Removable Molly bolt

Details Removable Molly bolt Removable Molly bolt

1994-08-12

1996-04-23

Wilson, Neil R.

Buoys, rafts, and aquatic devices

Rafts

With shelter

411 55, 411344, F16B 1304, F16B 1306

Patent

active

055097650

ABSTRACT:
A removable hollow-wall anchor for fastening machine screws to a wall is disclosed. Commonly called a Molly bolt, in one aspect of the invention the head of the Molly bolt is unthreadable from the anchor part of the Molly bolt so that once the Molly bolt has been secured to the wall the head can be unthreaded so as to remove it from the outer surface of the wall. A gripper is used in conjunction with the head to prevent rotation of the Molly bolt when the machine screw is being threaded in or out. The gripper is also removable from the wall. Once the machine screw, head and gripper have been removed from the wall, the outer surface of the wall is flush and free from any part of the Molly bolt.

REFERENCES:
patent: 2491742 (1949-12-01), Lein
patent: 3888156 (1975-06-01), Fima
patent: 3942407 (1976-03-01), Mortensen
patent: 4152968 (1979-05-01), Lassine
patent: 4422813 (1983-12-01), Greenbaum
patent: 5044849 (1991-09-01), Starke

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