Slab lifting clamp

(10) US 2019/0144245 Al

(22) 13.11.2018

(43) 16.05.2019

(57) A disclosed gripping system for lifting planar objects com­prises a back plate, center sliding plate, lifting pin assembly and cam plate in pivotal connection. Slabs of granite, concrete, marble and other dense planar objects may be safely lifed, moved and lowered, with automatic locking and unlocking of the planar object occurring in response to either the gripping system being lowered upon the planar object, or the planar object being deposited upon the ground. 

(71) James Edmund Corbett, Crows Nest (AU)

Related articles:

Issue 2019-09

Precast concrete system with rapid assembly formwork

(10) WO 2019/133406 A1 (22) 20.12.2018  (43) 04.07.2019 (57) The disclosed system divides the precast and cast-in-place construction into vertical and horizontal components. The vertical components...

more
Issue 2019-05

Device for manufacture of molded concrete parts

(10) WO 2019/048688 Al (22) 11.09.2018 (43) 14.03.2019 (57) The invention relates to a device for producing concrete molded parts, which has a mold lower part (FU), which is exchangeably arranged in a...

more
Issue 2019-03

Precast concrete panel and method

(10) WO 2019/006123 A1 (22) 28.06.2018 (43) 03.01.2019 (57) A precast concrete panel and method for forming the panel are disclosed. A method of forming the panel to be used as a floor, wall, or roof...

more
Issue 2019-05

Apparatus, systems and methods for repairable precast moment-resisting buildings

(10) WO 2019/055818 Al (22) 14.09.2018 (43) 21.03.2019 (57) The disclosed apparatus, systems and methods re­late to reinforced concrete moment-resisting buildings with pre­cast beams, precast...

more
Issue 2014-01

Fragmented slab lifting apparatus and method

(10) US 8,591,143 BI (22) May 10, 2013 (45) Nov. 26, 2013 (71) Ronald A. Knapp, Bonita Springs, FL (US) (57) A slab jack assembly for raising a fragmented slab from between sections of a concrete slab...

more