Open end wrench

Details Open end wrench Open end wrench

1984-10-23

1986-04-01

Jones, Jr., James L.

Tools

Tool jaw

Jaw-actuating means

B25B 712

Patent

active

045790230

ABSTRACT:
A wrench comprising an upper jaw member and a lower jaw member, the lower jaw member extending into an upper arm member, the upper jaw member being pivotally connected to the lower jaw member, a biasing spring operatively associated with the upper and lower jaw members for biasing the jaws in an open position, an intermediate arm member pivotally connected to said upper arm member at the rear end portions thereof, the intermediate arm member being provided at the front end portion thereof with an inclined surface which is adapted to slidably engage the rear surface of the upper jaw member, and lower handle member pivotally connected with the intermediate arm member and the upper arm member, whereby when the lower handle member is compressed toward the intermediate arm member, the inclined surface of the front end portion of the intermediate arm member is caused to ride along the rear portion of the upper jaw member, forcing the upper jaw member to close toward the lower jaw member.

REFERENCES:
patent: 2564585 (1951-08-01), Shaw
patent: 2619138 (1952-11-01), Marler
patent: 2822715 (1958-02-01), Raimondi
patent: 2910903 (1959-11-01), Rains

Affiliated with

Also associated with

Rating

Open end wrench does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Open end wrench, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Open end wrench will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1078953