Infinitely slide-adjustable socket extender for socket wrenches

Details Infinitely slide-adjustable socket extender for socket wrenches Infinitely slide-adjustable socket extender for socket wrenches

1996-05-21

1997-11-25

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

403326, B25B 2316

Patent

active

056900066

ABSTRACT:
A telescopic extender for extending an interchangeable socket of a socket wrench, more particularly, an extender which automatically, slidably and continuously adjusts its length by infinitely small increments for use during a ratcheting operation confined to an inaccessible space between two fixed walls. The extender includes a tubular member, a pair of axially extending slots defined by the wall of the tubular member, a shaft member having a first end slidably extending into the tubular member and a second end extending out of the tubular member provided for receiving the socket, the second end adapted to the receive a socket. The shaft member is further provided with at least one protruding member extending into each of the axially extending slots, which combination permits slidable retention of the shaft within the tubular member. The protruding member is a removable pin which is passed entirely through a bore in the shaft member and into the two slots. A biasing means such as a coil spring is disposed between the closed end portion and the first end of the shaft member within the tubular member. The coil spring is a predetermined length up to substantially the full length of the chamber of the tubular member such that an outward bias can be applied at a point when the spring is compressed by the shaft member within the tubular member.

REFERENCES:
patent: 3227015 (1966-01-01), Tremblay
patent: 3289503 (1966-12-01), Klatt
patent: 5033337 (1991-07-01), Thomas, III
patent: 5109737 (1992-05-01), Raber
patent: 5138911 (1992-08-01), Lan
patent: 5193419 (1993-03-01), Lee
patent: 5285702 (1994-02-01), Hillinger
patent: 5289745 (1994-03-01), Beardsly
patent: 5363727 (1994-11-01), Barth et al.

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