US 12,116,245 B2
Lifting of building units
Nick Cui, Narre Warren (AU); Bernard Kennelly, North Balgowlah (AU); and Frank Davern, Newport (AU)
Assigned to Illinois Tool Works Inc., Glenview, IL (US)
Filed by Illinois Tool Works Inc., Glenview, IL (US)
Filed on Sep. 1, 2022, as Appl. No. 17/901,388.
Application 17/901,388 is a continuation of application No. 16/924,803, filed on Jul. 9, 2020, granted, now 11,453,575.
Application 16/924,803 is a continuation of application No. 15/326,353, granted, now 10,752,471, issued on Aug. 25, 2020, previously published as PCT/IB2015/000145, filed on Feb. 2, 2015.
Claims priority of application No. 2014902708 (AU), filed on Jul. 14, 2014.
Prior Publication US 2022/0411231 A1, Dec. 29, 2022
Int. Cl. E04G 21/14 (2006.01); B66C 1/66 (2006.01); E04B 1/35 (2006.01)
CPC B66C 1/66 (2013.01) [B66C 1/666 (2013.01); E04B 1/35 (2013.01); E04G 21/142 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A building unit comprising:
a support structure; and
sheeting disposable over the support structure, the sheeting defining an opening extending through the sheeting; and
a lifting anchor including:
a block securely attached to the support structure by an anchor extending through a hole in the block, the block defining a slot and the block including a pawl extending into the slot, and
a strip including a first end, a second end, and a tooth, the first end of the strip inserted into the slot in an insertion direction such that the insertion of the first end into the slot in the insertion direction causes the tooth of the strip to engage the pawl in the slot precluding withdrawal of the strip from the slot in a direction opposite to the insertion direction, and wherein the strip is insertable through the opening of the sheeting and above the sheeting.