JPH09188356A - Cable binding tool for reinforced mesh jointing between ratchet tooth at tongue section and tooth of contact wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reinforce mesh jointing between at least one tooth of a contact face and a second ratchet tooth at a tongue section and facilitate taking out from a casting mold at the time of injection molding. SOLUTION: In a binding tool comprising a slender tongue section 12, a clamping head having a movable ratchet 28, and teeth 38 on a contact face, mesh jointing is reinforced in such a manner that at least one contact face tooth 38 is extended at an angle where its fixed face 40 is slanted in an insertion direction 34 to a top part 42 of the tooth 38 so as to be meshed with and jointed to a tooth of a row of second ratchet teeth 24 and that at least one tooth of the row of second ratchet teeth 24 is extended at an angle where its fixed face 44 is slanted in the direction opposite to the insertion direction to a top part 46 of the tooth 24 so as to be meshed with and jointed to the contact tooth face 38.

Description

Detailed Description of the Invention

The present invention relates to a tie used to form loops for catching elongated articles such as cables. This type of tie is commonly referred to as a cable tie.

One type of tie includes an elongated tongue having opposite ends and wide sides, a clamping head on one end of the tongue, and a tip on the other end of the tongue. A first ratchet tooth row extending on one wide side of the tongue and a second ratchet tooth row extending on the other wide side of the tongue, wherein the tightening head comprises A movable pawl hingedly engaged on one side of the opening and a side crossing the opening from the pawl, the opening defining an opening for receiving the tip of the tongue. And a pawl that engages the tip of the tongue with the first ratchet tooth row when the first ratchet tooth row is inserted into the opening with the first ratchet tooth row facing the pawl. Having at least one pawl tooth arranged so that the pawl is at least one pawl When the parts are engaged as described above, the second ratchet tooth row is moved by moving toward the contact surface in response to the pressure applied on the tongue in the direction opposite to the insertion direction. Pressing against the contact surface; and at least one tooth disposed on the contact surface, the tooth facing the tip of the tongue and the second ratchet tooth row facing the contact surface and the second tooth. The side surface of the tongue portion including the ratchet tooth row is pressed by the contact surface by the movement of the pawl so that the side surface of the tongue portion is engaged with the second ratchet tooth row when it is inserted into the opening. Such a tie is disclosed in Paradis US Pat. No. 4,473,524.

The present invention provides a strengthened mating connection between at least one tooth on the contact surface and a second ratchet tooth on the tongue.

According to one aspect of the present invention,
That is, an elongated tongue having both ends and both wide sides, a clamping head on one end of the tongue, a tip on the other end of the tongue, and an extension on one wide side of the tongue. And a second ratchet tooth row extending on the other wide side of the tongue, wherein the tightening head is for receiving the tip of the tongue. Having a side defining an opening, the side including a movable pawl hingedly engaged on one side of the opening and a contact surface across the opening from the pawl; At least one pawl tooth portion arranged to mesh with the first ratchet tooth row when the tip portion of the tongue portion is inserted into the opening with the first ratchet tooth row facing the pawl. The pawl has at least one pawl tooth engaged as described above. Then, the second ratchet tooth row is pressed against the contact surface by being moved toward the contact surface corresponding to the tensile force applied on the tongue portion in the direction opposite to the inserting direction. In a possible tie, the contact surface comprises at least one tooth, the tooth having a fixing surface extending at an angle inclined towards the top of the tooth in the insertion direction, whereby the tooth has a tongue. Part is inserted into the opening with the second ratchet tooth row facing the contact surface and the side surface of the tongue containing the second ratchet tooth row is pressed against the contact surface by the movement of the pawl. Provided is a tying device characterized by being meshed and fastened with a dentition.

