Title:
ELECTRIC HAMMER CONSTRUCTION DEVICE HAVING FOLDABLE SHOULDER SUPPORT FRAME
Document Type and Number:
WIPO Patent Application WO/2019/104603
Kind Code:
A1
Abstract:
An electric hammer construction device having a foldable shoulder support frame, comprising a main housing (1), a drill bit (12), a main handle (4), an auxiliary handle (14) and a shoulder support frame (6); the main handle (4) is provided with a power supply button (5), and is provided with a controller (18) and a transformer (17) inside, the transformer (17) being electrically connected to a power supply line (2); the main housing (1) is provided with an electric motor (16), a power box (27), a reversing box (19), a clutch (22), a guide sleeve (26) and an impact hammer (25) inside; the main housing (1) has a front-end side surface provided with an infrared distance sensor, and a front side wall provided with a heat dissipation hole (10), a mode adjustment knob (3) being provided beside the heat dissipation hole (10); the main housing (1) has an upper surface provided with a display screen (20) and a state indicator lamp (28), a protective cover (21) being provided above the display screen (20); and the main housing (1) has a rear side wall provided with a fixing seat (29), the fixing seat (29) being provided with a main sleeve (9), a length adjustment nut (7) being provided above the tail of the main sleeve (9), the shoulder support frame (6) being provided inside the main sleeve (9). The electric hammer construction device has a shoulder support, such that a user can make use of the strength from the waist and the legs during the use of the electric hammer construction device, and therefore the electric hammer construction device is safer; meanwhile, the display screen can display data such as rotation speed, voltage and drilling depth, facilitating viewing.
Inventors:
HU QINGPING (CN)
Application Number:
PCT/CN2017/113829
Publication Date:
June 06, 2019
Filing Date:
November 30, 2017
Export Citation:
Assignee:
HUIZHOU ZHAOZHONG IND CO LTD (CN)
International Classes:
B25D11/04; B25D17/00; B25D17/04; B25D17/24
Foreign References:
| CN105058328A | 2015-11-18 | |||
| CN107363791A | 2017-11-21 | |||
| CN2858200Y | 2007-01-17 | |||
| DE10312139A1 | 2004-09-23 | |||
| DE102009046068A1 | 2011-05-12 | |||
| US5598892A | 1997-02-04 |
Attorney, Agent or Firm:
YOGO PATENT & TRADE MARK AGENCY LIMITED COMPANY (CN)
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