| (19) |
 |
|
(11) |
EP 1 882 525 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.08.2008 Bulletin 2008/33 |
| (43) |
Date of publication A2: |
|
30.01.2008 Bulletin 2008/05 |
| (22) |
Date of filing: 09.07.2007 |
|
| (51) |
International Patent Classification (IPC):
|
|
| (84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO
SE SI SK TR |
|
Designated Extension States: |
|
AL BA HR MK RS |
| (30) |
Priority: |
24.07.2006 CN 200610107905
03.02.2007 CN 200710019708
|
| (71) |
Applicant: Positec Power Tools (Suzhou) Co., Ltd. |
|
Suzhou 215006 (CN) |
|
| (72) |
Inventors: |
|
- Wang, Jiada,
c/o Positec Power Tools (Suzhou) Co Ltd
Suzhou 215006 (CN)
- Gu, Wenlai,
c/o Positec Power Tools (Suzhou) Co Ltd
Suzhou 215006 (CN)
- Lu, Qiang,
c/o Positec Power Tools (Suzhou) Co Ltd
Suzhou 215006 (CN)
- Borinato, Gianni
36015 Schio (VI) (IT)
|
| (74) |
Representative: Stuttard, Garry Philip |
|
Urquhart-Dykes & Lord LLP
Tower North Central
Merrion Way
Leeds LS2 8PA
Leeds LS2 8PA (GB) |
|
| |
|
(57) The present invention relates to a caulking gun apparatus comprising an elongate
housing (1) for holding a cartridge (6) in a dispensing position, a piston rod (2)
for engaging the cartridge for dispensing the caulking material and at least one driving
lever (3) in slideable engagement with the piston rod. The apparatus further comprises
a motor (4) means which is disposed within the elongate housing and coupled to a motor
shaft (4') and a transmission mechanism such that during rotation of the rotary motor
shaft, power is transmitted from the rotary motor to the piston rod. The apparatus
further comprises a mechanical mechanism (7) for operating the piston rod when the
rotary motor is disabled.