Hydraulic torque wrench
AssigneeSpx Flow Technology England Limited
InventorTony Dodds
Life of this patent
Estimating the term…
Abstract
A hydraulic torque wrench is disclosed and includes a nut engaging portion with ratchet teeth on an external surface thereof. There is also a support member which can rotate relative to whilst retaining the nut engaging portion. A ratchet mechanism cooperates with the ratchet teeth to apply a rotational force to the nut engaging portion as a result of the pushing force from a hydraulic ram. Side plate cover a junction between the nut engaging portion and the support member with the side plates having a noncircular aperture through which a nut and bolt can extend when the wrench is in use.
Claims10
A hydraulic torque wrench for applying a rotational force to an object, the torque wrench comprising:
- a body;
- an object engaging portion for engaging the object to which rotational force is to be applied, the engaging portion having an engaging aperture having internal surfaces arranged to engage the object and a plurality of first ratchet teeth on an external surface thereof;
- a support member for retaining the object engaging portion, the support member movable relative to said body and said object engaging portion;
- at least one ratchet mechanism cooperating with said first ratchet teeth to facilitate the application of the rotational force to said object engaging portion in a first rotational direction in response to a force being applied to said support member in a first substantially linear direction and said ratchet mechanism preventing the application of a rotational force in a second rotational direction, opposite to said first rotational direction;
- and
- side plates extending from said body at least partially covering a junction between said object engaging portion and said support member, said side plates comprising an aperture through which said object can extend when the wrench is in use, wherein said aperture has a shape formed by two non-concentric overlapping circles comprising a first circle having a first centerpoint and a second circle having a second centerpoint, the centerpoint of the first circle located closer to the centerpoint of the second circle than to a periphery of the second circle.
A hydraulic torque wrench for applying a rotational force to an object, the torque wrench comprising:
- a body;
- an object engaging portion for engaging the object to which rotational force is to be applied, the engaging portion having an engaging aperture having internal surfaces arranged to engage the object and a plurality of first ratchet teeth on an external surface thereof;
- a support member for retaining the object engaging portion, the support member movable relative to said body and said object engaging portion;
- at least one ratchet mechanism cooperating with said first ratchet teeth to facilitate the application of the rotational force to said object engaging portion in a first rotational direction in response to a force being applied to said support member in a first substantially linear direction and said ratchet mechanism preventing the application of a rotational force in a second rotational direction, opposite to said first rotational direction;
- and
- side plates extending from said body at least partially covering a junction between said object engaging portion and said support member, said side plates comprising an aperture through which said object can extend when the wrench is in use, wherein said aperture has a shape formed by two non-concentric overlapping circles comprising a first circle having a first centerpoint and a second circle having a second centerpoint, and wherein the first centerpoint of the first circle is located within the second circle and the second centerpoint of the second circle is located within the first circle.
A hydraulic torque wrench for applying a rotational force to an object, the torque wrench comprising:
- a body;
- an object engaging portion for engaging the object to which rotational force is to be applied, the engaging portion having an engaging aperture having internal surfaces arranged to engage the object and a plurality of first ratchet teeth on an external surface thereof;
- a support member for retaining the object engaging portion, the support member movable relative to said body and said object engaging portion;
- at least one ratchet mechanism cooperating with said first ratchet teeth to facilitate the application of the rotational force to said object engaging portion in a first rotational direction in response to a force being applied to said support member in a first substantially linear direction and said ratchet mechanism preventing the application of a rotational force in a second rotational direction, opposite to said first rotational direction;
- and
- side plates extending from said body at least partially covering a junction between said object engaging portion and said support member, said side plates comprising an aperture through which said object can extend when the wrench is in use, wherein said aperture has a shape formed by two non-concentric overlapping circles comprising a first circle having a first centerpoint and a second circle having a second centerpoint, wherein a reference line connects the first centerpoint of the first circle to the second centerpoint of the second circle without intersecting a periphery of either of the first and second circles.
Dependencies are inferred from the claim text.