Locking assembly for maintaining a box wrench engaged with a bol

Details Locking assembly for maintaining a box wrench engaged with a bol Locking assembly for maintaining a box wrench engaged with a bol

1992-11-25

1994-06-28

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

8117785, 279 79, B25B 1302

Patent

active

053236726

ABSTRACT:
A locking assembly is placed in a web area of a box wrench and includes a ball that is resiliently biased outwardly of the plane of that web into a position to engage one surface of a bolthead. The engagement between the ball and the bolthead maintains the box wrench engaged with the bolthead. The ball can be forced back into the web area to permit the wrench to move past the bolthead. The ball is biased outwardly by a resilient pad. In another form of the invention, a resilient snap ring maintains the ball in the web area, with a ball seating surface being defined in that web area The ball is held in place by edges of either a housing or by edges positioned on the web area.

REFERENCES:
patent: 2220354 (1940-11-01), Sheetz
patent: 2851295 (1958-09-01), Chaffee
patent: 3127153 (1964-03-01), Elders
patent: 3286749 (1966-11-01), Learned
patent: 4823652 (1989-04-01), Morrissey et al.

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