US633442A - Thill-coupling. - Google Patents

Thill-coupling. Download PDF

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Publication number
US633442A
US633442A US71698999A US1899716989A US633442A US 633442 A US633442 A US 633442A US 71698999 A US71698999 A US 71698999A US 1899716989 A US1899716989 A US 1899716989A US 633442 A US633442 A US 633442A
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Prior art keywords
thill
bolt
pivot
link
clip
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US71698999A
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Albert H Forsythe
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01—Traction couplings or hitches characterised by their type
    • B60D1/02—Bolt or shackle-type couplings
    • 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
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings

Definitions

  • W/TNESSES TOUTNO wash NITED STATES PATENT ()FFICEQ ALBERT H. FORSYTHE, OF SARCOXIE, MISSOURI.
  • the object of my invention is to provide a clamp or locking device for connecting the clip with the thill or pole irons or thill or pole couplings and to so construct the device that but two parts are needed, both of which are simple, yet light and strong.
  • a further object of the invention is to provide a clamp or locking device of the character described in which nuts are not required and that can be speedily attached to or detached from the parts to be united and which may be used for connections of the ordinary type and without any changes in the latter.
  • the invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth, and pointed out in the claim.
  • Figure 1 is a side elevation of the thill-iron and clip and an end view of the clamp or locking device connecting and locking the two parts.
  • Fig. 2 is a front elevation of the clip and thill-iron and locking device used in connection with the two.
  • Fig. 3 is an enlarged side elevation of the clamp or locking device, and
  • Fig. 4 is an end view of the same.
  • A represents a clip of ordinary construction, comprising a top bar 10, pendent members 11, adapted for engagement one with the front and the other with the rear of the axle and provided with the usual thread 12 at their lower ends, and the ordinary eyes 10, formed at the forward upper portion of the said clip.
  • thill or pole iron which consists of a body-bar 13, adapted for attachment to the thill or pole, and a knuckle 14:, adapted to fit and turn between the eyes 10 of the clip.
  • the im proved lockin g device or clamp O is illustrated in detail in Figs. 3 and 4c, and consists of a pivot-bolt 15, a spring-arm 19 below the pivot-bolt, and a connecting-bar 20, that of the bolt 15 a keeper-head 16 is formed of less diameter than the boltitself.
  • the outer end of this keeper-bolt is provided with abeveled or inclined surface 17, that leads to a recess 18, preferably concave and located in the upper surface of the keeper-headadjacent to its junction with the said pivot-bolt, as is particularly shown in Fig. 3.
  • the springarm 19 normally stands at an angle to the pivot-bolt, as shown in dotted lines in Fig. 3, and terminates at its free end or the end that .is beneath the keeper-head 16 in an eye 22,
  • the said eye 22 being adapted to pivotally receive one end of a link 21, the other end of the link, when the clamp is in looking position, being passed over the keeper-head and made to enter the recess 18 therein.
  • the link 21 is provided with a deep solid section 21 adapted to extend above the pivot-bolt 15, and at this section 21 a handle 21 is formed.
  • the knuckle of the thill-iron is placed between the eyes 10 of the clip, and the link 21 of the clamp or locking device is dropped downward from the spring-arm, as shown in dotted lines in Fig. 3.
  • a washer 23 is then placed on the pivot-bolt and carried to an engagement with the end connected with the spring-arm.
  • the bolt is then passed through the eyes 1O and knuckle 1 1, and a second washer 23 is placed upon the bolt, the two washers engaging with the outer faces of the two eyes, as illustrated in Fig. 2.
  • the link 21 by means of its handle 21 is then carried to locking engagement with the keeperhead 16 in the manner described and cannot be shaken from such position by reason of the spring-arm 19 being drawn up parallel with the pivot-bolt when the link engages properly with the keeper-head.
  • the section 21 of the link forms a support for the upper portion of the washer 23.
  • a thill-coupling comprising a clip having eyes, a thill-iron having an eye fitted between the eyes of the clip, and a locking device or clamp comprising a pivot bolt extending through the eyes of the clip and thill-iron, washers mounted on the pivot-bolt and located respectively at the ends thereof a connecting-bar attached to one end of the pivotbolt, a spring-arm secured to the connectingbar and having an eye formed in the free end thereof, the spring-arm passing beneath the pivot-bolt, and a locking-link comprising an eye received in the eye of the spring-arm, the link also comprising a solid section at its upper end which is adapted to engage in a recess formed in the end of the pivot-bolt, said end of the pivot-bolt being beveled to permit the solid portion of the locking-link to slide up into the recess, and the locking-link also having a handled portion projected upwardly and forwardly from the front end.

