US 6,640,455 B1Granted

Sliding adjustable track level

OwnerWillam Smothersinventor

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Abstract

An extendable carpenter's level which comprises a pair of extending body members capable of adapting and mounting upon the standard “I” level frame configuration of a carpenter's level by sliding said extendable body members onto the frame of the standard level. Each extending body member consists of a top and bottom slide extension rigidly attached to one another so as to be firmly in contact with the level frame. The top and bottom slide he extensions each incorporate a lock pin to insure rigidity as against the level frame and stop clips to eliminate outward extension of the extending body members beyond the end of the level frame. In another embodiment, each extending body member is split such that both the top and bottom slide extensions comprise generally a right and left side extension held together by means of slide springs and flush mounted screws. The tightening or loosening of the flush mounts enable the top and bottom slide extensions and therefore the extending body members to be sized to nearly any size. The device creates the opportunity to expand a conventional level to nearly any desired length or, when contracted, to the size of the standard level.

Claims2

Dependent claims

An extendable carpenter's level capable of extension between a collapsed position and a fully extended position comprising:

a. a generic carpenter's level containing an “I” level frame configuration in cross section with the outwardly extending portion of said “I” being a pair of rails on each side of the level;
and,
b. first and second extending body members each consisting of a top slide extension and a bottom slide extension comprised of frame members connected by end pieces and support members and further defined by “L” shaped slide brackets affixed to the frame members in such a configuration to create a space between a portion of the slide bracket and the frame member;
and
c. both top slide extension and bottom slide extension of the first and second extending body members split so as to be comprised of a right side extension and a left side extension each having a plurality of flush mounts extending from the left side extension into the right side extension with the portion of the flush mounts between said right and left side extensions being encapsulated by slide springs thereby forcing the side extensions to be outwardly biased such that tightening or loosening of the flush mounts enables the first and second extending body member to be slidably placed by means of the slide brackets upon the rails at opposed ends of a carpenter's level with any “I” frame size or configuration.

2 more elements

Dependencies are inferred from the claim text.