TOOTH FASTENER- Specification of Letters Patent.
Patented Jan. 8, 1907.
To all whom it may concern:
Be it known that I, CLAUDE E. FREEMAN, a citizen of the United States, residing at Hamilton, Butler county, Ohio, have invent.- ed a new and useful Improvement in Harrow- Tooth Fasteners, of which the following is a specification.
My invention relates to harrow-tooth fasteners; and the objects of my im rovement are to provide means for removab y securing the teeth to the tooth-bars and in difierent transverse or horizontal positions of adjustment thereon and to dispense with the usual clamping-bolts and bolt-holes in the toothbars. These objects are attained in the following described manner, as illustrated in the accompanying drawings, in which- Figure 1 is an isometrical view of a harrowtooth fastener embodying my improvement Fig. 2, a vertical section on the line a a of Fig. 1, and Fig. 3 a plan.
In the drawings, 1 represents a tooth-bar, preferably U-shaped in cross-section, and 2 a tooth clamp or clip consisting of a single piece of preferably resilient metal. Said clip consists of a single piece of thin resilient metal formed with a central bend 3 and with its end portions terminating beyond the face of the bar in parallel wings 4. Said wings are each provided with a rectangular opening 5 in registration with the other and quartering to the direction of the tooth-bar. A rectangular tooth 6 is loosely movable through said openings, with one of its corners contiguous to the face of the bar. A narrow wedge or taper key 7, interposed between the rear curved portions of the clip and bar, serves to elongate the curvature of the clip, and thereby yieldingly maintain the tooth against the face of the bar in any desired longitudinalor transverse positions of adjustment thereon. Said key is preferably provided with a toe 8 to prevent it from getting lost or being removed without first removing either the tooth or the bar from the clip, and said tooth is provided with a head 9 to prevent it from passing through the openings in the clip and getting lost should the key become accidentally loosened during use.
In operation when the key is loosened the tooth may be adjusted through the openings in the clip as desired, and also the clip with the tooth may be adjusted longitudinally along the bar. The key serves to securely fasten the clip and the tooth with one of its corners immovably against the front edge of the bar, and the slight elongation of the curved portion of the clip thereby, as shown in dotted lines in Fig. 2, causes it to form a yielding resistance to the removal of the key or the movement of the tooth through the clip or along the bar. Said yielding resistance of the clip compensates for the expansion or contraction of the parts when eX- posed to different temperatures and prevents them from becoming loosened by exposure to extreme changes of weather.
Having fully described my improvement, what I claim as my invention, and desire to secure by Letters Patent of the United States, is
1. The combination of a tooth-bar,'a clip consisting of a single piece of thin resilient metal formed with a central bend adapted to partially encircle the bar and with parallel win s whichterminate beyond the face of the ar, said wings being each provided with a rectangular opening 1n registration with the other and quartering to the direction of the bar, a headed rectangular tooth longitudinally adjustable through the openings, and a narrow wedge provided with a retainingtoe and interposed between the curved portion of the clip and the rear side of the bar, whereby the curvature of the clip may be elongated and the clip and tooth thereby yieldingly maintained in adjusted positions on the bar.
2. The combination of a U-bar, a clip formed of resilient metal and adapted to encircle three sides thereof, said clip terminating its ends in parallel wings beyond the face of the bar and said wings being provided with rectangular openings in registration with each other, and set quartering to the face of the bar, a tooth formed rectangular in cross-section and provided with a head, said tooth being adjustable through the openings, and a-wedge interposed between the clip and rear face of the bar for yieldingly clamping the tooth with one of its corners in contact with the face of the bar.
CLAUDE E. FREEMAN.
Witnesses:
FRANK X. DUERR, H S. CARR.
US32346706A 1906-06-26 1906-06-26 Harrow-tooth fastener. Expired - Lifetime US841082A (en)

Priority Applications (1)

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US32346706A US841082A (en) 1906-06-26 1906-06-26 Harrow-tooth fastener.

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US32346706A US841082A (en) 1906-06-26 1906-06-26 Harrow-tooth fastener.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940192A (en) * 1957-09-12 1960-06-14 Cleveland Trencher Co Tooth for excavators
US4014078A (en) * 1976-01-16 1977-03-29 Electro-Clamp Corporation Clamping device with adjusting ring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940192A (en) * 1957-09-12 1960-06-14 Cleveland Trencher Co Tooth for excavators
US4014078A (en) * 1976-01-16 1977-03-29 Electro-Clamp Corporation Clamping device with adjusting ring

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