B66F19/005

Manhole Cover Lifting Device
20220098018 · 2022-03-31 ·

A device for lifting a metal cover may include a rope having a first end and a second end and a magnet connected to the first end of the rope. The magnet may be configured to be applied to a manhole cover, and upon applying an upward force to the second end of the rope, the magnet pulls the manhole cover upward.

MULTIPURPOSE DEVICE
20210214207 · 2021-07-15 ·

A stand-alone multipurpose lifting device includes an elongated vertical support section having a planar base section with an upper end including a substantially U-shaped receiving bearing including a plurality of pivot slots on either side of the U-shaped bearing and an angled elongated lever arm section. The lever arm section includes an angle strengthening gusset and a detachable extension arm and handle including a receiving sleeve for fitting over and receiving the end of the lever arm section. A device for cracking a seal formed around a manhole cover includes a horizontal cross bar section including a bottle jack holder recess, a bottle jack retaining means, two opposed leg sections, support struts between the horizontal cross bar and leg sections and a jack cap section including two lifting eyes including a hook and lifting chains for attaching to a manhole lifting arm detachably connected to a manhole cover.

Multipurpose device
11027954 · 2021-06-08 · ·

A stand-alone multipurpose lifting device includes an elongated vertical support section having a planar base section with an upper end including a substantially U-shaped receiving bearing including a plurality of pivot slots on either side of the U-shaped bearing and an angled elongated lever arm section. The lever arm section includes an angle strengthening gusset and a detachable extension arm and handle including a receiving sleeve for fitting over and receiving the end of the lever arm section. A device for cracking a seal formed around a manhole cover includes a horizontal cross bar section including a bottle jack holder recess, a bottle jack retaining means, two opposed leg sections, support struts between the horizontal cross bar and leg sections and a jack cap section including two lifting eyes including a hook and lifting chains for attaching to a manhole lifting arm detachably connected to a manhole cover.

Manhole Adjustment Ring Removal Assembly and Method
20210130145 · 2021-05-06 ·

A manhole adjustment ring removal assembly includes a frame. A pair of legs is pivotally coupled to the frame. Each of the legs has an upper end and a lower end and each end has one of a pair of thee plates attached thereto. The plates each have an outer edge extending outwardly away from a corresponding one of the legs. The outer edges taper to point and are extendable between an adjustment ring and a cone base. A drive assembly is mounted on the frame and is mechanically coupled to the legs. The drive assembly is actuated in a first direction moving the lower ends away from each other and in a second direction moving the lower ends toward each other. A lift ring is attached to the frame to be engaged with a cable to lift the frame when the plates are positioned under the adjustment ring.

Manhole adjustment ring removal assembly and method
10974940 · 2021-04-13 ·

A manhole adjustment ring removal assembly includes a frame. A pair of legs is pivotally coupled to the frame. Each of the legs has an upper end and a lower end and each end has one of a pair of the plates attached thereto. The plates each have an outer edge extending outwardly away from a corresponding one of the legs. The outer edges taper to point and are extendable between an adjustment ring and a cone base. A drive assembly is mounted on the frame and is mechanically coupled to the legs. The drive assembly is actuated in a first direction moving the lower ends away from each other and in a second direction moving the lower ends toward each other. A lift ring is attached to the frame to be engaged with a cable to lift the frame when the plates are positioned under the adjustment ring.

Chain and lever post puller systems
10927564 · 2021-02-23 ·

A chain and lever post puller system for pulling 2 inch by 4 inch stakes from the ground. The apparatus may also pull round posts or tee-posts with a minimum of effort and with no prior digging. The chain and lever post puller system is a first class lever, requires no heavy equipment or hydraulics, and is easily transportable by hand. The puller comprises a vertical column to which the pivot lever is removably connected via a hinge, which also forms the fulcrum for the pivot lever. A first end of a chain is attached opposite the handle to the end of the pivot lever, and a self-tightening post grip is attached to the second end of the chain. A downward force is applied to the proximate end of the pivot lever when the post grip is attached to a stake to remove the stake via mechanical advantage.

Manhole Guard and Attachable Winch Mount
20210032821 · 2021-02-04 · ·

A manhole guard, methods of assembling the same, and methods of using the same, are described. The manhole guard generally includes a plurality of sections connected for movement, the sections being capable of being locked into a fixed rigid structure through the use of a first arm and second arm that act independently of each other. The manhole guard may include a safety net attached to one or more sections of the manhole guard. The manhole guard may include attachable mounting brackets designed to facilitate the attachment of a first hoist device and/or first winch and include attachable mounting members designed to facilitate the attachment of a second hoist device and/or second winch.

Cover lift and move apparatus
20210206613 · 2021-07-08 ·

A lifting and moving device, and a method of using the device comprising a frame having a first ground engaging end with at least one wheel for providing a movable first ground engagement and a second ground engaging end with a pointed end for providing a fixed second ground engagement for the frame. A lifting and moving support extending between the first and second ground engaging ends is adjustable in length for providing one or more distances between the first ground engaging end and the second ground engaging end. A lifting device is retractable from a position on the support and the frame is movable about a pivot point provided by the second ground engaging end.

Hinged lid handling tool
10894703 · 2021-01-19 · ·

An ergonomic apparatus for handling a hinged lid that reduces force required to open the hinged lid and bending by a user, maintains the lid in an open position to prevent accidental closure of the lid, and assists with closing the lid. The apparatus has a horizontal member with an attachment means for removably coupling the apparatus to the hinged lid, a vertical member extending from a proximal end of the horizontal member, and a handle in operable communication with the vertical member. The vertical member and handle are configured relative to the horizontal member such that when the vertical member is positioned on a flat surface, the handle is raised above the flat surface by about 10 to 25 and the hinged lid is maintained in an open position having an angle greater than 90 relative to an opening the hinged lid was covering.

Manway cover tool
10737924 · 2020-08-11 ·

The manway cover tool comprises a T-shaped handle with a clamp coupled to the bottom of the handle. The clamp may be fastened to the cover handle of a manway cover and the manway cover tool may assist in the removal and replacement of the manway cover. A vertical armature of the T-shaped handle may pivot just above the clamp so that the height of the T-shaped handle may be reduced in confined work areas. A magnetic attachment may couple to the clamp and allow the manway cover tool to attach to manway covers with no handle. A J hook attachment may couple to the clamp and allow the tool to attach to covers with incompatible or no handle. A support bracket may couple to the T-handle and provide additional stability and leverage.