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US439245A - John hoff - Google Patents

John hoff Download PDF

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Publication number
US439245A
US439245A US439245DA US439245A US 439245 A US439245 A US 439245A US 439245D A US439245D A US 439245DA US 439245 A US439245 A US 439245A
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Prior art keywords
bolt
thill
john
iron
spring
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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

  • My invent-ion relates to a certain improvement in thill-couplings, which is illustrated in the acoompanyingdrawings.
  • Figure 1 is a side View of the device with the thill-iron, the bolt, and retaining-spring in position to hold the bolt.
  • Fig. 2 is a side view of the clip portion with the thill-iron and bolt removed and the retaining-spring in the down position.
  • Fig. 3 is a top view with part of the ears, the thill-iron, and reraining-spring shown in section and exposing the bolt.
  • Fig. 4 shows two views of the re,- taining-spring.
  • Fig. 5 is a View of the bolt.
  • Fig.6 shows a modification of the bolt, which is square adjoining the head.
  • the letter A designates the thill-iron, B the axle, and O the axle-clip with the ears a a, each of which is provided with a bolt-hole b to receive the thill-bolt c.
  • the bolt-hole bin One end of this spring is secured to the side of the ear by a pivot f.
  • the other end being free to swing, is provided with a hole 6, which engages with a pin e, secured to the side of the ear a.
  • the pin 6 holds the retaining-spring cl stationary when in position over the bolt-head c'-.
  • the mode of operation is as follows: To take out the thill-iron the free end of the retaining-spring d is drawn out of engagement with the pin 6 and turned down to the position indicated in Fig. 2, thus uncovering'the bolthead and allowing the bolt to be drawn out and the thill-iron removed from its position between the ears a a, If it is desired to put the thill-iron into place, the reverse operation is used.
  • a thin-coupling having a thill-iron, an axle-clip with ears attached, one ear having at its side a pin e, a coupling-bolt to hold the thill-iron, and a spring-plate in contact with the side of the ear which has the pin and pivoted thereto by one end and the free end provided with a hole to engage with said pin, said spring-plate pressing directly against the head of the coupling-bolt, as shown and described.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Harvesting Machines For Root Crops (AREA)

Description

( No Model.)
J. HOFP.
THILL COUPLING.
No. 439,245. I Patented Oct. 28, 1890.
r a A I (l Z WITNESSES: F INVENTOR:
V BY 3.44M
ATTORNEY.
m: mums ps-rzns cm, wuTo-umm, WASHINGTON n c UNITED STATES PATENT OFFICE.
JOHN HOFF, OF OWINGS MILLS, MARYLAND THlLL-COUPLING.
SPECIFICATION forming part of Letters Patent NO. 439,245, dated October 28, 1890.
Application filed March 4, 1890. Serial No. 342,602. (No model.)
To all whom it may concern:
Be it known that I, JOHN HOFF, a citizen of the United States, residing at Owings Mills, in the county of Baltimore and State of Maryland, have invented certain new and useful Improvements in Thin-Couplings, of which the following is a specification.
My invent-ion relates to a certain improvement in thill-couplings, which is illustrated in the acoompanyingdrawings.
Figure 1 is a side View of the device with the thill-iron, the bolt, and retaining-spring in position to hold the bolt. Fig. 2 is a side view of the clip portion with the thill-iron and bolt removed and the retaining-spring in the down position. Fig. 3 is a top view with part of the ears, the thill-iron, and reraining-spring shown in section and exposing the bolt. Fig. 4 shows two views of the re,- taining-spring. Fig. 5 is a View of the bolt. Fig.6 shows a modification of the bolt, which is square adjoining the head.
The letter A designates the thill-iron, B the axle, and O the axle-clip with the ears a a, each of which is provided with a bolt-hole b to receive the thill-bolt c. The bolt-hole bin One end of this spring is secured to the side of the ear by a pivot f. The other end being free to swing, is provided with a hole 6, which engages with a pin e, secured to the side of the ear a. The pin 6 holds the retaining-spring cl stationary when in position over the bolt-head c'-.
The mode of operation is as follows: To take out the thill-iron the free end of the retaining-spring d is drawn out of engagement with the pin 6 and turned down to the position indicated in Fig. 2, thus uncovering'the bolthead and allowing the bolt to be drawn out and the thill-iron removed from its position between the ears a a, If it is desired to put the thill-iron into place, the reverse operation is used.
Having described my invention, I claim In combination,a thin-coupling having a thill-iron, an axle-clip with ears attached, one ear having at its side a pin e, a coupling-bolt to hold the thill-iron, and a spring-plate in contact with the side of the ear which has the pin and pivoted thereto by one end and the free end provided with a hole to engage with said pin, said spring-plate pressing directly against the head of the coupling-bolt, as shown and described.
.In testimony WhereofI aflix my signature in the presence of two witnesses.
WVitnesses:
JOHN E. MORRIS, JNo. T. MAnnoX.
JoHNneErj
US439245D John hoff Expired - Lifetime US439245A (en)

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