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EP0558101A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Vacuum cleaner

Assignee: Hitachi Ltd
•
Filing: 1990-09-28
•
Granted: —
•
Expires: 2010-09-28
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Abstract

Abstract A vacuum cleaner includes a cleaner body (1) to which an intake hose (11) is connectable, a traveling member for enabling the traveling of the cleaner body (1), and an obstacle-avoiding angularly-movable member (710, 800, 801, 900) angularly movably mounted on the cleaner body (1). A dust collector chamber (5) is formed in a front portion of the cleaner body (1), and an electrically-operated fan (32) is mounted in a rear portion of the cleaner body (1). The angularly-movable member (710, 800, 801, 900) is so arranged as to form part of the traveling member and has casters (55, 55a) mounted on a lower surface thereof. The angularly movable member is mounted in a shaft (720) on a front lower surface of the cleaner body (1) so as to be angularly movable around the shaft (720).

Inventors

  • 👤 Hidetoshi Sakurai
  • 👤 Gorou Sasai
  • 👤 Kouito Sagawa

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 11:19
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L9/00; A47L9/28; A47L9/2889; A47L5/36; A47L5/362; A47L9/009; A47L9/2805; A47L9/2821

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 122 words
A vacuum cleaner comprising a cleaner body (1) to which an intake hose (11) is connectable; a traveling member (55, 55a, 710, 800, 801, 900) for enabling the traveling of said cleaner body (1); and an obstacle-avoiding angularly-movable member angularly movably mounted on said cleaner body and having a portion projected outwardly from the outer periphery of said cleaner body, characterized in that said angularly-movable member is constituted by a swinging plate (710, 800, 801, 900) which constitutes part of said traveling member and has casters (55) mounted on a lower surface thereof, said angularly-movable member being mounted by a shaft (720) on a front lower surface of said cleaner body (1) so as to be angularly movable about said shaft (720).
Claim 2
Dependent Claim 38 words
A vacuum cleaner according to claim 1, characterized in that a resilient member (730) such as a spring is attached to said swinging plate (710, 800, 801, 900) to normally hold said swinging plate in its neutral position.
Claim 3
Dependent Claim 23 words
A vacuum cleaner according to claim 1 or 2, characterized in that a handle portion (902) is formed at said swinging plate (900).
Claim 4
Dependent Claim 46 words
A vacuum cleaner according to any of claims 1 to 3, characterized in that a lock mechanism (903) is provided at said handle portion (902), said lock mechanism stopping the angular movement of said swinging plate (900) when grasping said handle portion of said swinging plate.
Claim 5
Dependent Claim 80 words
A vacuum cleaner according to any of claims 1 to 4, characterized in that said intake hose (11) is disposed substantially on the centerline of the transverse width of said cleaner body (1) when viewed from the top of the cleaner body, said swinging plate (800, 801) being divided into two portions, which are symmetrically right and left with respect to said centerline, and casters (55) being mounted on each of said divided portions of said swinging plate (800, 801).

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