In accordance with another aspect of the invention, the following is provided: an elongated tongue having opposite ends and wide sides, a clamping head on one end of the tongue and the other end of the tongue. And a first ratchet tooth row extending on one wide side surface of the tongue portion and a second ratchet tooth row extending on the other wide side surface of the tongue portion. And
The clamping head has a side defining an opening for receiving the tip of the tongue, the side comprising a movable pawl hinged on one side of the opening and the pawl. A contact surface across the opening; the pawl includes a first ratchet tooth row when the tip of the tongue is inserted into the opening with the first ratchet tooth row facing the pawl. Having at least one pawl tooth arranged for meshing engagement therewith; a pawl on the tongue opposite the insertion direction when the at least one pawl tooth is engaged as described above. A binding device capable of pressing the second ratchet tooth row against the contact surface by being moved toward the contact surface corresponding to the pulling force applied to
The contact surface comprises at least one tooth, the tooth having a fixed surface extending towards the top of the tooth, whereby the tooth has a tongue with the second ratchet tooth row on the contact surface. Inserted face-to-face into the opening and interlockingly engaged with the second ratchet tooth row when the side of the tongue containing the second ratchet tooth row is pressed against the contact surface by the movement of the pawl; and the second ratchet row At least one tooth in the dentition
The tooth has a fixing surface extending toward the top of the tooth at an angle inclined in a direction opposite to the insertion direction, whereby the tooth has a tongue portion in which the second ratchet tooth row faces the contact surface. When the side surface of the tongue portion including the second ratchet tooth row is pressed against the contact surface by the movement of the pawl, the binding tool is engaged with the second ratchet tooth row. Provided.

The above two aspects of the invention are combined in a preferred embodiment.

Additional features of the present invention are described below in connection with the detailed description of the preferred embodiment.

Referring to FIGS. 1 and 2, a preferred embodiment of a tie 10 in accordance with the present invention is an elongated tongue 12 having opposite ends and wide sides 14, 16 and a clamp on one end of the tongue. Head 18 and tip 20 on the other end of tongue 12.
And 22 rows of first ratchet teeth extending on one wide side 14 of the tongue 12 and 24 rows of second ratchet teeth extending on the other wide side 16 of the tongue 12.
The clamping head 18 has sides defining an opening 26 for receiving the tip 20 of the tongue 12. The side is
A movable pawl 28 is hingedly engaged on one side of the opening 26 and a contact wall 30 traversing the opening 26 from the pawl 28. The pawl 28 is provided on the tip portion 20 of the tongue portion 12.
When the ratchet teeth 22 are inserted into the opening 26 with the ratchet teeth 22 facing the pawls 28, the ratchet teeth 22 are provided with pawl teeth portions 32 arranged to mesh and fasten with the row of ratchet teeth 22. In this way, when at least one pawl tooth 32 is engaged, pawl 28 causes contact wall 30 to respond to a pulling force applied on tongue 12 in a direction opposite insertion direction 34.
The tongue 12 can be pressed against the contact surface 36 of the contact wall 30 by being moved toward. Teeth 38
Located on the contact surface 36, and the tooth is such that the tip 20 of the tongue 12 has a second row of 24 ratchet teeth on the contact surface 3.
The side surface 16 of the tongue 12 that is inserted into the opening 26 facing the 6 and that includes the second row of the second ratchet teeth 24 causes the pulling force applied on the tongue 12 in the direction opposite to the insertion direction 34. The corresponding moving pawl 28 causes the contact surface 36 to
When it is pressed by, it is meshed with the 24 rows of the second ratchet teeth.

Each tooth 38 of the contact surface extends toward the top 42 of the tooth 38 at a tilted angle in the direction of insertion 34 of the fixed surface 4.
0, whereby the tooth has an opening 26 with the tongue 12 facing the second row of ratchet teeth 34 facing the contact surface 36.
The side surface 16 of the tongue 12 that is inserted therein and that includes the second row of ratchet teeth 24 is contacted by a pawl 28 that moves in response to a tensile force applied on the tongue 12 in a direction opposite to the insertion direction 34. When pressed against the surface 36, the second row of ratchet teeth 24 is meshed and fastened.

Each tooth 24 of the second ratchet tooth row is a tooth 24
Has a fixing surface 44 extending at an angle inclined in the direction opposite to the insertion direction toward the top 46 of the tooth, whereby the tooth is
The tongue 12 is inserted into the opening 26 with the second row of ratchet teeth 24 facing the contact surface 36, and the side surface 16 of the tongue 12 including the second row of ratchet teeth 24 is contacted by the movement of the pawl 28. When pressed against the contact surface 3
6 teeth 38 are meshed and fastened. The inclination angle of the fixed surface 40 of each tooth 38 of the contact surface 36 is determined by the respective teeth 2 of the second ratchet tooth row.
The angle of inclination of the fixed surface 44 of No. 4 is the same.

