Ergonomic safety solution for orbital drills

Patent metadata

Field	Value
Publication number	US-10308266-B2
Application number	US-201815957389-A
Country	US
Kind code	B2
Filing date	Apr 19, 2018
Priority date	May 25, 2016
Publication date	Jun 4, 2019
Grant date	Jun 4, 2019

Abstract

A tool hand cart incorporates a body with a pair of wheels rotatably mounted on opposite sides of the body proximate a lower rear edge of the body. A collapsible handle is retractably extendable upward from the body. A pair of arms having vertically oriented channels extends from a front of the body and are arranged in spaced relation to define opposing first and second slots configured to receive side frame members of a drill. The handle is retractable to a first position enhancing insertion of the drill and extendible to a second position and the body is configured to tilt from an upright standing position to a canted position in which the body is supported by the pair of wheels and rolled by pulling the handle to thereby transport a drill positioned in the first and second slots.

First claim

What is claimed is:

1. A tool hand cart comprising:
a body;
a pair of wheels rotatably mounted on opposite sides of the body proximate a lower rear edge of the body;
a pair of arms having vertically oriented channels, said arms extending from a front of the body and arranged in spaced relation to define opposing first and second slots configured to receive side frame members of a drill;
a nose support extending from a bottom portion of the body, the nose support mounted for resilient reciprocation in a direction perpendicular to a base with at least one spring providing a biasing force to support a bottom frame member of the drill when the side frame members of the drill are received within the opposing first and second slots; and,
a collapsible handle, retractably extendable upward from the body, the handle retractable to a first position enhancing insertion of the drill and extendible to a second position and the body is configured to tilt from an upright standing position to a canted position in which the body is supported by the pair of wheels and rolled by pulling the handle to thereby transport the drill positioned in the first and second slots.

2. The tool hand cart of claim 1 further wherein the nose support has a substantially horizontal channel aligned with the vertically oriented channels to receive the bottom frame member of the drill.

3. The tool hand cart of claim 2 wherein the vertically oriented channels and horizontal channel are semicylindrical.

4. The tool hand cart of claim 1 further comprising a forward base extending from the body substantially flush with a bottom surface of the body and opposite from the wheels.

5. The tool hand cart of claim 4 wherein the base incorporates a trap door covering a relief in the base, said trap door retractable to expose the relief enabling handling and operation of the drill.

6. The tool hand cart of claim 5 further comprising an overcenter prevention tongue protruding from a rear surface of the body proximate the lower rear edge.

7. The tool hand cart of claim 6 wherein the overcenter prevention tongue is telescopcially extendible from the rear surface.

8. The tool hand cart of claim 7 wherein the trap door is integral with the overcenter prevention tongue and extension of the overcenter prevention tongue retracts the trap door.

9. The tool hand cart of claim 1 further comprising a toe relief in rear surface of the body upwardly spaced from the lower rear edge.

10. The tool hand cart of claim 1 further comprising a clip extending laterally from the handle for support of an umbilical extending from the drill.

11. A method for ergonomically moving an orbital drill comprising:
retracting a telescopically retractable handle into a body of a cart to a first position;
receiving a frame of an orbital drill vertically in slots in arms extending from the body of the cart;
receiving a nose portion of the orbital drill in a shroud mounted to a base with resilient members for reciprocal motion substantially perpendicular to the base to provide biasing support for a nose portion of the drill during loading;
resting the cart with stability on a base extending from a bottom surface of the cart;
extending the handle telescopically to a second position;
receiving toes of an operator in a toe relief for leverage; and,
canting the cart rearwardly on a pair of wheels mounted proximate a lower rear edge of the body for rolling transport of the orbital drill.

12. The method for ergonomically moving an orbital drill as defined in claim 11 further comprising receiving a bottom frame member in a horizontal channel in a nose support.

13. The method for ergonomically moving an orbital drill as defined in claim 11 further comprising extending an overcenter prevention tongue rearwardly from the body proximate a lower rear edge for added stability.

14. The method for ergonomically moving an orbital drill as defined in claim 13 further comprising inserting an umbilical extending from the orbital drill in a clip extending laterally from the handle for support.

15. The method for ergonomically moving an orbital drill as defined in claim 14 further comprising retracting the overcenter prevention tongue prior to canting the cart.

16. The method for ergonomically moving an orbital drill as defined in claim 11 further comprising:
tiling the cart forwardly to rest on the base upon reaching a desired location;
retracting the handle to the first position; and,
removing the orbital drill from the cart by vertically extracting the frame from the slots in the arms.

17. The method for ergonomically moving an orbital drill as defined in claim 16 further comprising extending an overcenter protection tongue.

18. The method for ergonomically moving an orbital drill as defined in claim 15 further comprising:
tiling the cart forwardly to rest on the base upon reaching a desired location; and
retracting a trap door exposing a relief in the base.

19. The method ergonomically moving an orbital drill as defined in claim 18 wherein the step of extending the overcenter prevention tongue retracts the trap door to open the relief in the base.

20. The method for ergonomically moving an orbital drill as defined in claim 18 further comprising compressing the nose support onto the resilient members lowering the orbital drill into the relief in the base.

Assignees

• Boeing Co

Inventors

• Cook Rebecca

Classifications

• B62B1/125 Primary

  by means of telescoping elements · CPC title

• B62B1/26

  characterised by supports specially adapted to objects of definite shape · CPC title

• B62B2203/60

  Positioning, means on a cart for loads · CPC title

• B62B5/067

  Stowable or retractable handle bars · CPC title

• B62B1/14

  involving means for grappling or securing in place objects to be carried; Loading or unloading equipment · CPC title