Description

Patented Sept. 19, I899.
A. H. FORSYTHE.
THILL COUPLING.
(Application fi 1ed may 16, 1899.)
(No Model.)
W/TNESSES TOUTNO" wash NITED STATES PATENT ()FFICEQ ALBERT H. FORSYTHE, OF SARCOXIE, MISSOURI.
THlLL-COUPLING.
SPECIFICATION forming part of Letters Patent No. 633,442, dated September 19, 1899.
Application filed May 16, 1899. Serial No. 716,989. (No model.)
of Missouri, have invented a new and 1m proved 'lhill and Pole Coupling, of which the following is a full, clear, and exact description.
The object of my invention is to provide a clamp or locking device for connecting the clip with the thill or pole irons or thill or pole couplings and to so construct the device that but two parts are needed, both of which are simple, yet light and strong.
A further object of the invention is to provide a clamp or locking device of the character described in which nuts are not required and that can be speedily attached to or detached from the parts to be united and which may be used for connections of the ordinary type and without any changes in the latter.
The invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth, and pointed out in the claim.
Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures.
Figure 1 is a side elevation of the thill-iron and clip and an end view of the clamp or locking device connecting and locking the two parts. Fig. 2 is a front elevation of the clip and thill-iron and locking device used in connection with the two. Fig. 3 is an enlarged side elevation of the clamp or locking device, and Fig. 4 is an end view of the same.
A represents a clip of ordinary construction, comprising a top bar 10, pendent members 11, adapted for engagement one with the front and the other with the rear of the axle and provided with the usual thread 12 at their lower ends, and the ordinary eyes 10, formed at the forward upper portion of the said clip.
13 represents a thill or pole iron which consists of a body-bar 13, adapted for attachment to the thill or pole, and a knuckle 14:, adapted to fit and turn between the eyes 10 of the clip.
The im proved lockin g device or clamp O is illustrated in detail in Figs. 3 and 4c, and consists of a pivot-bolt 15, a spring-arm 19 below the pivot-bolt, and a connecting-bar 20, that of the bolt 15 a keeper-head 16 is formed of less diameter than the boltitself. The outer end of this keeper-bolt is provided with abeveled or inclined surface 17, that leads to a recess 18, preferably concave and located in the upper surface of the keeper-headadjacent to its junction with the said pivot-bolt, as is particularly shown in Fig. 3. The springarm 19 normally stands at an angle to the pivot-bolt, as shown in dotted lines in Fig. 3, and terminates at its free end or the end that .is beneath the keeper-head 16 in an eye 22,
the said eye 22 being adapted to pivotally receive one end of a link 21, the other end of the link, when the clamp is in looking position, being passed over the keeper-head and made to enter the recess 18 therein. The link 21 is provided with a deep solid section 21 adapted to extend above the pivot-bolt 15, and at this section 21 a handle 21 is formed.
In operation the knuckle of the thill-iron is placed between the eyes 10 of the clip, and the link 21 of the clamp or locking device is dropped downward from the spring-arm, as shown in dotted lines in Fig. 3. A washer 23 is then placed on the pivot-bolt and carried to an engagement with the end connected with the spring-arm. The bolt is then passed through the eyes 1O and knuckle 1 1, and a second washer 23 is placed upon the bolt, the two washers engaging with the outer faces of the two eyes, as illustrated in Fig. 2. The link 21 by means of its handle 21 is then carried to locking engagement with the keeperhead 16 in the manner described and cannot be shaken from such position by reason of the spring-arm 19 being drawn up parallel with the pivot-bolt when the link engages properly with the keeper-head. The section 21 of the link forms a support for the upper portion of the washer 23.
Having thus described my invention, I
claim as new and desire to secure by Letters Patent A thill-coupling, comprising a clip having eyes, a thill-iron having an eye fitted between the eyes of the clip, and a locking device or clamp comprising a pivot bolt extending through the eyes of the clip and thill-iron, washers mounted on the pivot-bolt and located respectively at the ends thereof a connecting-bar attached to one end of the pivotbolt, a spring-arm secured to the connectingbar and having an eye formed in the free end thereof, the spring-arm passing beneath the pivot-bolt, and a locking-link comprising an eye received in the eye of the spring-arm, the link also comprising a solid section at its upper end which is adapted to engage in a recess formed in the end of the pivot-bolt, said end of the pivot-bolt being beveled to permit the solid portion of the locking-link to slide up into the recess, and the locking-link also having a handled portion projected upwardly and forwardly from the front end.
ALBERT H. FORSYTHE.
Vitnesses:
HENRY B. BOYD, JOSEPH J. SPRAGUE.
US71698999A 1899-05-16 1899-05-16 Thill-coupling. Expired - Lifetime US633442A (en)

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