Each pawl tooth portion 32 extends toward the top portion 50 of the tooth 32 in the insertion direction 34 at an angle inclined to the fixing surface 4.
8 so that the tooth has an opening 26 with the tongue 12 facing the first row of ratchet teeth 22 facing the pawl 28.
The teeth 22 of the first ratchet tooth row when inserted into the
Is engaged with. The inclination angle of the fixing surface 48 of the pawl tooth is such that the pawl tooth 32 is engaged with the row of ratchet teeth 22 and the pawl 28 is moved to bring the tongue 12 into contact with the contact surface 36.
It is defined as an angle of inclination of the fixed surface 48 with respect to the insertion direction 34 when being pressed.

Each tooth 22 of the first ratchet tooth row is
Has a fixing surface 52 extending at an inclined angle in the direction opposite to the insertion direction toward the top 54 of the tooth, whereby the tooth is
When the tongue 12 is inserted into the opening 26 with the ratchet teeth 22 row facing the ratchet 28, the ratchet teeth 32
Is engaged with. The inclination angle of the fixed surface 48 of each pawl tooth 32 is determined by the fixed surface 52 of each tooth 22 of the first ratchet tooth row.
Is the same as the tilt angle.

The side surface 58 of the pawl 28, including the teeth 32, is
It is focused on the opposite side 60 of the pawl 28 in the insertion direction 34 to facilitate removal of the tie 10 from the mold during injection molding. The contact surface 36 is likewise focused on the opposite side 60 of the pawl 28 in the insertion direction 34 to further facilitate removal of the tie 10 from the mold during injection molding.

The tie 10 according to the present invention is preferably
It is manufactured by injection molding a plastic material into the cavity forming the tying device 10.

In an alternative preferred embodiment, shown in FIG. 3, at least some of the respective fixings in the contact surface 38, the second row of ratchet teeth 24, the pawl teeth 28 and / or the second row of ratchet teeth 22. Faces 40 ', 44', 4
Adjacent to this is the notch 62, 64, 6
6, 68. These fixed surfaces 40 ', 44', 4
8 ', 52' do not extend into the notches 62, 64, 66, 68. The fixing surface is only the surface portion that contacts another surface for fixing the tongue 12 in the clamping head 18. The embodiment shown in FIG. 3 has the above-described notches 62, 6
Except for 4, 66 and 68, it is the same as the embodiment shown in FIGS.

In an alternative embodiment (not shown), (a) only one tooth is provided on the contact surface,
Then, this tooth is inclined at a certain angle in the insertion direction and meshed and fastened with the teeth of the second ratchet tooth row, and (b) less teeth than the whole of the second ratchet tooth row are in the opposite direction to the insertion direction. (C) Only one pawl tooth is provided, which is inclined at an angle to the tooth on the contact surface, and this tooth is inclined at an angle in the insertion direction to And / or (d) less teeth than the whole of the first ratchet tooth row is inclined at an angle in the opposite direction to the insertion direction and meshed with the pawl tooth portion. To be done.

In the binding tool in which the pawl side surface including the pawl tooth portion is converged to the opposite side of the pawl in the insertion direction, at least one pawl tooth portion is inclined at an angle in the insertion direction to form the first ratchet tooth row. The feature of being meshed with a tooth, and at least one tooth of the first ratchet tooth row being slanted at an angle in a direction opposite to the insertion direction and meshing with a pawl tooth is related to the applicant. It constitutes the subject of a co-pending patent application "Cable tie for obtaining a reinforced interlocking connection between the ratchet teeth of the tongue and the pawl".

The above-mentioned advantages need not all be applied to the embodiments of the present invention, and furthermore, the above-mentioned advantages of the present invention are merely illustrative, and therefore only these are the advantages of the present invention. Should not be understood.

While the above description contains many specifics, these should not be construed as limitations on the scope of the invention, but merely as exemplifications of preferred embodiments. Other variations are possible and the scope of the invention should be determined not by the embodiments described above, but by the claims and their legal equivalents.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view showing a preferred embodiment of a binding tool according to the present invention.

