A signal tube connector which can be used with a number of signal tubes which includes a detonator receiving body and a retention member, wherein a signal tube locating space is formed between opposing surfaces of the body and the member and wherein the retention member is movable relative to the bo
A signal tube connector which can be used with a number of signal tubes which includes a detonator receiving body and a retention member, wherein a signal tube locating space is formed between opposing surfaces of the body and the member and wherein the retention member is movable relative to the body and can be locked in place with a locking mechanism to retain signal tubes within the space.
대표청구항▼
1. A signal tube connector (10) which includes a detonator-receiving body (12) with a longitudinal axis (14) and at least one retention member (40, 42), the detonator-receiving body (12) and the retention member (40, 42) including respective surfaces which oppose each other and which form, between t
1. A signal tube connector (10) which includes a detonator-receiving body (12) with a longitudinal axis (14) and at least one retention member (40, 42), the detonator-receiving body (12) and the retention member (40, 42) including respective surfaces which oppose each other and which form, between the surfaces, a signal tube locating space (60), the retention member (40, 42) being movable relative to the detonator-receiving body (12) to vary the position of one of the opposing surfaces relative to the other opposing surface, and at least one locking mechanism (50, 52) which is operable to prevent movement of the retention member (40, 42) relative to the detonator receiving body (12), characterised in that the retention member (40, 42) in cross-section parallel to the longitudinal axis (14) has a dished shape with a curved section (54) which extends towards an opposing surface (56) of the detonator-receiving body (12), a central region of the curved section (54) being closest to the longitudinal axis (14) and adjacent regions of the curved section (54) moving away from the longitudinal axis (14). 2. A connector according to claim 1 wherein the detonator-receiving body (12) includes a formation (18) for receiving the detonator. 3. A connector according to claim 1 wherein the retention member (40, 42) is pivotally movable relative to the detonator-receiving body (12). 4. A connector according to claim 3 wherein the retention member (40, 42) is pivotally movable about a pivot axis (46) which is parallel to, and spaced from, a longitudinal axis of the detonator-receiving body. 5. A connector according to claim 1 wherein the locking mechanism (50, 52) comprises complementary interengageable formations (50, 52) which are provided on the retention member (40, 42) and on the detonator-receiving body; on the retention member (40,42) and on a second retention member (40, 42); or on the retention member (40, 42) and material between the detonator-receiving body and a second retention member (40, 42). 6. A connector according to claim 1 wherein the surface of the retention member (40, 42), which opposes the surface of the detonator-receiving body (12), in cross-section transverse to the longitudinal axis (14) of the detonator-receiving body (12), is semi-cylindrical. 7. A connector according to claim 1 wherein the surface of the retention member (40, 42), is curved, in cross-section parallel to the longitudinal axis (14) of the detonator-receiving body (12). 8. A connector according to claim 1 wherein the signal tube locating space (60), in cross-section transverse to the longitudinal axis (14) of the body, is in the form of a semi-cylindrical slot. 9. A connector according to claim 1 wherein the signal tube locating space (60) has a varying width dimension so that one or more locations are created at which increased pressure is applied to a signal tube positioned inside the signal tube locating space (60). 10. A connector according to claim 1 which includes two of the retention members (40, 42) which are respectively positioned, relative to the detonator-receiving body (12), diametrically opposing each other. 11. The signal tube connector (10) according to claim 1, the connector 10 further including an elongate passage (18) in the body (12) which has an open mouth (20), an opposing end (2) and detonator-engagement structure (24) at the mouth (20), wherein the at least one retention member (40, 42) is adjacent the opposing end and is pivotally movable relative to the body (12) about an axis (46) which is spaced from the longitudinal axis (14), wherein the locking mechanism (50, 52) secures the retention member (40, 42) in an operative position to the body (12) thereby preventing said relative pivotal movement with the retention member (40, 42) in the operative position. 12. The signal tube connector (10) according to claim 1, further characterized in that a surface of the retention member (40, 42) opposes a surface of the body (12) thereby forming a signal tube locating space (60) between the opposing surfaces of the retention member (40, 42) and the body (12), said surface of the retention member (40, 42) in cross-section transverse to the longitudinal axis (14) of the body (12) is roughly semi-cylindrical and the signal tube locating space (60) in cross-section transverse to the longitudinal axis (14) of the body is roughly in the form of a semi-cylindrical slot.
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이 특허에 인용된 특허 (8)
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