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US 7,562,550 B2Granted
Cable bulbing apparatus and method for forming bulbs in a cable bolt
AssigneeJennmar Corporation
InventorAnthony Paul Steains
Life of this patent
Estimating the term…
Abstract
A cable bulbing apparatus having a frame (1) and securing means (3) for holding at least a portion of a cable bolt (4) with respect to the frame (1). The apparatus also includes a bulbing assembly (5) which is releasably engagable with the cable bolt (4). The assembly (5) is movable relative to the frame (1) to enable one or more bulbs to be formed along the cable bolt length.
Claims23
A cable bulbing apparatus comprising:
- a frame;
- securing means for holding at least a portion of a cable bolt with respect to said frame;
- and
- a bulbing assembly releasably engagable with said cable bolt and operative to form a bulb in a portion of the cable to which it is engaged, said assembly being movable relative to said frame to allow repositioning of said bulbing assembly along at least part of the length of said cable bolt to enable a plurality of spaced apart one or more bulbs to be formed along said cable bolt length,
- wherein said bulbing assembly comprises a base and a clamping system.
2 more elements
A method for forming bulbs in a cable bolt, said method comprising the steps of:
- securing a cable bolt relative to a frame;
- engaging a bulbing assembly at a first location on said cable bolt,
- wherein said bulbing assembly comprises a base and a clamping system;
- forming a bulb in said cable at said first location;
- releasing said bulbing assembly from said first location and repositioning said bulbing assembly to engage a second location along said cable bolt;
- and
- forming a second bulb in said cable at said second location.
4 more elements
A cable bulbing apparatus comprising:
- a frame;
- securing means for holding at least a portion of a cable bolt with respect to said frame;
- and
- a bulbing assembly releasably engagable with said cable bolt and operative to form a bulb in a portion of the cable to which it is engaged, said assembly being movable relative to said frame to allow repositioning of said bulbing assembly along at least part of the length of said cable bolt to enable a plurality of spaced apart one or more bulbs to be formed along said cable bolt length,
- wherein said frame includes a pair of parallel racks, and
- wherein said bulbing assembly includes a set of pinions in gearing engagement with said parallel racks for enabling said bulbing assembly to move along said cable bolt and form multiple bulbs.
3 more elements
Dependencies are inferred from the claim text.