Granted Patent B2

US 7,106,205 · App. 10/944,469 · Granted Sep 12, 2006

Abstract

Claims (49)

1. An alarm device for use with fall protection equipment, comprising:

a) an elongating member having a first end and a second end, the elongating member extending in length as the first end and the second end are pulled in different directions;

b) an alarm operatively connected to the first end of the elongating member;

c) an activation member releasably connected to the alarm, the activation member activating the alarm when disconnected from the alarm; and

d) a connecting member interconnecting the activation member and the second end of the elongating member, the activation member becoming disconnected from the alarm when the elongating member is extended in length as the first end and the second end are pulled in different directions thereby activating the alarm when the elongating member is extended.

2. The alarm device of claim 1 , wherein the elongating member is a component of a load limiting device.

3. The alarm device of claim 1 , wherein the elongating member is a component of a shock absorbing device.

4. The alarm device of claim 1 , wherein the elongating member includes a first portion and a second portion releasably connected to one another, the first portion and the second portion separating to extend the elongating member in length as the first end and the second end are pulled in different directions.

5. The alarm device of claim 4 , wherein the first portion and the second portion completely separate when the first end and the second end are pulled in different directions a distance greater than twice the length of the elongating member.

6. The alarm device of claim 4 , wherein the first portion and the second portion remain connected when the first end and the second end are pulled in different directions a distance less than to substantially equal to twice the length of the elongating member.

7. The alarm device of claim 4 , wherein the elongating member is made of webbing.

8. The alarm device of claim 7 , wherein the webbing of the first portion and the second portion are interwoven, the first portion and the second portion tearing apart from one another and separating as the first end and the second end are pulled in different directions.

9. An alarm device for use with a load limiting device, comprising:

a) an elongating member having a first end, a second end, and an interconnected portion interconnecting the first end and the second end, the interconnected portion being formed by a first portion and a second portion releasably connected to one another, the elongating member extending in length as the first end and the second end are pulled in different directions and the first portion and the second portion separating from one another as the first end and the second end are pulled in different directions, the first portion and the second portion completely separating when the first end and the second end are pulled in different directions a distance greater than twice the length of the interconnected portion;

b) an alarm operatively connected to the first end of the elongating member;

c) an activation member releasably connected to the alarm, the activation member activating the alarm when disconnected from the alarm; and

d) a connecting member interconnecting the activation member and the second end of the elongating member, the activation member becoming disconnected from the alarm when the elongating member is extended in length as the first end and the second end are pulled in different directions thereby activating the alarm when the elongating member is extended.

10. The alarm device of claim 9 , wherein the elongating member is made of webbing and the first portion and the second portion are interwoven and tear apart and separate as the first end and the second end are pulled in different directions.

11. An alarm device for use with a shock absorbing device to arrest a worker's fall, comprising:

a) an elongating member having a first end, a second end, and an interconnected portion interconnecting the first end and the second end, the interconnected portion being formed by a first portion and a second portion releasably connected to one another, the first portion and the second portion being operatively connected to one another proximate a terminal end of the interconnected portion, the elongating member extending in length as the first end and the second end are pulled in different directions and the first portion and the second portion separating from one another as the first end and the second end are pulled in different directions, the first portion and the second portion remaining connected proximate the terminal end when the first end and the second end are pulled in different directions a distance less than to substantially equal to twice the length of the interconnected portion thereby arresting the worker's fall;

b) an alarm operatively connected to the first end of the elongating member;

c) an activation member releasably connected to the alarm, the activation member activating the alarm when disconnected from the alarm; and

d) a connecting member interconnecting the activation member and the second end of the elongating member, the activation member becoming disconnected from the alarm when the elongating member is extended in length as the first end and the second end are pulled in different directions thereby activating the alarm when the elongating member is extended.

12. The alarm device of claim 11 , wherein the elongating member is made of webbing and the first portion and the second portion are interwoven and tear apart and separate as the first end and the second end are pulled in different directions.

13. A method of providing indication that a worker has been caught on an obstruction while being moved with a mechanical device, comprising:

a) providing an indicator having an activation member and a connecting member, the activation member being releasably connected to the indicator, the connecting member being operatively connected to the activation member, the activation member providing indication upon disconnection from the indicator;

b) providing an elongating member having a first end and a second end;

c) connecting the indicator to the first end;

d) connecting the connecting member to the second end thereby releasably interconnecting the first end and the second end of the elongating member with the indicator; and

e) interconnecting the worker and the mechanical device with the elongating member, the activation member becoming disconnected from the indicator as the first end and the second end are pulled in different directions should the worker become caught on an obstruction thereby providing indication that the worker has been caught.

14. The method of claim 13 , the indicator being an audio alarm.

15. The method of claim 13 , the indicator being an illuminated light.

16. The method of claim 13 , further comprising:

a) providing an intermediate portion interconnecting the first end and the second end, the intermediate portion having two portions that separate as the first end and the second end are pulled in different directions thereby increasing the length of the elongating member;

b) allowing the two portions of the intermediate portion to become completely separated; and

c) providing a back-up fall arrest system.

17. A method of providing indication that a worker has been caught on an obstruction, comprising:

a) interconnecting a worker and a mechanical device with a cable;

b) moving the worker by the cable with the mechanical device;

c) providing an elongating member that increases the length of the cable when the worker has been caught on an obstruction and the mechanical device continues to move the cable;

d) providing indication when the elongating member begins to lengthen thereby indicating that the worker has been caught on the obstruction; and

e) allowing an operator of the mechanical device time to stop movement of the mechanical device upon indication that the worker has been caught on the obstruction.

18. The method of claim 17 , further comprising providing a back-up fall arrest system for the worker should at least a portion of the elongating member become disconnected from the cable.

19. A method of providing indication that a worker has fallen, comprising:

a) providing an indicator having an activation member and a connecting member, the activation member being releasably connected to the indicator, the connecting member being operatively connected to the activation member, the activation member providing indication upon disconnection from the indicator;

b) providing a shock absorbing device having a first end and a second end;

c) connecting the indicator to the first end;

d) connecting the connecting member to the second end thereby releasably interconnecting the first end and the second end of the shock absorbing device with the indicator; and

e) interconnecting a worker and a support structure with the shock absorbing device, the activation member becoming disconnected from the indicator as the first end and the second end are pulled in different directions should the worker become subjected to the force of a fall.

Assignments (12)