Snap nut concrete anchor assembly

Patent metadata

Field	Value
Publication number	US-10920819-B2
Application number	US-201815948131-A
Country	US
Kind code	B2
Filing date	Apr 9, 2018
Priority date	Apr 13, 2017
Publication date	Feb 16, 2021
Grant date	Feb 16, 2021

Abstract

The present disclosure describes an anchor device for receiving and securing a shaft thereto. The device includes an outer housing within which a jaw assembly is secured. The outer housing of the device may in turn be secured to or within a support structure such as a building component. Jaw components of the jaw assembly may be threaded. Furthermore, the jaw assembly has at least two configurations. In a first configuration, at least one jaw component is positioned away from a central shaft axis against the biasing force of a biasing member. A removable or reconfigurable holding member or stop member selectively secures the at least one jaw component in its position. In as second configuration, the holding member is reconfigured by the inserted shaft to trigger movement of the at least one jaw component toward the central shaft axis and into contact with the shaft.

First claim

The invention claimed is:

1. A method of securing a threaded shaft in an anchor assembly, the anchor assembly including a support member and a base member, the base member including a base for securement to a form and a guide member for receiving the support member, the method steps comprising:
providing an outer housing, the outer housing being defined by a longitudinal axis (A-A), the outer housing including a wall, the outer housing also including a connector opening at a first end thereof for receiving the threaded shaft, the outer housing further including an assembly opening at a second end opposite the first end thereof, the housing wall including an inner surface defining a bore space,
providing a bore assembly disposed in the bore space, the bore assembly including at least one female threaded bore portion the threads of which are for engaging threads of the shaft, the bore assembly further including a bias member for biasing the at least one female thread bore portion toward the central longitudinal axis (A-A),
providing a holding member for preventing the bias member from moving the at least one female threaded bore portion toward the longitudinal axis (A-A),
grasping and inserting the threaded shaft into the connector opening until the threaded shaft engages the holding member,
continuing to insert the threaded shaft until the threaded shaft disengages the holding member from the bore assembly releasing the at least one female threaded bore portion to move toward the longitudinal axis (A-A) and into biased contact with the threaded shaft.

2. The method of claim 1 , further including the step of feeling for a vibratory impact from the grasped threaded shaft after the disengagement of the holding member.

3. The method of claim 1 , further including the step of listening for and/or hearing an audible impact between the at least one female threaded bore portion and the threaded shaft after disengagement of the holding member.

4. The method of claim 1 , wherein the at least one female threaded bore portion is at least two female threaded bore portions each including a thread which is a different size from the other for accommodating threaded shafts of different sizes.

5. The support member of claim 4 , further including the step of positioning the at least two female threaded bore portions alongside or adjacent one another in the longitudinal direction.

Assignees

• Black & Decker Inc

Inventors

• Droste Manfred
• Schramm Benjamin

Classifications

• F16B37/0857 Primary

  with the threaded portions of the nut engaging the thread of the bolt by the action of one or more springs or resilient retaining members (F16B37/0821 and F16B37/0835 take precedence) · CPC title

• E04B1/4128

  receiving adjustable or removal nuts · CPC title

• E04B1/4121

  with internal threads or non-adjustable captive nuts · CPC title

• F16B39/36 Primary

  with conical locking parts, which may be split, including use of separate rings co-operating therewith · CPC title

• F16B31/02

  for indicating {the attainment of a particular tensile load} or limiting tensile load {(apparatus for, or method of, determining value of torque or twisting moment for tightening a nut or other member similarly stressed G01L5/24)} · CPC title