Patent ID: 11910961
Assignee: CUCKOO ELECTRONICS CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A

Claim 2:
3. The blade bundle of claim 2, wherein the housing (110) comprises:
a housing body (110A) having the upper through-hole (111a); and, a housing cover (110B) having the lower through-hole (111b) opposite the upper through-hole (111a),
wherein insertion holes (141a, 142a, and 143a) are formed at a center portion of each of the horizontal insertion gears (141, 142, and 143), respectively, and
wherein the blade bundle further comprises:
shaft pins (171, 172, and 173) fastened to the housing cover (110B) so as to be upright upward from the housing cover (110B), and inserted inside the insertion holes (141a, 142a, and 143a) of the horizontal insertion gears (141, 142, and 143), respectively; and
rotation holding members (151, 152, and 153) inserted between the shaft pins (171, 172, and 173) and an inner circumferential surface of each of the insertion holes (141a, 142a, and 143a) of the horizontal insertion gears (141, 142, and 143), respectively, and configured to allow the horizontal insertion gears (141, 142, and 143) to be rotated smoothly without being separated.