公开(公告)号：US20220341199A1

公开(公告)日：2022-10-27

申请号：US17242225

申请日：2021-04-27

Applicant: Engineered Supply LLC

Inventor： Arlen P. Grant ,  Ponsingh B. Devendran ,  Erling C. Grant

IPC: E04G21/32 ,  A62B35/00 ,  F16M13/02 ,  A62B35/04

Abstract: In at least one embodiment, a rooftop rigging support system mounts to a roof a building for suspending a load under an eave of the building. In some embodiments, the rooftop rigging support system comprises an arm that extends outward over the eave and then back inward underneath the eave. In some embodiments, the arm is a generally rigid, non-articulating structure. In some embodiments, the arm can be manually pivoted between a deployed position reaching under the eave and a withdrawn position extending above the roof.

公开(公告)号：US20190040895A1

公开(公告)日：2019-02-07

申请号：US16052608

申请日：2018-08-02

Applicant: Engineered Supply LLC

Inventor： Arlen Paul Grant

IPC: F16B13/08

Abstract: In some embodiments, a fastener assembly is arranged to engage a supporting member. In some embodiments, the fastener assembly comprises a shaft, a first retaining member and a second retaining member. The first retaining member is arranged to engage the shaft, and is sized to pass through an opening in the supporting member in a first orientation and to abut a second side of the supporting member in a second orientation. The second retaining member is arranged to engage the shaft and to abut the first side of the supporting member.

公开(公告)号：US11753837B2

公开(公告)日：2023-09-12

申请号：US17242225

申请日：2021-04-27

Applicant: Engineered Supply LLC

Inventor： Arlen P. Grant ,  Ponsingh B. Devendran ,  Erling C. Grant

IPC: F16M11/00 ,  E04G21/32 ,  A62B35/04 ,  F16M13/02 ,  A62B35/00

CPC classification number: E04G21/3295 ,  A62B35/005 ,  A62B35/0068 ,  A62B35/04 ,  E04G21/328 ,  F16M13/02

Abstract: In at least one embodiment, a rooftop rigging support system mounts to a roof a building for suspending a load under an eave of the building. In some embodiments, the rooftop rigging support system comprises an arm that extends outward over the eave and then back inward underneath the eave. In some embodiments, the arm is a generally rigid, non-articulating structure. In some embodiments, the arm can be manually pivoted between a deployed position reaching under the eave and a withdrawn position extending above the roof.

公开(公告)号：US10457528B2

公开(公告)日：2019-10-29

申请号：US15077913

申请日：2016-03-23

Applicant: Engineered Supply L.L.C.

Inventor： Arlen Paul Grant

IPC: B66D1/36 ,  B66C23/00 ,  F16M11/18 ,  B66C23/02

Abstract: In some embodiments, a davit arm system comprises a davit body arranged to engage a support and an arm supported by the davit body. The arm is moveable along a length of the davit body. In some embodiments, a bearing is oriented between said arm and said davit body. In some embodiments, a bearing a polymer sleeve. In some embodiments, a bearing comprises rollers. In some embodiments, a bearing comprises ball transfer bearings. In some embodiments, a bearing excludes moving parts.