Wedge arrangement for removably affixing a work tool or work tool holder to a base member on mining, road working or earth moving machinery, and the like
First Claim
1. In mining, road working and earth moving machinery a wedging arrangement for removably affixing a work tool holder to a base member, said arrangement comprising:
- one of said base member and said work tool holder having a slot therein, the other of said base member and said work tool holder being received in said slot;
a wedge element in said slot; and
holding means to hold said wedge element in said slot in wedging engagement with both of said work tool holder and said base member.
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Accused Products
Abstract
A wedge arrangement for removably affixing a work tool or work tool holder to a base member on mining, road working or earth moving machinery, and the like, and being particularly useful in the mining, road planing and earth digging areas. The arrangement is such that the removable member may be readily replaced and wear and tear on the base member greatly reduced to the extent that such base member will not be destroyed or otherwise rendered useless; such base member may be a part which is permanently secured to the basic machine or it may in fact be the machine itself or some integral part thereof. The base member is preferably provided with a slot of a size sufficient to receive both the removable member and a wedge element; such member and element may be placed within the slot from above thereof, lateral entry of the removable member and wedge element into the slot often being unnecessary. Means are provided to move the wedge element so as to effect a frictional engagement between the removable member and the base member to effect an interference fit in which there is no relative motion between these members and thus virtually no wear. (It is possible to reverse this arrangement and provide the removable member with the slot and the base member with a suitable male element which, along with the wedge element, will be received in the slot.) The removable member may be provided with a bit, road planing device or digging tooth, which working elements may in turn be removably affixed to and/or within the removable part.
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Citations
71 Claims
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1. In mining, road working and earth moving machinery a wedging arrangement for removably affixing a work tool holder to a base member, said arrangement comprising:
- one of said base member and said work tool holder having a slot therein, the other of said base member and said work tool holder being received in said slot;
a wedge element in said slot; and
holding means to hold said wedge element in said slot in wedging engagement with both of said work tool holder and said base member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
- one of said base member and said work tool holder having a slot therein, the other of said base member and said work tool holder being received in said slot;
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35. A work tool holder of the type to be removably affixed to a base member of a mining, road working or earth moving machine by means of a wedging arrangement, said work tool holder comprising:
- a body having top and bottom walls, front and back walls, and a pair of side walls; and
a body extension adjacent said top wall and extending outwardly beyond one of said front and back walls. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
- a body having top and bottom walls, front and back walls, and a pair of side walls; and
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47. A work tool holder of the type to be removably affixed to a base member of a mining, road working or earth moving machine by means of a wedging arrangement, said work tool holder comprising:
- a body having top and bottom walls, front and back walls, and a pair of side walls, said bottom wall having a slot adapted to receive a portion of said base member and a wedging element.
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48. A work tool holder of the type to be removably affixed to a base member of a mining, road working or earth moving machine by means of a wedging arrangement, said work tool holder comprising:
- a body having top and bottom walls, front and back walls, and a pair of side walls; and
a body portion adjacent said bottom wall and extending outwardly beyond one of said front and back walls.
- a body having top and bottom walls, front and back walls, and a pair of side walls; and
- 49. The work tool holder of claim 49 including a body protrusion adjacent said bottom wall and extending outwardly from the other of said front and back walls.
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55. A base member of the type to removably receive a work tool holder of a mining, road working or earth moving machine by means of a wedging arrangement, said base member comprising:
- a block having top and bottom walls, front and back walls, and a pair of side walls, said block having a slot therein extending from said top wall towards and spaced from said bottom wall and adapted to receive a portion of a said work tool holder and a portion at least of said wedging arrangement, a portion of said slot being undercut so as to extend beneath said top wall.
- View Dependent Claims (56, 57, 58, 59, 60, 61, 62)
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63. A base member of the type to removably receive a work tool holder of a mining, road working or earth moving machine by means of a wedging arrangement, said base member comprising:
- a cylindrical drum, and a plurality of parallel dove tailed groves in the outer surface of said drum, said groves being adapted to receive a portion of said work tool holder and a portion at least of said wedging arrangement.
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64. A base member of the type to removably receive a work tool holder of a mining, road working or earth moving machine by means of a wedging arrangement, said base member comprising:
- a cylindrical drum; and
a plurality of blocks affixed to said drum, each said block having top and bottom walls, front and back walls, and a pair of side walls, said block having a slot therein extending from said top wall towards and spaced from said bottom wall and adapted to receive a portion of a said work tool holder and a portion at least of said wedging arrangement, a portion of said slot being undercut so as to extend beneath said top wall. - View Dependent Claims (65)
- a cylindrical drum; and
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66. A base member of the type to removably receive a work tool holder of a mining, road working or earth moving machine by means of a wedging arrangement, said base member comprising:
- a block having top and bottom walls, front and back walls, and a pair of side walls; and
a male element extending from said top wall and adapted to be received within an aperture provided in a said work tool holder, said male element having an undercut portion to receive a portion at least of said wedging arrangement.
- a block having top and bottom walls, front and back walls, and a pair of side walls; and
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67. A wedge member for effecting a connection between a work tool holder and a base member of a mining, road working or earth moving machine, said wedge member comprising:
- a body adapted to be located between an extension on one of said work tool holder and said base member and the other of said work tool holder and said base member, and means on said body for wedging it between said extension and the other of said work tool holder and said base member.
- View Dependent Claims (68, 69, 70, 71)
Specification