US203198A - Improvement in log-tongs - Google Patents

Improvement in log-tongs Download PDF

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Publication number
US203198A
US203198A US203198DA US203198A US 203198 A US203198 A US 203198A US 203198D A US203198D A US 203198DA US 203198 A US203198 A US 203198A
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Prior art keywords
log
tongs
grapples
improvement
chain
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/422—Gripping members engaging only the external or internal surfaces of the articles actuated by lifting force

Definitions

  • the object of my invention is to provide a set of log tongs or grapples which may readily be placed over the end of the log, thus saving time and trouble in getting a chain under and hitched around the log, and also providing something for the end of the log to rest upon while being drawn along, and thus preventing the end of the log, while being hauled along, from plowing into the ground or striking against impediments, the grapples acting as runners for the end of the log to rest on.
  • log-tongs logs can be hauled on the ground easier than by a chain or any other attachment now used.
  • the log-tongs can be attached to logs in a much shorter time, and much time and trouble saved, and the log-tongs can be used in places when a chain cannot be placed around the log without its being rolled over.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Description

J. J. RYAN.
Log-Tongs. N .2'03,198. Patented April30,l878.
. lawent bx N. PETERS, PHOTO-LITHOGRAPHER, WASHINGTON. n. c.
UNITED STATES PATENT OFFICE.
JOHN J. RYAN, OF MIDLAND, MIGHIGAN.
IM PROVEMENT'I'N LOG-TONGS.
Specification forming part of Letters Patent No. 203,198, dated April 30, 1878 application filed January 9, 1878.
and also that it is often difficult to get the chain around the log, if lying on the ground.
The object of my invention is to provide a set of log tongs or grapples which may readily be placed over the end of the log, thus saving time and trouble in getting a chain under and hitched around the log, and also providing something for the end of the log to rest upon while being drawn along, and thus preventing the end of the log, while being hauled along, from plowing into the ground or striking against impediments, the grapples acting as runners for the end of the log to rest on.
In the accompanying drawing is shown the log-tongs, the grapples A being clutched to the end of the log 5 B, the chains which fasten the grapples.
When the propelling power is applied at or E the grapples are firmly fixed to the log, and in moving the log along it may be made to rest upon two of the grapples, which would result in its taking less power to move the log along, and also in overcoming any obstruction. The more power is applied at D or E the firmer the grapples of the tongs would become fixed to the logs, thus making the fastenings as secure as with a chain.
By the use of the log-tongs logs can be hauled on the ground easier than by a chain or any other attachment now used. The log, resting partially on the tongs, would pass over obstructions. The log-tongs can be attached to logs in a much shorter time, and much time and trouble saved, and the log-tongs can be used in places when a chain cannot be placed around the log without its being rolled over.
. I claim as new The log-tongs composed of the grapplesA, pivoted in a slotted head, said grapples being connected by chains B, passing through s a1d head, and fastened to a ring or similar suitable device, substantially as described.
JOHN J. RYAN.
Witnesses:
JAMES VANKLUCK, G. W. TINDALL.
US203198D Improvement in log-tongs Expired - Lifetime US203198A (en)

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US203198A true US203198A (en) 1878-04-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140301814A1 (en) * 2013-04-04 2014-10-09 Benjamin K. Wenner On-board grapple hoist for agriculture vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140301814A1 (en) * 2013-04-04 2014-10-09 Benjamin K. Wenner On-board grapple hoist for agriculture vehicle
US9242840B2 (en) * 2013-04-04 2016-01-26 Benjamin K. Wenner On-board grapple hoist for agriculture vehicle

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