Cable tie having enhanced abutment wall in locking head

Details Cable tie having enhanced abutment wall in locking head Cable tie having enhanced abutment wall in locking head

1995-12-28

1997-04-01

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

Plastic band

24 17AP, B65D 6300

Patent

active

056154550

ABSTRACT:
In a tie including an elongated tongue and a locking head having a movable pawl that is hinged at one side of the opening of the locking head across the opening from an abutment wall for locking engagement with a set of ratchet teeth on the tongue when the tip of the tongue has been inserted through the opening, the abutment wall is enhanced for withstanding a force that would tend to bow the abutment wall when the pawl forces the tongue against the abutment wall in response to a pulling force applied to the tongue in a direction opposite to the direction of insertion, but does not require as much material as would be required for an abutment wall that merely had increased thickness and, when the tie is made by injection molding, the abutment wall is not significantly subject to deformation when the injected plastic material cools. The abutment wall includes a plurality of apertures extending within the abutment wall approximately parallel to the direction of insertion, with apertures not being exposed to an abutment surface of the abutment wall and not being as wide as the pawl. The apertures are elongated and pairs of apertures extend along a common axis from opposite ends of the abutment wall but do not extend to join each other within the abutment wall. The abutment wall includes a plurality of the pairs of the apertures; and the apertures do not extend to within that portion of the abutment wall against which force is applied through the tongue by the lateral middle of the portion of pawl that contacts the tongue when the tongue is forced against the abutment surface by the pawl.

REFERENCES:
patent: 3224056 (1965-12-01), Joffe
patent: 3816878 (1974-06-01), Fulton et al.
patent: 4188004 (1980-02-01), Fulton et al.
patent: 4287644 (1981-09-01), Durand
patent: 4897899 (1990-02-01), Shely et al.
patent: 5146654 (1992-09-01), Caveney et al.
patent: 5159728 (1992-11-01), Bingold
patent: 5224244 (1993-07-01), Ikeda et al.

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