Hose reel unit and hose reel assembly comprising a hose reel unit

Patent metadata

Field	Value
Publication number	US-11708235-B2
Application number	US-202017073362-A
Country	US
Kind code	B2
Filing date	Oct 18, 2020
Priority date	Oct 24, 2019
Publication date	Jul 25, 2023
Grant date	Jul 25, 2023

Abstract

A hose reel unit for a high-pressure washer has a hose reel and a reel hose arranged in its receptacle. The hose reel is rotatable about an axis of rotation for winding and unwinding the reel hose. The first end of the reel hose is connectable to a supply line and the second end to a washer wand of the high-pressure washer. The hose reel has sidewalls delimiting the receptacle in a direction of the axis of rotation. The first end of the reel hose extends to the first sidewall and is coaxial to the axis of rotation. A guide device arranged between the sidewalls guides the reel hose such that the axis of rotation extends through the reel hose. The guide device is spaced apart form the first end of the reel hose at a support distance measured in a direction of the axis of rotation.

First claim

What is claimed is:

1. A hose reel unit for a high-pressure washer, the hose reel unit comprising:
a hose reel comprising a receptacle;
a reel hose disposed in the receptacle and comprising a first end configured to connect to a supply line of the high-pressure washer and further comprising a second end configured to connect to a washer wand of the high-pressure washer;
a guide device configured to guide the reel hose;
wherein the hose reel is configured to rotate about an axis of rotation for winding and unwinding the reel hose;
wherein the hose reel comprises a first sidewall and a second sidewall delimiting the receptacle in a direction of the axis of rotation;
wherein the first end of the reel hose extends from the receptacle of the hose reel to the first sidewall;
wherein the first end of the reel hose is arranged coaxially to the axis of rotation;
wherein the guide device is arranged between the first sidewall and the second sidewall and guides the reel hose such that the axis of rotation extends through the reel hose;
wherein the guide device is spaced apart from the first end of the reel hose at a support distance, the support distance measured in the direction of the axis of rotation;
wherein the guide device comprises an opening extending through the guide device in the direction of the axis of rotation, wherein the reel hose passes through the opening.

2. The hose reel unit according to claim 1 , wherein the first sidewall is spaced apart from the second sidewall at a sidewall distance, measured in the direction of the axis of rotation in an interior of the hose reel that is surrounded by the receptacle, wherein the support distance amounts to 20% to 80% of the sidewall distance.

3. The hose reel unit according to claim 2 , wherein the guide device is spaced apart from the first sidewall at a wall distance, measured in the direction of the axis of rotation, wherein the wall distance amounts to 20% to 80% of the sidewall distance.

4. The hose reel unit according to claim 1 , wherein the opening comprises at least partially a circular contour.

5. The hose reel unit according to claim 4 , wherein a center point of the circular contour is positioned on the axis of rotation.

6. The hose reel unit according to claim 4 , wherein a diameter of the circular contour corresponds to an outer diameter of the reel hose.

7. The hose reel unit according to claim 1 , wherein the guide device is embodied as an insertion component that is separate from the hose reel.

8. The hose reel unit according to claim 7 , wherein the insertion component is a plate.

9. The hose reel unit according to claim 1 , wherein the hose reel comprises two halves and the guide device is clamped between the two halves.

10. A hose reel unit for a high-pressure washer, the hose reel unit comprising:
a hose reel comprising a receptacle;
a reel hose disposed in the receptacle and comprising a first end configured to connect to a supply line of the high-pressure washer and further comprising a second end configured to connect to a washer wand of the high-pressure washer;
a guide device configured to guide the reel hose;
wherein the hose reel is configured to rotate about an axis of rotation for winding and unwinding the reel hose;
wherein the hose reel comprises a first sidewall and a second sidewall delimiting the receptacle in a direction of the axis of rotation;
wherein the first end of the reel hose extends from the receptacle of the hose reel to the first sidewall;
wherein the first end of the reel hose is arranged coaxially to the axis of rotation;
wherein the guide device is arranged between the first sidewall and the second sidewall and guides the reel hose such that the axis of rotation extends through the reel hose;
wherein the guide device is spaced apart from the first end of the reel hose at a support distance, the support distance measured in the direction of the axis of rotation;
wherein the guide device comprises an opening extending through the guide device in the direction of the axis of rotation, wherein the reel hose passes through the opening;
wherein the guide device comprises a slot extending from the opening to an outer rim of the guide device.

11. The hose reel unit according to claim 10 , wherein the slot tapers from the outer rim in a direction toward the axis of rotation.

12. The hose reel unit according to claim 10 , wherein a connecting location is provided between the opening and the slot, wherein the connecting location has an opening width, wherein the opening width is smaller than an outer diameter of the reel hose.

13. A hose reel assembly for a high-pressure washer, the hose reel assembly comprising:
a hose reel unit comprising:
a hose reel comprising a receptacle;
a reel hose disposed in the receptacle and comprising a first end and a second end;
a hose connector connecting the first end of the reel hose to a supply line of the high-pressure washer, wherein the second end of the reel hose is configured to connect to a washer wand of the high-pressure washer;
a guide device configured to guide the reel hose;

a first bearing support and a second bearing support of the high-pressure washer, wherein the hose reel is supported in the first bearing support and in the second bearing support so as to be rotatable about an axis of rotation for winding and unwinding the reel hose;
wherein the hose reel comprises a first sidewall and a second sidewall delimiting the receptacle in a direction of the axis of rotation;
wherein the first end of the reel hose extends from the receptacle of the hose reel to the first sidewall;
wherein the first end of the reel hose is arranged coaxially to the axis of rotation and is supported coaxially to the axis of rotation by a first one of the two bearings supports;
wherein the guide device is arranged between the first sidewall and the second sidewall and guides the reel hose such that the axis of rotation extends through the reel hose;
wherein the guide device is spaced apart form the first end of the reel hose at a support distance, the support distance measured in the direction of the axis of rotation;
wherein the guide device comprises an opening extending through the guide device in the direction of the axis of rotation, wherein the reel hose passes through the opening;
wherein the hose connector comprises a connecting socket connected to the first end of the reel hose and a bearing socket connected to the supply line of the high-pressure washer, wherein the bearing socket is secured fixedly at the first bearing support, and wherein the connecting socket is rotatable relative to the bearing socket about the axis of rotation.

14. The hose reel assembly according to claim 13 , wherein the hose connector is sealed by seals arranged between the bearing socket and the connecting socket.

15. The hose reel assembly according to claim 13 , wherein the hose connector is arranged in a housing of the first bearing support, wherein the housing comprises a service flap, and wherein the hose connector is accessible via the service flap from an exterior of the housing.

16. The hose reel assembly according to claim 15 , wherein the service flap is secured by a snap connection at the housing.

Assignees

• Stihl Ag & Co Kg Andreas

Inventors

• Tost Christopher
• Werner Philipp
• Baumhackl Yannik

Classifications

• B65H75/4402 Primary

  Guiding arrangements to control paying-out and re-storing of the material (guides per se B65H57/00) · CPC title

• B08B3/026

  Cleaning by making use of hand-held spray guns; Fluid preparations therefor · CPC title

• B65H75/403 Primary

  Carriage with wheels · CPC title

• B65H75/42

  attached to, or forming part of, mobile tools, machines or vehicles · CPC title

• B65H75/4457

  Arrangements of the frame or housing · CPC title