US1209262A - Wedge. - Google Patents

Wedge. Download PDF

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Publication number
US1209262A
US1209262A US1914812777A US1209262A US 1209262 A US1209262 A US 1209262A US 1914812777 A US1914812777 A US 1914812777A US 1209262 A US1209262 A US 1209262A
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wedge
wedges
twist
church
driven
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George Church
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  • My invention relates to improvements in wedges and more particularly to that class of wedges designed for the use of timbermen and others for splitting timber.
  • the object of this invention is to provide a simple, cheap, durable and effective wedge capable of exerting great power and of being readily and effectively driven in crooked and other timber, now frequently rejected, on account of its intense tenacity.
  • I impart to the construction of the wedge, a combination of a taper along both edges, as well as along the two faces, thus forming a long taper on all four sides, preferably extending the entire length of the wedge.
  • a longitudinal twist or wind preferably extending the entire length of the wedge, also the rounded corners of same preferably extending the entire length of the wedge and progressively decreasing in radius toward the point.
  • FIG. 1 is a front view showing the face of the wedge, constructed in accordance with my invention.
  • Fig. 2 is a side view showing the edge of the wedge.
  • Fig. 3 isan underview of the wedge projected from Fig. 1.
  • the wedge may be formed of metal or' parts the head, thus indicating the longitudinal twist or wind imparted to the construction of the wedge.
  • CCGC shows the rounded corners of the wedge.
  • the curved lines ABAB in Figs. 1, 2 and 3 show the angles, corners or joinings of the faces and edges of the wedge. It can be readily seen that the influence of the twist in such a wedge when it is being driven in, in the usual manner, by maul or other tool, tends to cause the embedded portion of the wedge to turn progressively around in a direction transverse to the original line of cleavage and the rounded corners and tapers allow this to be done, thus producing a powerful reinforced action and rending strain.
  • the improved wedge has distinct advantages. over the ordinary wedge, even if used alone, but when used in conjunction with the ordinary wedge and they are driven alternately, its utility is very great, for the following reasons
  • the improved wedge has a great tendency by its progressive transverse action at the point to increase the power at the point and at the bottom of the substance under operation, whereas the ordinary wedge has the greatest power at the head of the wedge, or at the top of the substance under operation, so that the effect of the wedges being used in conjunction, is to give a combined action, similar to and approaching to, the action of folding wedges when they are driven from both ends.