FIG. 2 is an enlarged cross-sectional view for explaining the fastening of ratchet teeth of the tongue portion with the contact surface teeth and the pawl tooth portion in the tightening head shown in FIG.

FIG. 3 is an enlarged cross-sectional view illustrating the fastening of ratchet teeth of the tongue portion with the contact surface teeth and the pawl tooth portion in the tightening head of the alternative embodiment according to the present invention.

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Jens Orley Sorensen British Cayman Islands, Grand Cayman, Cayman Kai, Water Cay (no address)

Claims (4)

[Claims] 1. Both ends and wide sides (14, 16)
An elongated tongue (12), a tightening head (18) on one end of the tongue, a tip (20) on the other end of the tongue,
A binding (1) comprising a first ratchet tooth row (22) extending on one wide side surface of the tongue portion and a second ratchet tooth row (24) extending on the other wide side surface of the tongue portion (24). 1
0), the clamping head having sides defining an opening (26) for receiving the tip of the tongue, the side being hinged on one side of said opening. Movable pawl (2
8) and the contact surface (36) across this opening from the pawl
The pawl includes, when the tip of the tongue is inserted into the opening with the first ratchet tooth row facing the pawl,
Having at least one pawl tooth (32) arranged for meshing engagement with a first ratchet toothing, the pawl having a tongue when the at least one pawl tooth is engaged as described above. A binding that allows the second ratchet tooth row to be pressed against the contact surface by being moved toward the contact surface in response to a pulling force applied in a direction opposite to the insertion direction (34) above. In the device, the contact surface comprises at least one tooth (38) having a fixed surface (40) extending at an angle inclined in said insertion direction towards the top (42) of the tooth, Thereby, the tooth is inserted into the opening with the tongue facing the second ratchet tooth row to the contact surface, and the side surface of the tongue portion including the second ratchet tooth row is pressed against the contact surface by the movement of the pawl. The second ratchet tooth row Tie, characterized in that the coupling engagement. 2. Both ends and wide sides (14, 16)
An elongated tongue (12), a tightening head (18) on one end of the tongue, a tip (20) on the other end of the tongue,
A binding (1) comprising a first ratchet tooth row (22) extending on one wide side surface of the tongue portion and a second ratchet tooth row (24) extending on the other wide side surface of the tongue portion (24). 1
0), the clamping head having sides defining an opening (26) for receiving the tip of the tongue, the side being hinged on one side of said opening. Movable pawl (2
8) and the contact surface (36) across this opening from the pawl
The pawl includes, when the tip of the tongue is inserted into the opening with the first ratchet tooth row facing the pawl,
Having at least one pawl tooth (32) arranged for meshing engagement with a first ratchet toothing, the pawl having a tongue when the at least one pawl tooth is engaged as described above. A binding that allows the second ratchet tooth row to be pressed against the contact surface by being moved toward the contact surface in response to a pulling force applied in a direction opposite to the insertion direction (34) above. In the appliance, the contact surface comprises at least one tooth (38), which tooth extends toward the top (42) of the tooth.
0), whereby the tooth is inserted into the opening with the tongue facing the second ratchet tooth row against the contact surface and the side of the tongue containing the second ratchet tooth row moves in the pawl. When pressed against the contact surface by the second ratchet tooth row, and at least one tooth (24) in the second ratchet tooth row has a top portion (46) of this tooth.
Has a fixed surface (44) extending at an angle inclined toward the opposite direction to the insertion direction, so that the tooth has the tongue with the second ratchet tooth row facing the contact surface. A binding tool, which is inserted into the opening and is meshed and fastened with the second ratchet tooth row when the side surface of the tongue portion including the second ratchet tooth row is pressed against the contact surface by the movement of the pawl. 3. The at least one tooth (3) of the contact surface.
The fixing surface (40) of 8) extends toward the top portion (42) of the tooth (38) at an angle inclined in the insertion direction, whereby the tooth is meshed and fastened with the second ratchet tooth row. The binding tool according to claim 2. 4. The at least one tooth (3) of the contact surface.
The tie according to claim 3, wherein the inclination angle of the fixing surface (40) of 8) is the same as the inclination angle of the fixing surface (44) of each of the at least one tooth (24) of the second ratchet tooth row.