Description

G. CHURCH.
WEDGE.
APPLICATION FILED JAN. 11. 1914.
1,209,262. Patented Dec.19,1916.
GEORGE CHURCH, OF AUCKLAND, NEW ZEALAND.
WEDGE.
mosses.
Specification of Letters Patent.
Patented'Dec. 19, 1916.
Application filed January 17, 1914. Serial No. 812,777.
To all whom it may concern Be it known that I, Gnonen CHURCH, a subject of Great Britain and Ireland, residing at No. 6 Haslett street, Eden Terrace, in the city of Auckland, Province of Auckland, and in the Dominion of New Zealand, general dealer, have invented a new and useful Wedge, of which the following is a specification.
My invention relates to improvements in wedges and more particularly to that class of wedges designed for the use of timbermen and others for splitting timber.
The object of this invention is to provide a simple, cheap, durable and effective wedge capable of exerting great power and of being readily and effectively driven in crooked and other timber, now frequently rejected, on account of its intense tenacity.
In carrying out my invention I impart to the construction of the wedge, a combination of a taper along both edges, as well as along the two faces, thus forming a long taper on all four sides, preferably extending the entire length of the wedge. A longitudinal twist or wind preferably extending the entire length of the wedge, also the rounded corners of same preferably extending the entire length of the wedge and progressively decreasing in radius toward the point.
I attain these objects by the improved construction and shape given to the wedge which are illustrated in the accompanying drawing in which Figure 1 is a front view showing the face of the wedge, constructed in accordance with my invention. Fig. 2 is a side view showing the edge of the wedge. Fig. 3 isan underview of the wedge projected from Fig. 1.
The wedge may be formed of metal or' parts the head, thus indicating the longitudinal twist or wind imparted to the construction of the wedge. In Fig. 8 CCGC shows the rounded corners of the wedge. The curved lines ABAB in Figs. 1, 2 and 3 show the angles, corners or joinings of the faces and edges of the wedge. It can be readily seen that the influence of the twist in such a wedge when it is being driven in, in the usual manner, by maul or other tool, tends to cause the embedded portion of the wedge to turn progressively around in a direction transverse to the original line of cleavage and the rounded corners and tapers allow this to be done, thus producing a powerful reinforced action and rending strain.
The improved wedge has distinct advantages. over the ordinary wedge, even if used alone, but when used in conjunction with the ordinary wedge and they are driven alternately, its utility is very great, for the following reasons The improved wedge has a great tendency by its progressive transverse action at the point to increase the power at the point and at the bottom of the substance under operation, whereas the ordinary wedge has the greatest power at the head of the wedge, or at the top of the substance under operation, so that the effect of the wedges being used in conjunction, is to give a combined action, similar to and approaching to, the action of folding wedges when they are driven from both ends.
. It is to be understood that I do not strictly confine myself to the exact form or dimensions thereof, as long as I adhere to the principles of my invention as herein set forth, variations of taper, twist and size, are necessary to meet the specific requirements of the various substances that are to be split, according to their tenacity or strength.
Having described the nature and objects of the invention what I claim is A wedge to which a longitudinal twist has been imparted through its whole length.
Dated this eighth day of December, A. D.
GEORGE CHURCH. Witnesses:
Gno. A. GRIFFIN, T. J. STEVENS.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of IPatents, Washington, D. G.
US1914812777 1914-01-17 1914-01-17 Wedge. Expired - Lifetime US1209262A (en)

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US1914812777 US1209262A (en) 1914-01-17 1914-01-17 Wedge.

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061168A (en) * 1976-05-03 1977-12-06 Innovation Enterprises, Inc. Log splitting device
US4295506A (en) * 1978-09-29 1981-10-20 Norman S. Blodgett Wedge
US4387753A (en) * 1981-05-01 1983-06-14 Omark Industries, Inc. Splitting device with varying cross sections
US4457060A (en) * 1982-07-09 1984-07-03 Southern Railway Company Rail anchor remover
FR2862903A1 (en) * 2003-11-28 2005-06-03 Gouvy Soc Wood splitting wedge, has striking head with two opposite sides joined at cutting edge by pair of sides whose plane part forms facet that is bordered by cutting edge and by adjacent part of one of two longitudinal edges
US20080230150A1 (en) * 2007-03-21 2008-09-25 Brett Van Bortel Wood-Splitting Tool
US20110023998A1 (en) * 2006-09-25 2011-02-03 Patvakan Hakhinyan Wood Splitting Wedge

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061168A (en) * 1976-05-03 1977-12-06 Innovation Enterprises, Inc. Log splitting device
US4295506A (en) * 1978-09-29 1981-10-20 Norman S. Blodgett Wedge
US4387753A (en) * 1981-05-01 1983-06-14 Omark Industries, Inc. Splitting device with varying cross sections
US4457060A (en) * 1982-07-09 1984-07-03 Southern Railway Company Rail anchor remover
FR2862903A1 (en) * 2003-11-28 2005-06-03 Gouvy Soc Wood splitting wedge, has striking head with two opposite sides joined at cutting edge by pair of sides whose plane part forms facet that is bordered by cutting edge and by adjacent part of one of two longitudinal edges
US20110023998A1 (en) * 2006-09-25 2011-02-03 Patvakan Hakhinyan Wood Splitting Wedge
US20080230150A1 (en) * 2007-03-21 2008-09-25 Brett Van Bortel Wood-Splitting Tool
US7584773B2 (en) * 2007-03-21 2009-09-08 Brett Van Bortel Wood-splitting tool

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